List PR using with open list using the Hare-Niemeyer Method
Bulgaria, Electoral Code (2014, amended by SG. 107/18 Dec 2020), accessed 11 April 2021
Art. 246. (1) The elections for MPs shall be held based on the proportional electoral system with registered candidate lists in multi-member constituencies of:
1. political parties and coalitions;
2. nomination committees.
(2) In voting for a candidate list of a political party or coalition, the voter may mark a preference for a candidate in the candidate list thus expressing his/her preference on the order of arrangement of the candidates on the candidate list he/she is voting for.
See further Articles 297-299 for details of allocations of seats.