Article 20 A party to a collective agreement or his successor in rights shall not resort to any combative practices to imperil the existence of the agreement or of any of its provisions.

• 第20条(不得妨害义务)团体协约当事人及其权利承继人，对于妨害团体协约之存在，或其各个规定之存在之一切斗争手段不得采用。