1. Revocation Clause: Include when the principal wants to explicitly state conditions under which the authorization can be revoked

2. Governing Law Statement: Include when the authorization might need to be used in multiple jurisdictions

3. Language Declaration: Include when the document is bilingual or might be used in non-English speaking contexts

4. Substitute Authorization: Include when the attorney needs the power to delegate authority to others

5. Indemnification Clause: Include when there's a need to protect the attorney from liability while acting under the authorization

6. Emergency Contact Information: Include when the authorization is for medical or emergency situations

1. Identification Documents: Copies of principal's and attorney's identification documents (HKID/passport)

2. List of Authorized Activities: Detailed enumeration of specific actions and decisions the attorney is authorized to make

3. Professional Credentials: Copies of relevant professional licenses or credentials of the attorney if required

4. Specific Instructions: Any detailed instructions or procedures the attorney must follow when executing their duties