(1) When registering, deregistering or changing principal residence, the data referred to in section 3 (1) nos. 1 to 18 and (2) no. 2 (a) to (c) and no. 10 may be collected from the person required to register. The same applies to the remarks necessary to verify the accuracy of these data.
(2) The person required to register receives, free of charge, written confirmation or, if registration or deregistration is done electronically, electronic confirmation of registration or deregistration (official confirmation of registration). It may only contain the following data:
1. family name,
2. given names, indicating name usually used,
3. doctoral degree,
4. date of birth,
5. date moved in or date moved out,
6. date of registration or deregistration,
7. address and
8. sole residence, principal or secondary residence.