21. Is there a limit on in-kind donations to political parties?
Slovakia
A party may accept donations and other gratuitous services, unless otherwise provided by this Act. A party may accept a gift or other gratuitous performance only if the value of the gift and other gratuitous performance from one donor does not exceed EUR 300,000 in a calendar year.[...]
Source: § 23(1) ,Law No. 85 on Political Parties and Movements, 2005 (amended 2019)
A political party may accept donation or in-kind contribution from one donor not exceeding EUR 300,000 per calendar year, without distinguishing whether it is related to an election or not.