Swiss Civil Code

¹ The right to bring an ac­tion of de­clar­a­tion of in­valid­ity pre­scribes one year after the con­test­ing party learned of the will and the ground for nullity and in any event a max­im­um of ten years after the com­mence­ment of pro­bate pro­ceed­ings.

² In all cases, the right to bring an ac­tion on grounds of lack of test­a­ment­ary ca­pa­city, im­mor­al­ity or un­law­ful­ness against a be­ne­fi­ciary act­ing in bad faith does not pre­scribe un­til 30 years have elapsed.

³ In­valid­ity may be in­voked as a de­fence at any time.