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# For the registration in Meldefluss, where is my Tax ID No.?

###### The ID number is an 11-digit number assigned to you by the Federal Central Tax Office. You can find it:
* on your last income tax assessment
* on your wage tax statement
* in the letter from the Federal Central Tax Office after your birth or registration in Germany

||| If you cannot find it, you can request it again online from the Federal Central Tax Office: 👉 www.bzst.de