• Part 400 - PART 400 [RESERVED]

• Part 401 [401.101 - 401.603-1] - PART 401—AGRICULTURE ACQUISITION REGULATION SYSTEM

• Part 402 [402.101 - 402.101] - PART 402—DEFINITIONS OF WORDS AND TERMS

• Part 403 [403.101 - 403.101] - PART 403—IMPROPER BUSINESS PRACTICES AND PERSONAL CONFLICTS

• Part 404 [404.804 - 404.1303] - PART 404—ADMINISTRATIVE AND INFORMATION MATTERS

• Part 405 [405.404 - 405.502] - PART 405—PUBLICIZING CONTRACT ACTIONS

• Part 406 [406.202 - 406.302-70] - PART 406—COMPETITION REQUIREMENTS

• Part 407 - PART 407 [RESERVED]

• Part 408 [408.802 - 408.802] - PART 408—REQUIRED SOURCES OF SUPPLIES AND SERVICES

• Part 409-410 - PARTS 409-410 [RESERVED]

• Part 411 [411.101 - 411.602] - PART 411—DESCRIBING AGENCY NEEDS

• Part 412 [412.302 - 412.302] - PART 412—ACQUISITION OF COMMERICAL ITEMS

• Part 413 [413.302 - 413.302-5] - PART 413—SIMPLIFIED ACQUISITION PROCEDURES

• Part 414 [414.404 - 414.409-2] - PART 414—SEALED BIDDING

• Part 415 [415.204 - 415.604] - PART 415—CONTRACTING BY NEGOTIATION

• Part 416 [416.102 - 416.603-2] - PART 416—TYPES OF CONTRACTS

• Part 417-418 - PARTS 417-418 [RESERVED]

• Part 419 [419.201 - 419.602-3] -

• Part 420-421 - PARTS 420-421 [RESERVED]

• Part 422 [422.302 - 422.1403] - PART 422—APPLICATION OF LABOR LAWS TO GOVERNMENT ACQUISITIONS

• Part 423 [423.107 - 423.601] - PART 423—ENVIRONMENT, SUSTAINABLE ACQUISITION, AND MATERIAL SAFETY

• Part 424 - PART 424 [RESERVED]

• Part 425 [425.603 - 425.603] - PART 425—FOREIGN ACQUISITION

• Part 426 [426.505 - 426.505] - PART 426—OTHER SOCIOECONOMIC PROGRAMS

• Part 427 - PART 427 [RESERVED]

• Part 428 [428.101 - 428.203] - PART 428—BONDS AND INSURANCE

• Part 429 - PART 429 [RESERVED]

• Part 430 [430.201 - 430.202-8] - PART 430—COST ACCOUNTING STANDARDS ADMINISTRATION

• Part 431 [431.101 - 431.101] - PART 431—CONTRACT COST PRINCIPLES AND PROCEDURES

• Part 432 [432.001 - 432.802] - PART 432—CONTRACT FINANCING

• Part 433 [433.102 - 433.203] - PART 433—PROTESTS, DISPUTES AND APPEALS

• Part 434 [434.001 - 434.005-6] - PART 434—MAJOR SYSTEM ACQUISITION

• Part 435 - PART 435 [RESERVED]

• Part 436 [436.205 - 436.609-1] - PART 436—CONSTRUCTION AND ARCHITECT-ENGINEER CONTRACTS

• Part 437 [437.104 - 437.204] - PART 437—SERVICE CONTRACTING

• Part 438-441 - PARTS 438-441 [RESERVED]

• Part 442-444 - PARTS 442-444 [RESERVED]

• Part 445 [445.103 - 445.301] - PART 445—GOVERNMENT PROPERTY

• Part 446-448 - PARTS 446-448 [RESERVED]

• Part 449 [449.501 - 449.501] - PART 449—TERMINATION OF CONTRACTS

• Part 450 [450.100 - 450.102-1] - PART 450—EXTRAORDINARY CONTRACTUAL ACTIONS AND THE SAFETY ACT

• Part 451 - PART 451 [RESERVED]

• Part 452 [452.204-70 - 452.236-70] - PART 452—SOLICITATION PROVISIONS AND CONTRACT CLAUSES

• Part 453-469 - PARTS 453-469 [RESERVED]

• Part 470 [470.000 - 470.203] - PART 470—COMMODITY ACQUISITIONS

• Part 471-499 - PARTS 471-499 [RESERVED]