Request a change of tax ID number
Correction or reissuance of a tax identification number following a change of residence, a name change, or an error in the tax assessment notice.
How to proceed
- 1
Notice to the relevant tax office
In writing or via ELSTER, stating the reason.
- 2
Audit by the tax office
Reconciliation with the reported data.
- 3
Report a new tax ID number
By mail or through your ELSTER account.
Responsible authority
The authority of your main place of residence is responsible.Find authority →
Fees
Varies by case
Processing time
approx. 1 weeks
Official: max. approx. 2 weeks
Online application
Online possible – at the responsible authority
Common mistakes
- • Tax number entered instead of tax identification number
- • Failure to notify the tax office of a change of address
The essentials before applying
Who is eligible?
Taxpayers whose tax ID number is incorrect or has not been updated following a move.
Income limit
The limit varies by household and region – see the table at the responsible authority or in the application assistant.
Processing time
Nationwide: approx. approx. 1 weeks
Success rate
approx. 98.0 % (estimate)
Most common mistakes
- •Tax number entered instead of tax identification number
- •Failure to notify the tax office of a change of address
Common reasons for rejection
Alternatives
- Check related services in the application assistant
- Use social counselling before applying
If rejected
Read the decision carefully: often submitting missing documents or reapplying helps more than an objection.