Electoral system for national legislature

Slovakia
Slovakia, Act on the Conditions of Exercise of the Right to Vote and change and completion of certain laws (2014, as amended in 2019), [in Slovak], accessed 9 February, 2020
See Articles 63-68.
Open List PR system with electoral threshold of 5% for single parties, 7% for coalitions of two or three political parties, and 10% for coalitions of at least four political parties.