Swiss Civil Code

¹ The ac­tion is ad­miss­ible both be­fore and after the birth but must be brought:

1.

by the moth­er with­in one year of the birth;

2.²⁷²

by the child at any time pri­or to the elapse of one year after at­tain­ing the age of ma­jor­ity.

² If a par­ent-child re­la­tion­ship already ex­ists with an­oth­er man, the ac­tion may in any event be brought with­in one year of the date on which said re­la­tion­ship is an­nulled.

³ Once these time lim­its have ex­pired, an ac­tion for de­term­in­a­tion of pa­tern­ity is ad­miss­ible provided there is good cause for the delay.