Art. 21 Federal Act of 13 October 1965 on Withholding Tax (WTA)
Art. 21 LIA
The beneficial owner as defined in Articles 22 to 28 may request a refund of the withholding tax deducted by the debtor on the following grounds: a. for income tax from movable capital assets: if at the time of maturity of the taxable performance, the beneficial owner had the right of enjoyment over the assets that generated the income subject to tax; b. for winnings from gambling that are not exempt from tax according to Art. 24, let. i to i ter, of the Federal Income Tax Act (FITA) and winnings from games of skill or lotteries intended to promote sales that are not exempt from tax under Art. 24, let. j, FITA: if the person was the owner of the lottery ticket at the time of the drawing or if they are the participant entitled to collect the winnings.
A refund is inadmissible in all cases where it could allow for tax evasion.
When special circumstances justify it (stock market transactions, etc.), the ordinance may regulate the right to a refund by derogating from para. 1.