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

Where a bill of ex­change bears a sig­na­ture of a per­son lack­ing ca­pa­city to enter in­to li­ab­il­it­ies on a bill of ex­change, a forged sig­na­ture, the sig­na­ture of a bogus per­son or a sig­na­ture which for whatever oth­er reas­on is not bind­ing on the per­son who signed or in whose name the bill was signed, this fact has no ef­fect on the valid­ity of the oth­er sig­na­tures.