Federal Act
on Foreign Nationals and Integration
(Foreign Nationals and Integration Act, FNIA)¹

For­eign na­tion­als and third parties in­volved in pro­ceed­ings un­der this Act are ob­liged to co­oper­ate in de­term­in­ing the rel­ev­ant cir­cum­stances ne­ces­sary to ap­ply this Act. They must in par­tic­u­lar:

a.

provide ac­cur­ate and com­plete in­form­a­tion about cir­cum­stances, which are es­sen­tial for the reg­u­la­tion of the peri­od of stay;

b.

sub­mit the re­quired evid­ence without delay or make every ef­fort to ob­tain it with­in a reas­on­able peri­od;

c.

ob­tain iden­tity doc­u­ments (Art. 89) or as­sist the au­thor­it­ies in ob­tain­ing these doc­u­ments.