For example in Iceland you don't have to name the baby immediately, and the registration times are different for foreign parents.https://www.skra.is/english/people/registration-of-children/...

Of course then you may fall foul of classic falsehood 40: People have names.

For today's lucky 10,000: Falsehoods programmers believe about names (https://www.kalzumeus.com/2010/06/17/falsehoods-programmers-...)