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

Article 25, para 4 of the Polish Act on Political Parties

The total sum of payments from a natural person to a political party, excluding membership fees amounting in any given year to not more than the minimum wage set in pursuance of separate regulations, prevailing on the day immediately preceding the date of payment, as well as payments to the Election Fund of a political party may not exceed in any given year 15 times the minimum wage set in pursuance of separate regulations, prevailing on the day immediately preceding the date of payment.