1. Purpose of Authorization: Used when the authorization is being granted for a specific purpose or project

2. Emergency Contact Information: Include when the authorization is for long-term use or when specific circumstances require additional contact points

3. Revocation Clause: Include when there's a need to explicitly state how the authorization can be revoked

4. Special Instructions: Used when there are specific conditions or procedures that must be followed for withdrawals

5. Joint Account Holder Authorization: Include when the account is jointly held and requires additional authorization

1. Copy of Identity Documents: Certified copies of identification documents for both account holder and authorized person

2. Specimen Signature Card: Document containing authorized person's signature specimen for bank verification

3. List of Authorized Transactions: If authorization is limited to specific types of transactions or specific payees

4. Bank's Authorization Form: Any specific forms required by the bank to be completed and attached to the authorization letter