FAR Part 31 Contract Cost Principles and Procedures

Part Federal Acquisition Regulation

Part facts

Citation: FAR Part 31
Type: Part
Last amended: 89 FR 30252 Effective May 22, 2024
Text as of: FAC 2026-01
Official text: acquisition.gov

Text from acquisition.gov. Federal Register history from the Federal Register's records of the rules that amended this part.

31.000 Scope of part
31.001 Definitions
31.002 Availability of accounting guide
Subpart 31.1 Applicability
- 31.100 Scope of subpart
- 31.101 Objectives
- 31.102 Fixed-price contracts
- 31.103 Contracts with commercial organizations
- 31.104 Contracts with educational institutions
- 31.105 Construction and architect-engineer contracts
- 31.106 Reserved
- 31.107 Contracts with State, local, and federally recognized Indian tribal governments
- 31.108 Contracts with nonprofit organizations
- 31.109 Advance agreements
- 31.110 Indirect cost rate certification and penalties on unallowable costs
Subpart 31.2 Contracts with Commercial Organizations
- 31.201 General
- 31.202 Direct costs
- 31.203 Indirect costs
- 31.204 Application of principles and procedures
- 31.205 Selected costs
Subpart 31.3 Contracts with Educational Institutions
- 31.301 Purpose
- 31.302 General
- 31.303 Requirements
Subpart 31.4 Reserved
Subpart 31.5 Reserved
Subpart 31.6 Contracts with State, Local, and Federally Recognized Indian Tribal Governments
- 31.601 Purpose
- 31.602 General
- 31.603 Requirements
Subpart 31.7 Contracts with Nonprofit Organizations
- 31.701 Purpose
- 31.702 General
- 31.703 Requirements

Federal Register history

Final rule	Published	Effective
Federal Acquisition Regulation; Technical Amendments 89 FR 30252 · FAC 2024-05	Apr 22, 2024	May 22, 2024
Federal Acquisition Regulation: Whistleblower Protection for Contractor Employees 88 FR 69517 · FAC 2023-06, FAR Case 2017-005, Item II	Oct 5, 2023	Nov 6, 2023
Federal Acquisition Regulation: Update to Title 10 Citations 87 FR 73894 · FAC 2023-01	Dec 1, 2022	Dec 30, 2022
Federal Acquisition Regulation: Revision of Definition of “Commercial Item”; Correction 86 FR 64407 · FAC 2022-01	Nov 18, 2021	Dec 6, 2021
Federal Acquisition Regulation: Revision of Definition of “Commercial Item” 86 FR 61017 · FAC 2022-01	Nov 4, 2021	Dec 6, 2021
Federal Acquisition Regulation; Technical Amendments 84 FR 19839 · FAC 2019-02	May 6, 2019	May 6, 2019
Federal Acquisition Regulation; Technical Amendments 83 FR 42571 · FAC 2005-100	Aug 22, 2018	Aug 22, 2018
Federal Acquisition Regulation; Prohibition on Reimbursement for Congressional Investigations and Inquiries 82 FR 4732 · FAC 2005-95	Jan 13, 2017	Jan 13, 2017
Federal Acquisition Regulation: Limitation on Allowable Government Contractor Employee Compensation Costs 81 FR 67778 · FAC 2005-91	Sep 30, 2016	Sep 30, 2016
Federal Acquisition Regulation; OMB Circular Citation Update 81 FR 45852 · FAC 2005-89	Jul 14, 2016	Aug 15, 2016
Federal Acquisition Regulation; Technical Amendments 80 FR 53439 · FAC 2005-84	Sep 3, 2015	Sep 3, 2015
Federal Acquisition Regulation; Technical Amendments 79 FR 70348 · FAC 2005-78	Nov 25, 2014	Nov 25, 2014
Federal Acquisition Regulation; Allowability of Legal Costs for Whistleblower Proceedings 79 FR 43589 · FAC 2005-76	Jul 25, 2014	Jul 25, 2014
Federal Acquisition Regulation; Limitation on Allowable Government Contractor Compensation Costs 79 FR 35865 · FAC 2005-75	Jun 24, 2014	Jun 24, 2014
Federal Acquisition Regulation; Expansion of Applicability of the Senior Executive Compensation Benchmark 79 FR 31195 · FAC 2005-74	May 30, 2014	May 30, 2014
Federal Acquisition Regulation; Positive Law Codification of Title 41 79 FR 24192 · FAC 2005-73	Apr 29, 2014	May 29, 2014
Federal Acquisition Regulation; Technical Amendments 78 FR 70481 · FAC 2005-71	Nov 25, 2013	Nov 25, 2013
Federal Acquisition Regulation; Allowability of Legal Costs for Whistleblower Proceedings 78 FR 60173 · FAC 2005-70	Sep 30, 2013	Sep 30, 2013
Federal Acquisition Regulation; Expansion of Applicability of the Senior Executive Compensation Benchmark 78 FR 38535 · FAC 2005-68	Jun 26, 2013	Jun 26, 2013
Federal Acquisition Regulation; Updated Postretirement Benefit (PRB) References 78 FR 37696 · FAC 2005-67	Jun 21, 2013	Jul 22, 2013
Federal Acquisition Regulation; Unallowability of Costs Associated With Foreign Contractor Excise Tax 78 FR 6189 · FAC 2005-65	Jan 29, 2013	Feb 28, 2013
Federal Acquisition Regulation; Technical Amendments 78 FR 6191 · FAC 2005-65	Jan 29, 2013	Jan 29, 2013
Federal Acquisition Regulation; Government Property 77 FR 12937 · FAC 2005-56	Mar 2, 2012	Apr 2, 2012
Federal Acquisition Regulation; Updated Financial Accounting Standards Board Accounting References 77 FR 202 · FAC 2005-55	Jan 3, 2012	Feb 2, 2012
Federal Acquisition Regulation; Labor Relations Costs 76 FR 68040 · FAC 2005-54	Nov 2, 2011	Dec 2, 2011
Federal Acquisition Regulation; Compensation for Personal Services 76 FR 14571 · FAC 2005-50	Mar 16, 2011	Mar 16, 2011
Federal Acquisition Regulation; Limitation on Pass-Through Charges 75 FR 77741 · FAC 2005-47	Dec 13, 2010	Jan 12, 2011
Federal Acquisition Regulation; Definition of Cost or Pricing Data 75 FR 53135 · FAC 2005-45	Aug 30, 2010	Oct 1, 2010
Federal Acquisition Regulation; FAR Case 2008-011, Government Property 75 FR 38675 · FAC 2005-43	Jul 2, 2010	Aug 2, 2010
Federal Acquisition Regulation; FAR Case 2009-026, Compensation for Personal Services 75 FR 34285 · FAC 2005-42	Jun 16, 2010	Jun 16, 2010
Federal Acquisition Regulation; Technical Amendments 75 FR 34291 · FAC 2005-42	Jun 16, 2010	Jun 16, 2010
Federal Acquisition Regulation; FAR Case 2008-017, Federal Food Donation Act of 2008 (Pub. L. 110-247) 74 FR 65607 · FAC 2005-38	Dec 10, 2009	Dec 10, 2009
Federal Acquisition Regulation; FAR Case 2006-021, Postretirement Benefits (PRB), FAS 106 74 FR 65608 · FAC 2005-38	Dec 10, 2009	Jan 11, 2010
Federal Acquisition Regulation; FAR Case 2006-024, Travel Costs 74 FR 65612 · FAC 2005-38	Dec 10, 2009	Jan 11, 2010
Federal Acquisition Regulation; FAR Case 2008-031, Limitations on Pass-Through Charges 74 FR 52853 · FAC 2005-37	Oct 14, 2009	Oct 14, 2009
Federal Acquisition Regulation; FAR Case 2008-017, Federal Food Donation Act of 2008 74 FR 11829 · FAC 2005-31	Mar 19, 2009	Mar 19, 2009
Federal Acquisition Regulation; Technical Amendments 72 FR 46363 · FAC 2005-19	Aug 17, 2007	Aug 17, 2007
Federal Acquisition Regulation; FAR Case 2004-025, Government Property 72 FR 27364 · FAC 2005-17	May 15, 2007	Jun 14, 2007
Federal Acquisition Regulation; Technical Amendments 72 FR 6882 · FAC 2005-15 Addendum	Feb 13, 2007	Feb 12, 2007
Federal Acquisition Regulation; FAR Case 2004-018, Information Technology Security 71 FR 57360 · FAC 2005-13	Sep 28, 2006	Sep 28, 2006
Federal Acquisition Regulation; FAR Case 2004-014, Buy-Back of Assets 71 FR 36939 · FAC 2005-10	Jun 28, 2006	Jul 28, 2006
Federal Acquisition Regulation; Technical Amendments 70 FR 69100 · FAC 2005-06	Nov 14, 2005	Nov 14, 2005
Federal Acquisition Regulation; Accounting for Unallowable Costs 70 FR 57463 · FAC 2005-06	Sep 30, 2005	Oct 31, 2005
Federal Acquisition Regulation; Reimbursement of Relocation Costs on a Lump-Sum Basis 70 FR 57467 · FAC 2005-06	Sep 30, 2005	Oct 31, 2005
Federal Acquisition Regulation; Training and Education Cost Principle 70 FR 57470 · FAC 2005-06	Sep 30, 2005	Oct 31, 2005

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Quick answers

What is FAR Part 31?

FAR Part 31 is a part of the Federal Acquisition Regulation, titled "Contract Cost Principles and Procedures".

When was FAR Part 31 last changed?

The most recent final rule on record is "Federal Acquisition Regulation; Technical Amendments" (89 FR 30252), published Apr 22, 2024 and effective May 22, 2024.

Are changes to FAR Part 31 proposed?

No proposed rule from the last 3 years is waiting on a final rule.

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