조합원의 직접·비밀·무기명투표에 의하여 대의원을 선출하도록 규정한 구 노동조합법 제20조 제2항이 강행규정인지 여부(적극)
Whether Article 20 (2) of the former Labor Union Act, which regulates the election of delegates by direct, confidential, and anonymous vote by union members, is a mandatory provision (affirmative)