20. Is there a limit on the amount a candidate can contribute to their own election campaign?

Article 134 para 3 of the Election Code

A candidate for MP, a candidate for senator, candidate for President of the Republic, and candidate for MEP who is a Polish citizen can contribute to the election committee a sum of not more than 45 times the minimum salary for the work defined under separate regulations, in force on the day following the date of announcement of elections.