1. Special Instructions: Used when specific conditions or special instructions need to be included for certain withdrawals

2. Emergency Contact: Include when an additional contact person needs to be specified for verification or emergencies

3. Multiple Account Authorization: Used when the authorization covers multiple bank accounts

4. Revocation Procedure: Include when specific procedures for revoking the authorization need to be detailed

5. Language Declaration: Used when the letter needs to be bilingual or when confirming the governing language

1. Identity Verification Documents: Copies of valid ID documents for both the account holder and authorized person

2. Specimen Signature: Official specimen signature of the authorized person for bank verification

3. Proof of Address: Recent utility bills or official documents proving the address of both parties

4. Previous Authorization Revocation: If applicable, documentation showing revocation of any previous authorization letters