Art. 157 Tax Act (StG)
Art. 157 StG
1. A transfer tax is levied on the sale of real estate or shares in such properties.
2. The following are equated with real estate sales
a. Transactions that, with respect to the power of disposition over real estate, effectively and economically function as a sale (including, in particular, sale, exchange, contribution of real estate into a partnership, a corporation, or a cooperative, expropriation, forced sale, etc.);
b. Encumbrances on real estate with private-law servitudes or public-law ownership restrictions, provided that these permanently and substantially impair the unrestricted management or the market value of the real estate, and the encumbrance is made for consideration;
c. The paid transfer of a purchase right of real estate, the entry of third parties into a purchase contract, as well as a paid waiver of exercising such acquired rights on real estate.
3. In the case of an exchange, multiple transactions are involved. Each constitutes a sale.