1. Broker's Commission: Include when a real estate broker is involved in the transaction

2. Environmental Compliance: Required for properties subject to environmental regulations or with potential environmental issues

3. Foreign Ownership Compliance: Include when buyer is a foreign national or corporation to ensure compliance with Philippine foreign ownership restrictions

4. Tenant Rights: Include when the property is currently leased or occupied by tenants

5. Subdivision Approval: Required when the transaction involves subdivision of land

6. Agricultural Land Conversion: Include when the property requires conversion from agricultural use

7. Condominium Association Rules: Include for condominium unit transactions

8. Force Majeure: Optional clause for addressing unforeseen circumstances affecting completion of the transaction

9. Escrow Arrangements: Include when using an escrow agent for the transaction

10. Zoning Compliance: Include when property use or development plans require specific zoning considerations

1. Property Description Schedule: Detailed technical description of the property, including boundaries, improvements, and title information

2. Payment Schedule: Detailed breakdown of payment terms, amounts, and due dates

3. Due Diligence Report: Summary of property inspection, title search, and other investigations

4. Title Documents: Copies of relevant title documents and certificates

5. Tax Clearance Certificates: Proof of payment of relevant property taxes and clearances

6. Property Survey: Recent survey plan and technical description

7. Permits and Licenses: Copies of relevant permits, licenses, and certificates affecting the property

8. Outstanding Encumbrances: List of any existing liens, mortgages, or other encumbrances

9. Photos and Plans: Recent photographs of the property and architectural/development plans if applicable

10. Environmental Certificates: Environmental compliance certificates or assessments where required