• Part 1400 - PART 1400 [RESERVED]

• Part 1401 [1401.105-3 - 1401.7001-5] - PART 1401—DEPARTMENT OF THE INTERIOR ACQUISITION REGULATION SYSTEM

• Part 1402 [1402.101 - 1402.170] - PART 1402—DEFINITIONS OF WORDS AND TERMS

• Part 1403 [1403.101 - 1403.1004] - PART 1403—IMPROPER BUSINESS PRACTICES AND PERSONAL CONFLICTS OF INTEREST

• Part 1404 [1404.402 - 1404.7004] - PART 1404—ADMINISTRATIVE MATTERS

• Part 1405 [1405.202 - 1405.502] - PART 1405—PUBLICIZING CONTRACT ACTIONS

• Part 1406 [1406.202 - 1406.502] - PART 1406—COMPETITION REQUIREMENTS

• Part 1407 [1407.102 - 1407.307] - PART 1407—ACQUISITION PLANNING

• Part 1408 [1408.102 - 1408.802] - PART 1408—REQUIRED SOURCES OF SUPPLIES AND SERVICES

• Part 1409 [1409.202 - 1409.506] - PART 1409—CONTRACTOR QUALIFICATIONS

• Part 1410-1412 - PARTS 1410-1412 [RESERVED]

• Part 1413 [1413.201 - 1413.306] - PART 1413—SIMPLIFIED ACQUISITION PROCEDURES

• Part 1414 [1414.201 - 1414.407-4] - PART 1414—SEALED BIDDING

• Part 1415 [1415.201 - 1415.606] - PART 1415—CONTRACTING BY NEGOTIATION

• Part 1416 [1416.203 - 1416.405] - PART 1416—TYPES OF CONTRACTS

• Part 1417 [1417.203 - 1417.605] - PART 1417—SPECIAL CONTRACTING METHODS

• Part 1418 - PART 1418 [RESERVED]

• Part 1419 [1419.201 - 1419.810] - PART 1419—SMALL BUSINESS PROGRAMS

• Part 1420-1421 - PARTS 1420-1421 [RESERVED]

• Part 1422 [1422.101 - 1422.1403] - PART 1422—APPLICATION OF LABOR LAWS TO GOVERNMENT ACQUISITIONS

• Part 1423 - PART 1423 [RESERVED]

• Part 1424 [1424.102 - 1424.203] - PART 1424—PROTECTION OF PRIVACY AND FREEDOM OF INFORMATION

• Part 1425 [1425.003 - 1425.1001] - PART 1425—FOREIGN ACQUISITION

• Part 1426 [1426.7100 - 1426.7103-2] - PART 1426—OTHER SOCIOECONOMIC PROGRAMS

• Part 1427 [1427.201 - 1427.306] - PART 1427—PATENTS, DATA, AND COPYRIGHTS

• Part 1428 [1428.301 - 1428.311-2] - PART 1428—BONDS AND INSURANCE

• Part 1429 [1429.303 - 1429.303] - PART 1429—TAXES

• Part 1430 [1430.201 - 1430.202-2] - PART 1430—COST ACCOUNTING STANDARDS ADMINISTRATION

• Part 1431 [1431.101 - 1431.101] - PART 1431—CONTRACT COST PRINCIPLES AND PROCEDURES

• Part 1432 [1432.102 - 1432.903] - PART 1432—CONTRACT FINANCING

• Part 1433 [1433.102 - 1433.215] - PART 1433—PROTESTS, DISPUTES, AND APPEALS

• Part 1434 - PART 1434 [RESERVED]

• Part 1435 [1435.010 - 1435.010] - PART 1435—RESEARCH AND DEVELOPMENT CONTRACTING

• Part 1436 [1436.209 - 1436.603] - PART 1436—CONSTRUCTION AND ARCHITECT-ENGINEER CONTRACTS

• Part 1437 [1437.102 - 1437.7102] - PART 1437—SERVICE CONTRACTING

• Part 1438-1441 - PARTS 1438-1441 [RESERVED]

• Part 1442 [1442.202 - 1442.602] - PART 1442—CONTRACT ADMINISTRATION AND AUDIT SERVICES

• Part 1443 [1443.205 - 1443.205] - PART 1443—CONTRACT MODIFICATIONS

• Part 1444 - PART 1444 [RESERVED]

• Part 1445 [1445.302 - 1445.302] - PART 1445—GOVERNMENT PROPERTY

• Part 1446 [1446.170 - 1446.708] - PART 1446—QUALITY ASSURANCE

• Part 1447 - PART 1447 [RESERVED]

• Part 1448 [1448.102 - 1448.102] - PART 1448—VALUE ENGINEERING

• Part 1449 [1449.106 - 1449.402-3] - PART 1449—TERMINATION OF CONTRACTS

• Part 1450 [1450.101 - 1450.104-3] - PART 1450—EXTRAORDINARY CONTRACTUAL ACTIONS AND THE SAFETY ACT

• Part 1451 [1451.102 - 1451.102] - PART 1451—USES OF GOVERNMENT SOURCES BY CONTRACTORS

• Part 1452 [1452.000 - 1452.280-4] - PART 1452—SOLICITATION PROVISIONS AND CONTRACT CLAUSES

• Part 1480 [1480.101 - 1480.904] - PART 1480—ACQUISITIONS UNDER THE BUY INDIAN ACT

• Part 1481-1499 - PARTS 1481-1499 [RESERVED]