48 CFR · Federal Acquisition Regulation and Defense supplement
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The codified text (eCFR, as of 2026-10-02). Under the Revolutionary FAR Overhaul ↗, agencies follow class deviations with new text for many parts while the formal rules go through the Federal Register: check the solicitation and your contract's clauses, which rule.
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32 sections with “irrevocable”
- FAR 52.228-14 Irrevocable Letter of Credit.As prescribed in 28.204-4, insert the following clause: Irrevocable Letter of Credit (NOV 2014) (a) “Irrevocable letter of credit” (ILC), as used in this clause, means a written commitment by a federally insured financial institution to p…
- FAR 28.204-3 Irrevocable letter of credit.(a) Any person required to furnish a bond has the option to furnish a bond secured by an irrevocable letter of credit (ILC) in an amount equal to the penal sum required to be secured (see 28.204). A separate ILC is required for each bond. …
- FAR 52.227-14 Rights in Data—General.…actor grants to the Government, and others acting on its behalf, a paid-up, nonexclusive, irrevocable, worldwide license in such copyrighted data to reproduce, prepare derivative works, distribute copies to the public, and perform publicly …
- FAR 28.102-1 General.… of the following payment protections, giving particular consideration to inclusion of an irrevocable letter of credit as one of the selected alternatives: (i) A payment bond. (ii) An irrevocable letter of credit (ILC). (iii) A tripartit…
- FAR 52.227-13 Patent Rights—Ownership by the Government.…actor has retained title. (iii) Upon request, the Contractor shall furnish the agency an irrevocable power to inspect and make copies of the patent application file. (c) Minimum rights acquired by the Government. (1) Regarding each subjec…
- FAR 52.227-20 Rights in Data—SBIR Program.…ractor grants to the Government, and others acting on its behalf, a paid-up nonexclusive, irrevocable, worldwide license to reproduce, prepare derivative works, distribute copies to the public, and perform publicly and display publicly, by …
- DFARS 252.227-7038 Patent Rights—Ownership by the Contractor (Large Business).…ship of any subject invention, the Government shall have a nonexclusive, nontransferable, irrevocable, paid-up license to practice, or have practiced for or on behalf of the United States, the subject invention throughout the world. (e) Co…
- FAR 2.101 Definitions.…r the contract for supplies delivered or services performed (see also “proper invoice”). Irrevocable letter of credit means a written commitment by a federally insured financial institution to pay all or part of a stated amount of money, u…
- FAR 27.302 Policy.…) Government license. The Government shall have at least a nonexclusive, nontransferable, irrevocable, paid-up license to practice, or have practiced for or on behalf of the United States, any subject invention throughout the world. The Gov…
- FAR 27.303 Contract clauses.… request, copies of any patent application so identified. (iv) Furnish the Government an irrevocable power to inspect and make copies of the patent application file when a Government employee is a co-inventor. (3) Use the clause with its …
- FAR 27.404-3 Copyrighted works.… of the clause at 52.227-14, the contractor grants the Government a paid-up nonexclusive, irrevocable, worldwide license to reproduce, prepare derivative works, distribute to the public, perform publicly and display publicly by or on behalf…
- FAR 28.204-4 Contract clause.Insert the clause at 52.228-14, Irrevocable Letter of Credit, in solicitations and contracts for services, supplies, or construction, when a bid guarantee, or performance bonds, or performance and payment bonds are required.
- FAR 32.202-4 Security for Government financing.…actor.” (d) Other forms of security. Other acceptable forms of security include— (1) An irrevocable letter of credit from a federally insured financial institution; (2) A bond from a surety, acceptable in accordance with part 28 (note th…
- FAR 52.227-11 Patent Rights—Ownership by the Contractor.…ship of any subject invention, the Government shall have a nonexclusive, nontransferable, irrevocable, paid-up license to practice, or have practiced for or on its behalf, the subject invention throughout the world. (e) Contractor action t…
- FAR 52.227-17 Rights in Data—Special Works.…actor grants to the Government, and others acting on its behalf, a paid-up, nonexclusive, irrevocable, worldwide license for all delivered data to reproduce, prepare derivative works, distribute copies to the public, and perform publicly an…
- FAR 52.227-18 Rights in Data—Existing Works.…ractor grants to the Government, and others acting on its behalf, a paid-up nonexclusive, irrevocable, worldwide license to reproduce, prepare derivative works, and perform publicly and display publicly, by or on behalf of the Government, f…
- FAR 52.228-1 Bid Guarantee.…eties acceptable to the Government, postal money order, certified check, cashier's check, irrevocable letter of credit, or, under Treasury Department regulations, certain bonds or notes of the United States. The Contracting Officer will ret…
- FAR 52.228-2 Additional Bond Security.… sum of any bond becomes inadequate in the opinion of the Contracting Officer; or (d) An irrevocable letter of credit (ILC) used as security will expire before the end of the period of required security. If the Contractor does not furnish …
- FAR 52.228-15 Performance and Payment Bonds—Construction.…y other acceptable security such as postal money order, certified check, cashier's check, irrevocable letter of credit, or, in accordance with Treasury Department regulations, certain bonds or notes of the United States. Treasury Circular 5…
- FAR 52.228-16 Performance and Payment Bonds—Other Than Construction.…y other acceptable security such as postal money order, certified check, cashier's check, irrevocable letter of credit, or, in accordance with Treasury Department regulations, certain bonds or notes of the United States. Treasury Circular 5…
- DFARS 227.7103-4 License rights.…The Government obtains rights in technical data, including a copyright license, under and irrevocable license granted or obtained for the Government by the contractor. The contractor or licensor retains all rights in the data not granted to…
- DFARS 227.7105-2 Acquisition of existing works without modification.…-7021 provides the Government, and others acting on its behalf, a paid-up, non-exclusive, irrevocable, world-wide license to reproduce, prepare derivative works and publicly perform or display the works called for by a contract and to autho…
- DFARS 227.7203-4 License rights.…uter software or computer software documentation, including a copyright license, under an irrevocable license granted or obtained by the contractor which developed the software or documentation or the licensor of the software or documentati…
- DFARS 252.227-7004 License grant.…gnments: License Grant (AUG 1984) (a) The Contractor hereby grants to the Government an irrevocable, nonexclusive, nontransferable, and paid up license under the following patents, applications for patent, and any patents granted on such …
- DFARS 252.227-7006 License grant—running royalty.…ractor hereby grants to the Government, as represented by the Secretary of __________, an irrevocable, nonexclusive, nontransferable license under the following patents, applications for patent, and any patents granted on such applications,…
- DFARS 252.227-7013 Rights in Technical Data—Other Than Commercial Products and Commercial Services.…s or shall obtain for the Government the following royalty free, worldwide, nonexclusive, irrevocable license rights in technical data other than computer software documentation (see the DFARS 252.227-7014, Rights in Other Than Commercial C…
- DFARS 252.227-7014 Rights in Other Than Commercial Computer Software and Other Than Commercial Computer Software Documentation.… or shall obtain for the Government the following royalty free, worldwide , nonexclusive, irrevocable license rights in other than commercial computer software or computer software documentation. All rights not granted to the Government are…
- DFARS 252.227-7018 Rights in Other Than Commercial Technical Data and Computer Software—Small Business Innovation Research Program and Small Business Technology Transfer Program.…s or shall obtain for the Government the following royalty-free, worldwide, nonexclusive, irrevocable license rights in technical data or other than commercial computer software. All rights not granted to the Government are retained by the …
- DFARS 252.227-7020 Rights in special works.…”. (3) The Contractor grants to the Government a royalty-free, world-wide, nonexclusive, irrevocable license to reproduce, prepare derivative works from, distribute, perform, or display, and to have or authorize others to do so, the Contra…
- DFARS 252.227-7039 Patents—reporting of subject inventions.…tor has retained title. (d) Upon request, the Contractor shall furnish the Government an irrevocable power to inspect and make copies of the patent application file. (End of clause)
- DFARS 252.232-7012 Performance-Based Payments—Whole-Contract Basis.…y in the contract, consistent with FAR 32.202-4: (A) A paramount lien on assets. (B) An irrevocable letter of credit from a federally insured financial institution. (C) A bond from a surety, acceptable in accordance with FAR part 28. (D…
- DFARS 252.232-7013 Performance-Based Payments—Deliverable-Item Basis.…y in the contract, consistent with FAR 32.202-4: (A) A paramount lien on assets. (B) An irrevocable letter of credit from a federally insured financial institution. (C) A bond from a surety, acceptable in accordance with FAR part 28. (D…
FAR (chapter 1)
- Part 1 Federal Acquisition Regulations System 58 sections
- Part 2 Definitions of Words and Terms 3 sections
- Part 3 Improper Business Practices and Personal Conflicts of Interest 98 sections
- Part 4 Administrative and Information Matters 116 sections
- Part 5 Publicizing Contract Actions 34 sections
- Part 6 Competition Requirements 34 sections
- Part 7 Acquisition Planning 34 sections
- Part 8 Required Sources of Supplies and Services 67 sections
- Part 9 Contractor Qualifications 106 sections
- Part 10 Market Research 4 sections
- Part 11 Describing Agency Needs 33 sections
- Part 12 Acquisition of Commercial Products and Commercial Services 38 sections
- Part 13 Simplified Acquisition Procedures 49 sections
- Part 14 Sealed Bidding 82 sections
- Part 15 Contracting by Negotiation 81 sections
- Part 16 Types of Contracts 74 sections
- Part 17 Special Contracting Methods 50 sections
- Part 18 Emergency Acquisitions 34 sections
- Part 19 Small Business Programs 126 sections
- Part 22 Application of Labor Laws to Government Acquisitions 205 sections
- Part 23 Environment, Sustainable Acquisition, and Material Safety 38 sections
- Part 24 Protection of Privacy and Freedom of Information 10 sections
- Part 25 Foreign Acquisition 81 sections
- Part 26 Other Socioeconomic Programs 36 sections
- Part 27 Patents, Data, and Copyrights 59 sections
- Part 28 Bonds and Insurance 61 sections
- Part 29 Taxes 23 sections
- Part 30 Cost Accounting Standards Administration 30 sections
- Part 31 Contract Cost Principles and Procedures 87 sections
- Part 32 Contract Financing 175 sections
- Part 33 Protests, Disputes, and Appeals 23 sections
- Part 34 Major System Acquisition 20 sections
- Part 35 Research and Development Contracting 25 sections
- Part 36 Construction and Architect-engineer Contracts 81 sections
- Part 37 Service Contracting 46 sections
- Part 38 Federal Supply Schedule Contracting 3 sections
- Part 39 Acquisition of Information Technology 14 sections
- Part 40 Information Security and Supply Chain Security 12 sections
- Part 41 Acquisition of Utility Services 17 sections
- Part 42 Contract Administration and Audit Services 84 sections
- Part 43 Contract Modifications 14 sections
- Part 44 Subcontracting Policies and Procedures 24 sections
- Part 45 Government Property 33 sections
- Part 46 Quality Assurance 60 sections
- Part 47 Transportation 106 sections
- Part 48 Value Engineering 13 sections
- Part 49 Termination of Contracts 108 sections
- Part 50 Extraordinary Contractual Actions and the Safety Act 34 sections
- Part 51 Use of Government Sources by Contractors 15 sections
- Part 52 Solicitation Provisions and Contract Clauses 680 sections
- Part 53 Forms 61 sections
DFARS (chapter 2, Defense)
- Part 201 Federal Acquisition Regulations System 24 sections
- Part 202 Definitions of Words and Terms 1 sections
- Part 203 Improper Business Practices and Personal Conflicts of Interest 28 sections
- Part 204 Administrative and Information Matters 76 sections
- Part 205 Publicizing Contract Actions 11 sections
- Part 206 Competition Requirements 20 sections
- Part 207 Acquisition Planning 22 sections
- Part 208 Required Sources of Supplies and Services 31 sections
- Part 209 Contractor Qualifications 55 sections
- Part 210 Market Research 2 sections
- Part 211 Describing Agency Needs 22 sections
- Part 212 Acquisition of Commercial Products and Commercial Services 24 sections
- Part 213 Simplified Acquisition Procedures 23 sections
- Part 214 Sealed Bidding 14 sections
- Part 215 Contracting by Negotiation 66 sections
- Part 216 Types of Contracts 36 sections
- Part 217 Special Contracting Methods 64 sections
- Part 218 Emergency Acquisitions 7 sections
- Part 219 Small Business Programs 47 sections
- Part 222 Application of Labor Laws to Government Acquisitions 56 sections
- Part 223 Environment, Sustainable Acquisition, and Material Safety 34 sections
- Part 224 Protection of Privacy and Freedom of Information 2 sections
- Part 225 Foreign Acquisition 251 sections
- Part 226 Other Socioeconomic Programs 14 sections
- Part 227 Patents, Data, and Copyrights 99 sections
- Part 228 Bonds and Insurance 17 sections
- Part 229 Taxes 9 sections
- Part 230 Cost Accounting Standards Administration 2 sections
- Part 231 Contract Cost Principles and Procedures 13 sections
- Part 232 Contract Financing 74 sections
- Part 233 Protests, Disputes, and Appeals 8 sections
- Part 234 Major System Acquisition 13 sections
- Part 235 Research and Development Contracting 16 sections
- Part 236 Construction and Architect-engineer Contracts 25 sections
- Part 237 Service Contracting 67 sections
- Part 239 Acquisition of Information Technology 38 sections
- Part 241 Acquisition of Utility Services 8 sections
- Part 242 Contract Administration and Audit Services 40 sections
- Part 243 Contract Modifications 18 sections
- Part 244 Subcontracting Policies and Procedures 13 sections
- Part 245 Government Property 23 sections
- Part 246 Quality Assurance 39 sections
- Part 247 Transportation 27 sections
- Part 249 Termination of Contracts 14 sections
- Part 250 Extraordinary Contractual Actions and the Safety Act 16 sections
- Part 251 Use of Government Sources by Contractors 5 sections
- Part 252 Solicitation Provisions and Contract Clauses 405 sections
- Part 253 Forms 10 sections
- Part 270 Defense Contracting Programs 7 sections
Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Rule changes in progress: FAR, DFARS. Terms: glossary.