Federal Act
on Private International Law
(PILA)

¹ A mar­riage val­idly sol­em­nised abroad is re­cog­nised in Switzer­land, sub­ject to Art­icle 45a.³¹

² If either of the pro­spect­ive spouses is a Swiss cit­izen or if both have their dom­i­cile in Switzer­land, a mar­riage cel­eb­rated abroad is re­cog­nised, un­less it was sol­em­nised with the mani­fest in­tent of cir­cum­vent­ing the Swiss pro­vi­sions on an­nul­ment of mar­riage.³²

³ A mar­riage sol­em­nised abroad shall not be re­cog­nised:

a.

un­less and un­til both spouses have reached the age of 16; or

b.

if at the time the mar­riage was sol­em­nised at least one spouse was dom­i­ciled in Switzer­land and at least one spouse had not reached the age of 18.³³