1. Additional Tax Identifiers: Section for listing additional tax identification numbers from other jurisdictions, used when declarant has multi-jurisdiction tax obligations

2. Representative Authority: Required when the declaration is being made by an authorized representative rather than the principal party

3. Special Circumstances Declaration: Used when there are specific circumstances affecting tax status that need to be disclosed

4. Prior Status Declaration: Section detailing previous tax residency status, used when there has been a recent change in status

1. Proof of Residence: Copies of official documents proving German residence (e.g., registration certificate, utility bills)

2. Tax Registration Documentation: Copies of German tax registration documents or tax ID confirmations

3. Authorization Documents: If signed by a representative, powers of attorney or other authorization documents

4. Supporting Declaration Forms: Any additional standardized forms required by German tax authorities