Swiss Code of Obligations

The Swiss Code of Obligations (SR/RS 22, German: Obligationenrecht; French: Code des obligations; Italian: Diritto delle obbligazioni; Romansh: Dretg d'obligaziuns), the 5th part of the Swiss civil code, is a federal law that regulates contract law and joint-stock companies (Aktiengesellschaft or SA). It was first adopted in 1911 (effective since 1 January 1912).