Federal Act
on the Amendment of the Swiss Civil Code
(Part Five: The Code of Obligations)

¹ The con­tract­ing parties are ob­liged to en­sure com­pli­ance with the col­lect­ive em­ploy­ment con­tract; to this end as­so­ci­ations must ex­ert their in­flu­ence on their mem­bers and, where re­quired, have re­course to the means placed at their dis­pos­al by their art­icles of as­so­ci­ation and the law.

² Each con­tract­ing party has a duty to main­tain har­mo­ni­ous in­dus­tri­al re­la­tions and in par­tic­u­lar to re­frain from any hos­tile ac­tion on mat­ters reg­u­lated by the col­lect­ive em­ploy­ment con­tract; such duty ap­plies without re­stric­tion only where ex­pressly so agreed.