noun
party protocol; party regulations
Refers to the formal internal rules and procedures of a political party.
党規約に従って、新しい党首が選出された。
A new party leader was elected in accordance with the party regulations.
規約 is a general term for rules or regulations; 党規約 specifies that these are the rules of a political party.
Compound of 党 (party) and 規約 (regulations, protocol).