15. If there is a limit on the amount a donor can contribute to a political party during a non-election specific period, what is the limit?

66. [...] Any real persons or legal entities other than those mentioned in the foregoing article shall be prohibited from making an in kind or cash donation worth more than two billion liras each to a political party in the same year (Annex phrase by Article 8 of Law 4778, dated 2 January 2003) or allowing the political party to use its broadcast media. [...]
Source: Article 66, Law on Political Parties, 1983 (amended 2018)

The current value of donation limit is calculated by the researcher.

Monetary values described by Articles 66 and 70 of Law No. 2820 shall be recalculated each year in accordance with the revaluation rate (previous year’s producers’ price index).

Source: Annex Article 6, Law on Political Parties, 1983 (as amended in 1999, Law No. 2820).