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DIAR
Department of the Interior Acquisition Regulation
Effective Date: 05/09/2022
Looking for older versions of regulations? Check our Regulation Archives
A quick reference of the DIAR Parts
DIAR POC: Tiffany Harvey
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Part Number
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Title | ||
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| Part 1400 | PART 1400 [RESERVED] |  |
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| Part 1401 | PART 1401 - DEPARTMENT OF THE INTERIOR ACQUISITION REGULATION SYSTEM | |
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| Part 1402 | PART 1402 - DEFINITIONS OF WORDS AND TERMS | |
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| Part 1403 | PART 1403 - IMPROPER BUSINESS PRACTICES AND PERSONAL CONFLICTS OF INTEREST | |
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| Part 1404 | PART 1404 - ADMINISTRATIVE MATTERS | |
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| Part 1405 | PART 1405 - PUBLICIZING CONTRACT ACTIONS | |
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| Part 1406 | PART 1406 - COMPETITION REQUIREMENTS | |
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| Part 1407 | PART 1407 - ACQUISITION PLANNING | |
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| Part 1408 | PART 1408 - REQUIRED SOURCES OF SUPPLIES AND SERVICES | |
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| Part 1409 | PART 1409 - CONTRACTOR QUALIFICATIONS | |
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| Part 1410 | PARTS 1410-1412 [RESERVED] | |
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| Part 1413 | PART 1413 - SIMPLIFIED ACQUISITION PROCEDURES | |
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| Part 1414 | PART 1414 - SEALED BIDDING | |
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| Part 1415 | PART 1415 - CONTRACTING BY NEGOTIATION | |
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| Part 1416 | PART 1416 - TYPES OF CONTRACTS | |
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| Part 1417 | PART 1417 - SPECIAL CONTRACTING METHODS | |
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| Part 1418 | PART 1418 [RESERVED] | |
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| Part 1419 | PART 1419 - SMALL BUSINESS PROGRAMS | |
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| Part 1420 | PARTS 1420-1421 [RESERVED] | |
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| Part 1422 | PART 1422 - APPLICATION OF LABOR LAWS TO GOVERNMENT ACQUISITIONS | |
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| Part 1423 | PART 1423 [RESERVED] | |
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| Part 1424 | PART 1424 - PROTECTION OF PRIVACY AND FREEDOM OF INFORMATION | |
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| Part 1425 | PART 1425 - FOREIGN ACQUISITION | |
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| Part 1426 | PART 1426 - OTHER SOCIOECONOMIC PROGRAMS | |
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| Part 1427 | PART 1427 - PATENTS, DATA, AND COPYRIGHTS | |
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| Part 1428 | PART 1428 - BONDS AND INSURANCE | |
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| Part 1429 | PART 1429 - TAXES | |
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| Part 1430 | PART 1430 - COST ACCOUNTING STANDARDS ADMINISTRATION | |
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| Part 1431 | PART 1431 - CONTRACT COST PRINCIPLES AND PROCEDURES | |
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| Part 1432 | PART 1432 - CONTRACT FINANCING | |
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| Part 1433 | PART 1433 - PROTESTS, DISPUTES, AND APPEALS | |
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| Part 1434 | PART 1434 [RESERVED] | |
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| Part 1435 | PART 1435 - RESEARCH AND DEVELOPMENT CONTRACTING | |
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| Part 1436 | PART 1436 - CONSTRUCTION AND ARCHITECT-ENGINEER CONTRACTS | |
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| Part 1437 | PART 1437 - SERVICE CONTRACTING | |
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| Part 1438 | PARTS 1438-1441 [RESERVED] | |
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| Part 1442 | PART 1442 - CONTRACT ADMINISTRATION AND AUDIT SERVICES | |
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| Part 1443 | PART 1443 - CONTRACT MODIFICATIONS | |
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| Part 1444 | PART 1444 [RESERVED] | |
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| Part 1445 | PART 1445 - GOVERNMENT PROPERTY | |
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| Part 1446 | PART 1446 - QUALITY ASSURANCE | |
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| Part 1447 | PART 1447 [RESERVED] | |
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| Part 1448 | PART 1448 - VALUE ENGINEERING | |
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| Part 1449 | PART 1449 - TERMINATION OF CONTRACTS | |
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| Part 1450 | PART 1450 - EXTRAORDINARY CONTRACTUAL ACTIONS AND THE SAFETY ACT | |
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| Part 1451 | PART 1451 - USES OF GOVERNMENT SOURCES BY CONTRACTORS | |
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| Part 1452 | PART 1452 - SOLICITATION PROVISIONS AND CONTRACT CLAUSES | |
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| Part 1480 | PART 1480 - ACQUISITIONS UNDER THE BUY INDIAN ACT | |
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| Part 1481 | PARTS 1481-1499 [RESERVED] | |
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