| Chapter 27-1. GENERAL RULES OF THE CONTRACT APPEALS BOARD |
| Chapter 27-2. APPEAL PROCEDURES OF THE CONTRACT BOARD |
| Chapter 27-3. PROTEST PROCEDURES OF THE CONTRACT APPEALS BOARD |
| Chapter 27-4. ELECTRONIC FILING |
| Chapter 27-5. CRIMINAL BACKGROUND AND TRAFFIC RECORDS CHECKS FOR DISTRICT GOVERNMENT CONTRACTORS THAT PROVIDE DIRECT SERVICES TO CHILDREN OR YOUTH |
| Chapter 27-6. MINORITY BUSINESS DEVELOPMENT |
| Chapter 27-7. MINORITY BUSINESS ENTERPRISES |
| Chapter 27-8. LOCAL, SMALL AND DISADVANTAGED BUSINESS ENTERPRISES CONTRACTING |
| Chapter 27-9. SURPLUS PROPERTY |
| Chapter 27-10. DISTRICT OF COLUMBIA PROCUREMENT SYSTEM |
| Chapter 27-11. [RESERVED] |
| Chapter 27-12. CONTRACT MANAGEMENT AND ADMINISTRATION |
| Chapter 27-13. PUBLICIZING CONTRACT ACTIONS |
| Chapter 27-14. USE OF ELECTRONIC COMMERCE |
| Chapter 27-15. PROCUREMENT BY COMPETITIVE SEALED BIDDING |
| Chapter 27-16. PROCUREMENT BY COMPETITIVE SEALED PROPOSALS |
| Chapter 27-17. SOLE SOURCE AND EMERGENCY PROCUREMENTS |
| Chapter 27-18. SMALL PURCHASE AND OTHER SIMPLIFIED PURCHASE PROCEDURES |
| Chapter 27-19. CONTRACTING FOR SERVICES |
| Chapter 27-20. SPECIAL CONTRACTING METHODS |
| Chapter 27-21. REQUIRED SOURCES OF GOODS AND SERVICES |
| Chapter 27-22. CONTRACTORS |
| Chapter 27-23. DELIVERY AND PERFORMANCE |
| Chapter 27-24. TYPES OF CONTRACTS |
| Chapter 27-25. SPECIFICATIONS, STANDARDS, AND OTHER PURCHASE DESCRIPTIONS |
| Chapter 27-26. CONSTRUCTION AND ARCHITECT-ENGINEER CONTRACTS |
| Chapter 27-27. BONDS, OTHER SECURITY, AND INSURANCE |
| Chapter 27-28. SUBCONTRACTING |
| Chapter 27-29. SPECIAL PILOT PROJECT PROCUREMENTS |
| Chapter 27-31. PATENTS, COPYRIGHTS, AND PROPRIETARY INFORMATION |
| Chapter 27-32. CONTRACT FINANCING AND FUNDING |
| Chapter 27-33. CONTRACT COST PRINCIPLES |
| Chapter 27-36. CONTRACT MODIFICATIONS |
| Chapter 27-37. TERMINATION OF CONTRACTS |
| Chapter 27-38. PROTESTS, CLAIMS, AND DISPUTES |
| Chapter 27-40. QUALITY ASSURANCE |
| Chapter 27-41. USE OF DISTRICT PROPERTY AND SOURCES BY CONTRACTORS |
| Chapter 27-42. FREEDOM OF INFORMATION AND PRIVACY |
| Chapter 27-45. PROCUREMENT TRAINING |
| Chapter 27-46. NOT-FOR-PROFIT HOSPITAL CORPORATION PROCUREMENT RULES |
| Chapter 27-47. DEPARTMENT OF GENERAL SERVICES PROCUREMENT RULES FOR CONSTRUCTION AND RELATED SERVICES |
| Chapter 27-48. PUBLIC-PRIVATE PARTNERSHIPS |