14. Is there a limit on the amount a donor can contribute to a political party during a non-election specific period?

"(1) No one shall contribute or receive any political fund which is not prescribed in this Act. (...) (4) Anyone who makes an one-time contribution of political funds in excess of 1.2 million won or anyone who pays political funds in excess of any of the following amounts according to this Act shall make such contribution and such payment by means of the check, credit card, the payment of such political funds to the deposit account or by other means that make it ascertain the identity of the donor: Provided, That the annual amount of political funds that are permitted to be contributed in cash shall not exceed 20/100 (10/100 of the limited amount of election expenses in the case of election expenses) of the total annual amount of political funds contributed: 1. Political funds other than election expenses: 500,000 won: Provided, That the political funds shall be 200,000 won for every candidate or every preliminary candidate who runs in an election for public office; 2. Election expenses: 200,000 won.
Article 2, Political Funds Act, 2023"

Legal persons cannot donate at all.