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?

Art. 30 - "(8) Donations received by political party, including its regional branches, from one legal entity during a calendar year shall not exceed forty-three million three hundred thousand rubles. Donations received by political party, including its regional branches, from one individual during a calendar year shall not exceed four million three hundred thirty thousand rubles".

Source: Article 30 (8), Federal Law on Political Parties of the Russian Federation, 2001 (as of December 5, 2017)