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

The ob­lig­or is en­titled to de­pos­it his per­form­ance or to with­draw from the con­tract, as in the case of de­fault on the part of the ob­li­gee, where per­form­ance can­not be rendered either to the ob­li­gee or to his rep­res­ent­at­ive for some oth­er reas­on per­tain­ing to the ob­li­gee or where through no fault of the ob­lig­or there is un­cer­tainty as to the iden­tity of the ob­li­gee.