1. Duration of Authority: Specific time period for which the authorization is valid, used when the authority needs to be time-limited

2. Special Instructions: Any specific instructions or limitations on the authorized representative's powers

3. Relationship Statement: Description of the relationship between authorizer and representative, used when relevant to establish trust or context

4. Emergency Contact: Alternative contact information for urgent matters, used in complex visa applications

5. Witness Details: Information and signature of witness, used when additional verification is required

1. Identity Documents: Copies of passport biographical pages and other identity documents of both authorizer and representative

2. Professional Credentials: If the representative is a licensed immigration adviser, copies of their credentials

3. Relationship Evidence: Any documents proving the relationship between authorizer and representative, if relevant

4. Translation Certificate: If the letter is translated, certified translation and translator's credentials