Swiss Civil Code

¹ If after the amend­ment to this Code of 30 Septem­ber 2011 comes in­to force the par­ents on the basis of a de­clar­a­tion un­der Art­icle 8a of this Title no longer have the same sur­name, they may de­clare with­in one year of the new law com­ing in­to force that their chil­dren will take the sur­name be­fore mar­riage of the par­ent who made the de­clar­a­tion.

² If the par­ent­al re­spons­ib­il­ity of a child of par­ents who are not mar­ried to each oth­er is trans­ferred to both par­ents or the fath­er alone be­fore the amend­ment to this Code of 30 Septem­ber 2011 comes in­to force, the de­clar­a­tion provided for in Art­icle 270a para­graphs 2 and 3 may be made with­in one year of the new law com­ing in­to force.

³ In ac­cord­ance with Art­icle 270b, this shall be sub­ject to the child's con­sent.