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DIAR
Department of the Interior Acquisition Regulation
Looking for older versions of regulations? Check our Regulation Archives
A quick reference of the DIAR Parts
Current to: (84 FR 69344, 9 May 2022)
DIAR POC: Tiffany Harvey
Last Update: 19 May 2022
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Part Number
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Title
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| Part 1481 | Reserved |  |
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| Part 1480 | Acquisitions Under the Buy Indian Act | |
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| Part 1452 | Solicitation Provisions and Contract Clauses | |
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| Part 1451 | Uses of Government Sources by Contractors | |
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| Part 1450 | Extraordinary Contractual Actions and the Safety Act | |
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| Part 1449 | Termination of Contracts | |
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| Part 1448 | Value Engineering | |
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| Part 1447 | Reserved | |
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| Part 1446 | Quality Assurance | |
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| Part 1445 | Government Property | |
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| Part 1444 | Reserved | |
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| Part 1443 | Contract Modifications | |
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| Part 1442 | Contract Administration and Audit Services | |
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| Part 1438 | Reserved | |
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| Part 1437 | Service Contracting | |
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| Part 1436 | Construction and Architect-Engineer Contracts | |
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| Part 1435 | Research and Development Contracting | |
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| Part 1434 | Reserved | |
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| Part 1433 | Protests, Disputes, and Appeals | |
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| Part 1432 | Contract Financing | |
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| Part 1431 | Contract Cost Principles and Procedures | |
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| Part 1430 | Cost Accounting Standards Administration | |
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| Part 1429 | Taxes | |
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| Part 1428 | Bonds and Insurance | |
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| Part 1427 | Patents, Data, and Copyrights | |
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| Part 1426 | Other Socioeconomic Programs | |
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| Part 1425 | Foreign Acquisition | |
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| Part 1424 | Protection of Privacy and Freedom of Information | |
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| Part 1423 | Reserved | |
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| Part 1422 | Application of Labor Laws to Government Acquisitions | |
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| Part 1420 | Reserved | |
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| Part 1419 | Small Business Programs | |
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| Part 1418 | Reserved | |
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| Part 1417 | Special Contracting Methods | |
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| Part 1416 | Types of Contracts | |
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| Part 1415 | Contracting by Negotiation | |
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| Part 1414 | Sealed Bidding | |
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| Part 1413 | Simplified Acquisition Procedures | |
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| Part 1410 | Reserved | |
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| Part 1409 | Contractor Qualifications | |
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| Part 1408 | Required Sources of Supplies and Services | |
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| Part 1407 | Acquisition Planning | |
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| Part 1406 | Competition Requirements | |
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| Part 1405 | Publicizing Contract Actions | |
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| Part 1404 | Administrative Matters | |
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| Part 1403 | Improper Business Practices and Personal Conflicts of Interest | |
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| Part 1402 | Definitions of Words and Terms | |
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| Part 1401 | Department of the Interior Acquisition Regulation System | |
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| Part 1400 | Reserved | |
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