Legislator Case Law & Legislation
216.310 VEMOMEFRMU CH-TI

Official Surveying Regulation (OSR) (VEM)

72 Articles / Provisions · Switzerland · Canton of Ticino
Open official source Machine-readable Markdown (.md)

Table of Provisions (72)

Art. 1 RMU Art. 1a RMU Art. 2 Official Surveying Regulations (OSR) Art. 2a RMU Art. 3 OMO Art. 4 Official Surveying Regulations (RMU) Art. 5 Official Measurement Regulations (OMR) Art. 6 Official Surveying Regulation (OSR) Art. 7 RMU Art. 8 RMU Art. 9 Official Measurement Regulation (OMR) Art. 10 RMU Art. 11 Official Surveying Ordinance (OSO) Art. 12 OMM Art. 13 FMS Art. 14 Official Surveying Regulation (OSR) Art. 15 OMR Art. 16 OMR Art. 17 Official Surveying Regulation (OSR) Art. 18 OSO Art. 19 Official Surveying Ordinance (OSO) Art. 20 OSR Art. 21 OLM Art. 22 OMR Art. 23 RMU Art. 24 OLR Art. 25 Official Surveying Ordinance (OSO) Art. 26 OMR Art. 27 OLR Art. 28 Official Measurement Regulation (OMR) Art. 29 Official Surveying Ordinance (RMU) Art. 30 RMU Art. 31 Official Surveying Ordinance (RMU) Art. 32 OSR Art. 33 Official Surveying Regulation (OSR) Art. 34 OMU Art. 35 OMR Art. 36 OMR Art. 37 RMU Art. 38 OSR Art. 39 OMU Art. 40 RMU Art. 41 Official Surveying Ordinance (OSO) Art. 42 Official Measurement Ordinance (OMO) Art. 43 Official Surveying Ordinance (RMU) Art. 44 Official Surveying Regulation (RMU) Art. 45 RMU Art. 47 Official Surveying Ordinance (RMU) Art. 48 Official Surveying Ordinance (OSO) Art. 49 OMRE Art. 50 Official Surveying Ordinance (OSO) Art. 58 RMU Art. 58a Official Measurement Ordinance (OMO) Art. 59 Official Surveying Regulation (OSR) Art. 60 Official Surveying Regulations (RMU) Art. 61 RMU Art. 62 Official Surveying Ordinance (OSO) Art. 63 RMU Art. 64 RMU Art. 65 Official Surveying Regulation (RMU) Art. 66 RMU Art. 67 OMO Art. 68 RMU Art. 69 RMU Art. 70 Official Surveying Ordinance (OSO) Art. 71 OSR Art. 72 OMSS Art. 73 RMU Official Surveying Regulations (OSR) Art. 74 RMU Art. 75 Official Surveying Ordinance (RMU) Art. 76 Official Surveying Ordinance (RMU) Art. 77 Official Surveying Regulations (OSR)

Statutory Text (72 Articles)

RMU

[2] 1 The cadastral plan may contain, in addition to the data listed in Article 7 of the Ordinance on Official Surveying of 18 November 1992 (OMU), at the request of the owner, the boundaries of servitudes, provided that a clear planimetric definition is possible.

2 The inclusion of servitude boundaries in the official survey, as well as their modification or deletion, are subject to prior entry in the land register's main ledger. In case of divergence between the official survey and the land register, the entries in the land register are presumed to be accurate.

Surveying Districts (Art. 3 LMU)

[2] Art. amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

RMU

[3] A section is to be understood as a measurement area which, for technical and organizational reasons, is subdivided according to an internal demarcation within the municipal district.

[3] Art. introduced by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

RMU

[4] The procedure for determining and harmonizing street names is regulated by instructions issued by the Cadastre and Land Reorganization Office (hereinafter the Office).

Authorities designated by the Council of State (Art. 7 LMU)

[4] Art. amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88; previous amendment: BU 2014, 517.

RMU

[5] 1 The Department authorized to sign the multi-year program agreement with the Confederation is the Department of Finance and Economy (hereinafter the Department).

2 The competent authority to approve the data of the official survey and the extracts prepared on their basis, namely the plan for the land register, is the Division of Economy (hereinafter the Division). [6]

3 The supervisory service for official surveys and the service responsible for all the data of the original and authoritative official survey are assigned to the Office.

4 The Office is competent to sign the annual performance agreement with the Confederation.

5 The Section for Local Authorities is the service responsible for submitting to the Federal Office of Topography the changes to the names of municipalities within the meaning of Articles 13 and 15 of the Ordinance on Geographical Names of 21 May 2008 (ONGeo).

Surveying engineer registered in the register of surveyors (Art. 9 LMU)

[5] Art. introduced by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

[6] Para. amended by R 17.4.2019; in force since 19.4.2019 - BU 2019, 144.

RMU

[7] 1 With the approval of the initial survey, the cadastral renewal, adjustments of national interest, and the periodic and permanent maintenance, the surveying engineer transmits the updated official survey data to the Office, according to the current geodata model.

2 The periodicity and modalities for updating the data are established by the Office.

3 The authentication of documents by the surveying engineer may take place electronically.

[7] Art. modified by R 25.2.2026; in force from 1.1.2026 - BU 2026, 88; previous modification: BU 2014, 517.

RMU

1 The Measurement Commission shall appoint a president and a secretary from among its members.

2 It shall establish its own rules of procedure.

3 The Office shall provide the necessary information to members and substitutes.

b) competencies (Art. 11 LMU)

RMU

1 Upon the final judgment of the decisions issued by the Commission, the latter shall deliver all documentation to the Office for filing.

2 The Office shall diligently preserve the records and their respective annexes in a secure place.

3 The Commission shall notify the Office and the land surveyor of

a) decisions challenged before the civil court as soon as it receives communication thereof from the latter;

b) the absence of actions brought before the civil court within the terms prescribed by law. [8]

4 The Office shall immediately submit an application for mention in the land register of actions brought before the civil court, notifying the land surveyor for their duties. [9]

5 The Office is responsible for collecting court fees set in the Commission's decisions. [10]

c) indemnities (Art. 12 LMU)

[8] Sub-paragraph amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

[9] Sub-paragraph amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

[10] Sub-paragraph introduced by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

RMU

1 For sittings, on-site inspections, and the preparation of reports or decisions, the allowances recognized for the President, Members, and Substitutes are as follows

a) CHF 225.–, for half a day (at least 3 hours)

b) CHF 450.–, for a full day (at least 6 hours).

2 In addition, actual office and postage expenses are recognized, as well as the following transcription costs

a) CHF 2.– for the first page;

b) CHF 4.– (per page) for subsequent pages;

c) CHF 0.50 (per page) for photocopies. [11]

3 The allowances are paid by the Office.

Nomenclature Commission (Art. 14 LMU)

[11] Para. amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88; previous amendment: BU 2008, 235.

RMU

[12] 1 The competent services to which the Commission communicates the results of the linguistic correctness verification of geographical names are

a) the Local Authorities Section, for the names of municipalities;

b) the Office, for other geographical names.

2 The instructions on linguistic correctness issued by the Commission are communicated to civil engineers and municipalities through the Office. [13]

[12] Art. amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

[13] Para. amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

RMU

… [15]

[15] Art. repealed by R 25.2.2026; in force from 1.1.2026 - BU 2026, 88; previous amendments: BU 2014, 517; BU 2016, 328.

RMU

[17] The surveyor engineer acting as contractor, in agreement with the municipality, informs the affected owners whose address is known about the commencement, scope, and duration of the general official surveying works.

Application for authorization (Art. 18a LMU) [18]

[17] Art. amended by R 25.2.2026; in force since 1.1.2026 – BU 2026, 88; previous amendment: BU 2014, 517.

[18] Marginal note amended by R 10.12.2014; in force since 1.11.2014 – BU 2014, 517.

RMU

[19] **1 The deadlines for submitting the application for authorization are as follows:**

a) 30 days for federally and cantonal competent measuring points (fixed points) mentioned in the land register; [20]

b) 15 days for other measuring points.

**2 For federally and cantonal competent measuring points, the reviewing cadastral surveyor is obliged to submit the application to the Office in a timely manner.**

**3 The application shall, as a rule, be submitted in written form.**

[19] Art. modified by D 10.12.2014; in force since 1.11.2014 - BO 2014, 517.

[20] Let. modified by D 25.2.2026; in force since 1.1.2026 - BO 2026, 88.

RMU

Other suitable documents for ascertaining boundaries are photos, orthophotos, digital terrain models, cadastral map plans, old descriptive registers of properties, chorographic plans, and mutation plans.

b) in the case of boundaries of real estate and of rights existing independently and permanently (Art. 21 LMU)

RMU

1 In cases of ascertainment in the presence of owners or their representatives that result in a dispute, the assigned engineer surveyor shall endeavour to obtain an amicable settlement between the owners and, should he fail to obtain an agreement, he shall provisionally resolve the dispute for the purposes of ascertainment according to the de facto situation. [21]

2 In cases of dispute regarding the right of ownership of real estate and of independent and permanent rights, these shall be provisionally attributed to the disputing parties as if they had common ownership thereof.

3 Ascertainment may take place in the absence of the owners or their representatives when the absence is arbitrary or when the ascertainment takes place on the basis of a provisional measurement or an approved updated cadastral map. The owner always retains the right to assert their rights during publication.

[21] Paragraph amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

RMU

1 The relevant provisions of the Ordinance concerning the Land Register Act are applicable.

2 For original condominium properties and pre-existing projection rights, special plans must be drawn up according to the instructions of the Office. [22]

[22] Para. amended by O 25.2.2026; in force since 1.1.2026 - LO 2026, 88.

RMU

1 Watercourses, as defined by public domain legislation, are considered part of the land cover or individual objects. [23]

2 The following constitute a parcel of land: [24]

a) natural watercourses, when their width exceeds one meter in tolerance zone 2, two meters in tolerance zone 3, five meters in tolerance zone 4, and ten meters in tolerance zone 5. The minimum width refers to the maximum displacement of water during ordinary floods, as per Article 4 of the Public Domain Act;

b) regulated or corrected watercourses, including embankment works;

c) watercourses defined as parcels of land in land groupings carried out before the entry into force of these regulations.

3 For all other matters, the provisions of public domain legislation shall apply.

e) in the case of municipal territorial boundaries (Art. 23 LMU)

[23] Para. amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

[24] Introductory sentence amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

RMU

[25] 1 The verification operations are recorded in a specific report signed by the delegate of the municipalities concerned and by the surveyor undertaking the work.

2 The verification file includes the verification report, the plan with the description of the course of the verified boundary, photographic documentation, and an excerpt of the decision of the communal legislative bodies together with the relevant messages; it must be transmitted by the surveyor undertaking the work to the Office.

3 In case of dispute, the surveyor transmits the verification project to the Surveying Commission via the Office.

4 The complete file is archived at the Office.

[25] Art. amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

RMU

For a small territory, an area not exceeding 50,000 sqm is to be understood.

b) in case of dispute (art. 25 LMU)

RMU

In case of dispute, the municipalities concerned shall transmit the complete file to the Surveying Commission within three months of the decision of their respective legislative bodies, notifying the Office.

Ascertainment and Rectification of Cantonal Territorial Boundaries (Art. 26 LMU)

RMU

1 In cases where the communal territorial boundary is simultaneously a cantonal territorial boundary, the provisions applicable to the ascertainment and rectification of communal territorial boundaries shall apply by analogy, with the addition of ratification by the Council of State.

2 In cases of rectification, the ratification by the Council of State occurs through the conclusion of an intercantonal treaty.

3 In cases where the communal territorial boundary is simultaneously a national territorial boundary, the Council of State, upon request from one or more municipalities or ex officio, and after hearing the concerned municipalities, shall forward to the Confederation the request to conclude an international Convention with Italy. The relevant provisions of international law shall be applicable.

Waiver of the placement of boundary markers (Art. 27 LMU)

RMU

1 The Canton waives the placement of boundary markers where they are constantly threatened by agricultural activity, in land regularly submerged by water, in marshland, in land subject to collapse (sudden landslides) or soil flow, and in land where loose material prevents demarcation.

2 As a rule, in mountain regions according to the production cadastre of the Federal Office for Agriculture, the placement of boundary markers is waived in land within forest zones and in uncultivated land within the agricultural zone.

3 Exceptions to the waiver of boundary marker placement are permitted in the following cases

a) land that has been subject to a land consolidation procedure;

b) forests of patrician ownership, limited to main points, according to the criteria indicated in the tender contract;

c) land around buildings included in the inventory of buildings located outside building zones, up to a distance of 50 m from them; [26]

d) land in permanent movement zones within the meaning of Article 660a CC; [27]

e) at the request of the owner, provided that they bear the related costs.

Characteristics of boundary markers and methods for carrying out demarcation (Art. 28 LMU)

[26] Letter modified by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

[27] Letter modified by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

RMU

The Office issues directives on the characteristics of termination marks and the methods of carrying out termination.

Protocol for Partial Rearrangements, Exchanges, and Rectifications (Art. 29 LMU)

RMU

1 The protocol contains

a) name, surname, qualification, and domicile of the drafter;

b) date and place of drafting;

c) name, surname, date of birth, marital status, affiliation, and domicile of the owners;

d) designation of the properties involved;

e) nature of the transaction;

f) signature of the owners and of the surveying engineer on each page of the protocol; [28]

g) signature of the spouse if parts or shares of the property constitute the family home (Art. 169 CC).

2 Corrections to the protocol through marginal notes or striking out of erroneous parts are considered valid only if countersigned by the parties, in accordance with the principles of notary law.

3 The pages of the protocol are numbered and the protocols are listed in a register.

4 Before proposing partial reorderings, exchanges, and rectifications, the surveying engineer is required to request from the Land Registry Supervisory Authority a list of the real estate pledge rights encumbering the properties concerned. In the presence of real estate pledge rights, the written consent of the creditors is also required where their interests are affected. [29]

5 The transfer of pledge rights occurs in accordance with the provisions of Article 802 CC and Article 42 of the cantonal regulation concerning the law on the land registry.

Ex Officio Procedure (Art. 30 LMU)

[28] Subpar. amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

[29] Para. amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

RMU

1 The ex officio procedure takes place in the presence of irrational boundaries or in the presence of multiple parcels belonging to the same owner, and provided that the operation, in both cases, leads to an overall reduction in costs.

2 The protocol contains

a) name, surname, title, and domicile of the author;

b) name, surname, date of birth, and domicile of the owner; if the date of birth and domicile are unknown, a search in the municipal registers must be performed by the municipal clerk's office;

c) date and place of drafting;

d) designation of the properties involved;

e) nature of the operation;

f) signature of the cadastral engineer. [30]

3 An indicative plan of the mutation, dated and signed by the cadastral engineer, is attached to the protocol. [31]

4 The pages of the protocol are numbered, and the protocols are listed in an index.

5 The protocol is sent to the parties together with the notice of public deposit. [32]

Sketches of termination and verification (Art. 33 LMU)

[30] Subparagraph amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

[31] Paragraph amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

[32] Paragraph amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

RMU

1 Termination sketches must contain

a) the representation of the parcels with their numbers based on existing measurements;

b) the symbol defining the type of termination mark;

c) boundary modifications carried out on the basis of Articles 29 and 30 of the LMU;

d) the legend summarizing the symbols concerning termination marks;

e) the title "termination sketch" with its number and an indication of the municipality, the date of the last update, the name of the cadastral surveyor, the scale, and the indication of north. [33]

2 The Office issues directives on the content of the technical report.

[33] Sub-paragraph amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

RMU

[35] 1 Publication by the municipality concerned occurs in cases where the demarcation, the initial survey, the renewal of the official survey, and the correction of discrepancies have been carried out in accordance with Article 14a OMU, if the rights of landowners are affected.

2 The authorisation for public deposit issued by the Office is subject to the following conditions

a) submission of the documents relating to the demarcation, the initial survey, the renewal of the official survey, and the correction of discrepancies by the cadastral surveyor;

b) verification and preparation of the relevant report;

c) execution of any corrections or additions requested in the verification report;

d) certification of the completed corrections or additions by the cadastral surveyor;

e) final check by the Office.

3 Publication of the public deposit notice takes place in the Official Gazette and on the municipal notice board. [36]

4 Publication of the documents in electronic form takes place online, according to instructions issued by the Office. If necessary, the municipality shall provide those who wish to consult them with the necessary tools. [37]

Objections (Art. 36 LMU)

[35] Art. amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

[36] Para. amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

[37] Para. amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

RMU

[38] 1 Objections must be submitted to the municipal clerk's office of the municipality concerned within the deadlines established in the public deposit notice.

2 The municipal clerk's office records and lists the objections submitted.

3 Within 30 days of the expiry of the public display period, the municipal clerk's office shall deliver any objections, together with the relevant documentation and confirmation of having informed the owners by post, to the Office. [39]

4 The Office takes note of the end of the public deposit procedure and promptly delivers the complete file relating to the objections to the Surveying Commission.

5 Discrepancies as per Article 36 paragraph 2 LMU must be reported, in writing, directly to the commissioned land surveyor within 15 days of the expiry of the public display period.

6 If necessary, the land surveyor shall make the necessary corrections to the documents and prepare a mutation protocol which shall be kept with the survey records. A copy thereof shall be sent to the affected owner.

7 A written response from the land surveyor shall be provided in any case.

[38] Art. amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

[39] Para. amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

RMU

[41] 1 The Office annually prepares and updates the implementation plan.

2 The Office sets the execution date for individual measurements after submitting to the municipalities of the affected communes an estimate of the foreseeable costs to be borne by them and the anticipated period for execution. Within 30 days, the municipalities send their observations to the Office.

[41] Art. amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

RMU

… [42]

Award procedures for works and works contract (Art. 39 LMU)

[42] Art. repealed by R 25.2.2026; in force from 1.1.2026 - BU 2026, 88.

RMU

1 The Office is competent for tender procedures for works in accordance with the Intercantonal Agreement on Public Procurement, respectively the Public Procurement Act.

2 The award of works and the conclusion of the works contract, respectively the interruption, repetition, and renewal of tender procedures, are carried out by the Office for amounts below CHF 150,000.- (excluding VAT), while they are carried out by the Division for higher amounts. [43]

3 The general contractual conditions are established by the Office.

[43] Para. amended by R of 17.4.2019; in force since 19.4.2019 - BU 2019, 144.

RMU

[45] The execution of works for the determination of fixed planimetric points of category 2 may be entrusted to external geometer engineers in the case of works combined with the determination of fixed planimetric points of category 3.

Verification (Art. 43 LMU)

[45] Art. amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

RMU

[46] The Office issues directives on the submission for technical verification of official measurements.

Update of Land Register data (Art. 44 LMU)

[46] Art. amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

RMU

[47] The documents to be submitted are the description of the real estate properties and a copy of the plans for the land register in case of an initial survey.

[47] Art. amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

RMU

… [48]

[48] Art. repealed by R 25.2.2026; effective from 1.1.2026 - BU 2026, 88; previous amendment: BU 2014, 517.

RMU

… [49]

[49] Art. repealed by R 25.2.2026; in force from 1.1.2026 - BU 2026, 88.

RMU

[50] The complete (block) replacement of provisional digitizations is included in the multi-year program agreement.

b) progressively (Art. 47 LMU)

[50] Art. amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

RMU

The Office issues directives for the progressive replacement of provisional digitizations.

RMU

1 The contract is prepared by the Office on the basis of a standard contract.

2 The serious grounds for revocation of the appointment are defined in Article 337 paragraph 2 CO.

3 In the event of revocation of the appointment, the municipality designates an interim cadastral surveyor-auditor pending the appointment of the new cadastral surveyor-auditor. The replaced cadastral surveyor-auditor shall not be entitled to any compensation. [53]

4 In the event of early termination of the contract, the Office proceeds with the publication of the call for applications for the appointment of the new cadastral surveyor-auditor. The related contract is concluded until the end of the current four-year period. [54]

Appointment procedure, duties and rights of the cadastral surveyor-auditor (Art. 49 LMU) [55]

[53] Para. amended by R 10.12.2014; in force since 1.11.2014 - BO 2014, 517.

[54] Para. amended by R 10.12.2014; in force since 1.11.2014 - BO 2014, 517.

[55] Marginal note amended by R 10.12.2014; in force since 1.11.2014 - BO 2014, 517.

RMU

[56] 1 The call for applications is published simultaneously by the Office for all municipalities of the Canton, with the exception of those where the renewal of the appointment occurs tacitly, and requires as prerequisites knowledge of spoken and written Italian and the operational headquarters of the office in the Canton.

2 The Office examines the suitability of the candidates and communicates a preliminary opinion on the appointment to the municipal council.

3 The municipal council appoints the reviewing cadastral engineer.

4 The rights and duties of the reviewing cadastral engineer are set out in the contract; they may also practice privately as a freelance professional within the limits allowed by their primary activity as a reviewing cadastral engineer.

Ratification and verification by the Office (Art. 50 LMU)

[56] Art. amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

RMU

1 The serious grounds for revoking ratification are defined in Article 337, paragraph 2 CO.

2 The technical audit aims to regularly control the quality of the update work, while the financial audit aims to annually control the quality of the accounting and administrative work.

3 The technical audit extends to controlling all components of the MU, while the financial audit extends to controlling the correct application of current tariffs and legal bases on financing, the calculation of the total cost and its distribution among owners, the municipality, the Canton and the Confederation, and the formal quality of the required administrative documents.

4 The audit is performed by sampling.

5 For the audit, the surveying engineer makes available to the Office every requested element of the measurement and provides the explanations requested. [57]

Communication system (Art. 51 LMU)

[57] Para. amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

RMU

[58] 1 The authorities referred to in Article 51 paragraph 2 LMU are

a) the municipal councils for every object subject to an authorization procedure, for communal roads and for building addresses;

b) the land registry offices for property mutations and for easements to be represented on the land register plan;

c) the Section for Local Authorities with regard to municipal amalgamations;

d) the Forestry Section for changes to the forest boundary, new forest roads, avalanche prevention measures, reforestation, clearings, and for decisions concerning permanent ground movement zones;

e) the Construction Division for changes to public domain watercourses and for the construction of cantonal roads;

f) the Federal Administration concerning

– railways, cable cars and funiculars;

– national roads;

– military and civil protection facilities;

– high-voltage lines and pipelines subject to federal law;

– airports and airfields.

2 The communication system and the deadlines for updating are as follows

a) for municipal councils, via a notification table with at least quarterly frequency;

b) for land registry offices, according to cantonal land register legislation;

c) for the Section for Local Authorities, by immediate dispatch of the legislative decree relating to the amalgamations of the municipalities concerned through the Office;

d) for the Forestry Section, by immediate dispatch of decisions relating to changes to the forest boundary and movement zones or by communication, within 15 days, of the successful completion of works;

e) for the Construction Division, by written communication, within 15 days, of the successful completion of works;

f) for constructions under federal competence (paragraph 1 letter f), within 30 days of notification by the Federal Administration, the Office shall communicate the completed objects to the competent revising cadastral surveyor.

3 The communication system between the cadastral surveyor and the competent Land Registry Office shall follow the instructions issued by the Cadastre and Land Reorganization Office.

Updating during land surveying and grouping works (Art. 52 LMU)

[58] Art. amended by R 25.2.2026; in force since 1.1.2026 – BU 2026, 88; previous amendment: BU 2014, 517.

RMU

[59] The reviewing engineer surveyor and the undertaking engineer surveyor must promptly exchange all necessary information for the maintenance of up-to-date records.

Pooling of funds and quotas of PPPO (Art. 53 LMU)

[59] Art. modified by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88; previous modification: BU 2014, 517.

RMU

[60] **1** In cases where contiguous plots of land belonging to the same owner, spanning across which a new building is erected, the chartered surveyor, after consulting the competent Land Registry Office, groups these plots or shifts their boundaries before the relevant entry in the official survey. [61]

**2** The obligation to merge co-ownership shares (PPPO shares) arises when, following a transfer, the owner of individual shares becomes the owner of other shares of the same co-ownership (PPPO) or of protrusion rights.

**3** The chartered surveyor notifies the owner of the proposed modification and grants them a period of 15 days to submit any observations; the notification is sent by registered letter. [62]

**4** If the owner does not raise well-founded objections within the said period, the chartered surveyor prepares the modification plan and submits the corresponding application for registration to the competent Land Registry Office.

[60] Art. amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

[61] Para. amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

[62] Para. amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

RMU

[64] 1 The surveying engineer auditor shall submit to the Office at the end of each year the data management document and the data security document for the verification of data management. [65]

2 The verification of the management of the other components of the official survey shall be at the discretion of the Office.

Management (Art. 55 LMU)

[64] Art. amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

[65] Para. amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

RMU

[66] The Office issues instructions for the management of official surveying.

Rectification of contradictions (Arts. 56 and 57 OSG) [67]

[66] Art. amended by Ordinance of 25.2.2026; in force since 1.1.2026 - FO 2026, 88; previous amendment: FO 2014, 517.

[67] Marginal note amended by Ordinance of 10.12.2014; in force since 1.11.2014 - FO 2014, 517.

RMU

[68] The application for the registration in the land register of boundary modifications due to the rectification of contradictions between the official survey plans and reality or between the plans themselves is submitted by the revising cadastral engineer.

[68] Art. amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

RMU

−46 … [69]

[69] Arts. abrogated by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88; previous amendment: BU 2014, 517.

RMU

[71] The surveying engineer and the Office are competent for the dissemination of official surveying data.

[71] Art. amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88; previous amendment: BU 2014, 517.

RMU

[72] 1 The issuance of the extract pursuant to Article 20 of the Land Register Act of 2 February 1998 is the responsibility of

a) the revising surveyor engineer, for extracts from approved provisional surveys (updated cadastral maps and aerial photogrammetric surveys of the old parceling);

b) the surveyor engineer undertaking the land consolidation, for extracts from new land redistribution documents during the period between the preliminary approval and the definitive approval of the new land redistribution;

c) the surveyor engineer undertaking the land consolidation in collaboration with any surveyor engineer undertaking the official survey, for extracts from new land redistribution documents during the period between the definitive approval of the new land redistribution and the entry into force of the new official survey; [73]

d) the revising surveyor engineer, for extracts of approved official surveys.

2 In the case of municipalities with areas lacking updated cadastral maps or without a survey, the provisions of the regulation for the keeping of official cadastral records of municipalities under the provisional land register regime of 13 May 1958 shall apply.

3 The revising surveyor engineer is obliged to issue or renew the extract within two working days of the request.

4 The form and content of the extract are governed by the technical directives issued by the Office.

Access and Utilization (Art. 60 LMU)

[72] Art. amended by R 10.12.2014; effective from 1.11.2014 – BU 2014, 517.

[73] Subpara. amended by R 25.2.2026; effective from 1.1.2026 – BU 2026, 88.

RMU

[74] Access to and utilization of official survey data are free.

[74] Art. amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88; previous amendment: BU 2014, 517.

RMU

-57 … [76]

[76] Art. repealed by R 10.12.2014; in force from 1.11.2014 - BU 2014, 517.

RMU

1 The participation in the costs of demarcation of territorial and property boundaries, after deduction of any federal subsidies, is as follows

a) Canton

– forest zones: 30 per cent

– all other zones: 20 per cent

b) Municipality

– all zones: 20 per cent. [77]

2 The apportionment of the remaining costs to be borne by the owners is based on the number of plots and materialized boundary points. The apportionment table is prepared by the contracting surveying engineer and approved by the Office. [78]

3 The municipal share of the demarcation costs and the advance payment of the remaining costs to be apportioned among public and private landowners are debited to the current account of the interested municipality with the State.

4 The collection of the shares owed by each individual owner is the responsibility of the municipal council.

First Survey (Art. 68 LMU)

[77] Para. amended by R 11.12.2013; in force since 13.12.2013 - BU 2013, 514.

[78] Para. amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517 and BU 2015, 1; previous amendment: BU 2013, 514.

RMU

[79] The execution costs for the initial survey of measurement data, as referred to in Article 68 paragraph 2 of the LMU, after deduction of federal subsidies, are distributed as follows

a) financially strong municipalities

– Canton: 30 percent

– municipality: 70 percent

b) financially medium municipalities

– Canton: 40 percent

– municipality: 60 percent

c) financially weak municipalities

– Canton: 50 percent

– municipality: 50 percent

Renewal (Art. 69 LMU)

[79] Art. introduced by R 11.12.2013; in force since 13.12.2013 - BU 2013, 514.

RMU

[80] 1 The costs of renewing the official survey, after deducting federal subsidies, are distributed as follows

a) financially strong municipalities

– Canton: 40 percent

– municipality: 60 percent

b) financially average municipalities

– Canton: 50 percent

– municipality: 50 percent

c) financially weak municipalities

– Canton: 60 percent

– municipality: 40 percent

2 The financial strength of the municipalities is determined according to the cantonal legislation on inter-municipal financial equalization.

3 The contract signing date is decisive for determining the financial strength of the municipalities.

[80] Art. amended by R 11.12.2013; in force since 13.12.2013 - BU 2013, 514.

RMU

[81] For the expenses of carrying out measurement works, the Office may grant advances to the surveyor engineer contractor within the limits of the amount established in the contract and in relation to the state of completion of the task, up to a maximum amount equal to 80 per cent of the contract amount.

[81] Art. amended by R 25.2.2026; in force from 1.1.2026 - BU 2026, 88.

RMU

1 … [82]

2 The payment of the cantonal subsidy to the municipality takes place upon the order of the Office following technical and financial verification.

[82] Par. repealed by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

RMU

[83] 1 The surveying engineer auditor invoices the costs of the daily maintenance and collects payment.

2 If the invoices are not settled, after an unsuccessful reminder from the surveying engineer auditor, it is the municipality's responsibility to demand payment of the invoice. For this purpose, the municipality issues an appealable invoicing decision.

3 At the end of each year of daily maintenance, the surveying engineer auditor closes the annual accounts and transmits the summary of costs grouped by municipality or section to the Office, no later than June 30 of the following year.

4 The Office annually verifies the daily maintenance accounts and prepares a report.

[83] Art. amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88; previous amendment: BU 2014, 517.

RMU

… [84]

Procedure for other services [85]

[84] Art. repealed by R 25.2.2026; effective from 1.1.2026 – OJ 2026, 88; previous amendment: OJ 2014, 517.

[85] Marginal note amended by R 25.2.2026; effective from 1.1.2026 – OJ 2026, 88.

RMU

[86] The payment of the surveying engineer reviser for other updating expenses that fall outside the scope of permanent updating, such as the periodic updating of planimetric control points, the management of official measurement, or other operations not directly billable to the client, occurs together with the payment of permanent updating costs within the ordinary procedure.

[86] Art. amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

RMU

1 At the end of each audit year, and at the latest by March 30 of the following year, the Office shall submit to the competent authority the application for any federal subsidies.

2 Within one month of receiving the federal subsidies, the Office shall transfer them to the interested municipalities.

In the event of natural disasters (Art. 75 LMU)

RMU

[87] 1 The scale of subsidies for the costs of restoring planimetric fixed points 3 and boundary points is as follows

a) 40 percent, if the land is located outside the building zone;

b) 10 percent, if the land is located within the building zone.

2 The payment of the cantonal subsidy to the municipality occurs upon order of the Office after technical and financial verification.

[87] Art. modified by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

RMU

… [88]

[88] Art. repealed by R 25.2.2026; in force from 1.1.2026 - BO 2026, 88.

RMU

[90] 1 The costs for archiving are defined by the specific fee schedule for the maintenance work of the surveying engineer and are recognized within the ordinary payment procedure of the surveying engineer. [91]

2 The archiving of official survey components prepared according to old provisions takes place with the surveying engineer, who is responsible for their proper preservation in dry and fire-safe premises.

Fire and Natural Hazards Insurance (Art. 83 LMU)

[90] Art. amended by R 10.12.2014; in force since 1.11.2014 - BU 2014, 517.

[91] Sub-paragraph amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

RMU

[92] The Office determines the sum and the duration of the insurance policy.

Components [93]

[92] Art. amended by O 25.2.2026; in force since 1.1.2026 - FO 2026, 88.

[93] Marginal note amended by O 25.2.2026; in force since 1.1.2026 - FO 2026, 88.

RMU

1 The components of provisional measurements and updated cadastral maps are the plans and registers, the latter consisting of

a) general summary, which allows access to information regarding properties via the parcel number;

b) small cadastre, which allows access to information regarding properties via the owner's name;

c) fiscal register, which allows access to information regarding properties via the fiscal identification number.

2 The Office issues directives on the preparation of plans and registers.

RMU

… [94]

Current maintenance (Art. 86 LMU) [95]

[94] Art. repealed by R 25.2.2026; in force from 1.1.2026 – BU 2026, 88.

[95] Marginal note amended by R 25.2.2026; in force from 1.1.2026 – BU 2026, 88.

RMU

For the ongoing maintenance of provisional measurements and updated cadastral maps, the provisions in force for official measurements are applicable by analogy.

RMU

… [96]

Release of information and dissemination (Art. 91 ULA) [97]

[96] Art. repealed by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

[97] Marginal note amended by R 25.2.2026; in force since 1.1.2026 - BU 2026, 88.

RMU

1. For the release of information and the dissemination of data, the provisions applicable to official measurements shall apply by analogy. [98]

2. Outdated cadastral maps, which remain within the competence of the municipality, are excluded.

[98] Art. amended by O. 25.2.2026; in force since 1.1.2026 - Official Gazette 2026, 88.

RMU

[99] The introduction of servitude boundaries is possible from January 1, 2028, with the completion of the transition to the new geodata model.

[99] Art. amended by O 25.2.2026; in force since 1.1.2026 - FF 2026, 88.

RMU

With the entry into force of the present regulation, the following are repealed

- the regulation of the cadastral survey law of 9 July 1935;

- the executive decree concerning the organization of the maintenance districts for official and provisional surveys of 11 November 2003;

- the executive decree concerning the determination and orthography of local names in cadastral surveys of 22 December 1954;

- the executive decree concerning the consolidation of land parcels in areas where official cadastral surveying has already been introduced of 9 July 1952;

- the regulation and tariff for aerophotogrammetric surveys of 26 April 1963;

- no. 2 of title «VI. Final Provisions» of the tariff for the maintenance of cadastral surveys in the Canton Ticino of 17 December 2002.

RMU

This Regulation, together with its Annex, shall be published in the Official Bulletin of Laws and Executive Acts and shall enter into force immediately. [100]

Published in OB 2006, 414.

[100] Entry into force: 13 October 2006 - OB 2006, 414.

Need to analyze how this provision applies to your matter?

Cross-reference this statute against case law, commentaries, and related legislative provisions inside Legislator AI.

Open in Legislator →