datum isteka

1. (of a document) expiry date; expiration date
   U zahtevu upišite datum isteka trenutne dozvole za boravak. — In the application, enter the expiry date of your current residence permit.
   Proveri datum isteka na pasošu pre puta. — Check the expiry date on your passport before the trip.

For food, Serbians usually say "rok trajanja" or "upotrebljivo do".