Chapter 6 - Operational Guidance and Procedures 6-1. Procurement Transactions6-2. GPC Purchasing Process6-3. National Defense Authorization Act Section 889 Representation6-4. Third Party Payment Requirements6-5. Tax-Exempt Status6-6. Surcharges6-7. Purchase Request and Approval Document6-8. Accountable Property6-9. Payments of Monthly Invoices6-10. Disputes, Defective Items and Fraudulent Transactions6-11. Non-Disputable Charges6-12. Rejected Payments6-13. File Retention6-14. Services6-15. Deployed to an OCONUS Area of Responsibility (AOR)6-16. Official Representation Funds6-17. Cable, Utilities, and Telecommunications Services (CUTS)6-18. Freedom of Information Act (FOIA) RequestsParent topic: APPENDIX - EE DEPARTMENT OF THE ARMY GOVERNMENT PURCHASE CARD OPERATING PROCEDURES