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

¹ To the ex­tent that the draw­er of a bill of ex­change and the ac­cept­or are un­justly en­riched to the det­ri­ment of the hold­er, they re­main ob­liged to the hold­er even where their bill li­ab­il­ity has pre­scribed or ex­tin­guished on ac­count of fail­ure to take the ac­tions re­quired by law to sus­tain the en­ti­tle­ment un­der the bill of ex­change.

² The claim for un­just en­rich­ment also ex­ists against the drawee, the dom­i­cili­ate and the per­son or com­pany for whose ac­count the draw­er is­sued the bill.

³ By con­trast, no such claim ex­ists against the en­dors­ers whose bill li­ab­il­ity is ex­tin­guished.