Federal Act
on Swiss Citizenship
(Swiss Citizenship Act, SCA)

¹ A child born abroad to a Swiss par­ent who is a cit­izen of an­oth­er coun­try for­feits Swiss cit­izen­ship on reach­ing the age of 25, un­less his or her birth has been no­ti­fied to a Swiss au­thor­ity abroad or in Switzer­land or he or she has de­clared in writ­ing that he or she wishes to re­main a Swiss cit­izen.

² If a child for­feits Swiss cit­izen­ship by vir­tue of para­graph 1, then his or her chil­dren also for­feit Swiss cit­izen­ship.

³ No­ti­fic­a­tion in terms of para­graph 1 is con­sti­tuted in par­tic­u­lar by any no­ti­fic­a­tion by par­ents, re­l­at­ives or ac­quaint­ances with a view to the child's entry in re­gisters in Switzer­land, ma­tric­u­la­tion or the is­su­ing of iden­tity doc­u­ments.

⁴ Any per­son who, against his or her will, has been un­able to provide no­ti­fic­a­tion or a de­clar­a­tion in terms of para­graph 1 in time, may still do so val­idly with­in one year of the reas­on for their fail­ure to do so ceas­ing to ap­ply.