FAR and DFARS › FAR Part 52: Solicitation Provisions and Contract Clauses › Subpart 52.2
FAR 52.216-23 Execution and Commencement of Work.
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.
In plain English
This clause tells a contractor how to accept a letter contract and when to start work. The contractor must sign three copies and return them to the Contracting Officer by the date filled into the clause. Once both parties accept, the contractor must begin performance, including buying necessary materials.
Applies to: Contractors under a letter contract, when this clause is included in the solicitation or contract
What it requires
- Sign three copies of the letter contract and return them to the Contracting Officer by the date inserted in the clause
- Proceed with performance of the work, including purchasing necessary materials, once both parties accept
Key terms: letter contract · Contracting Officer · acceptance · performance of the work
Written by AI from this section's text. A guide, not legal advice: the text below rules.
The text
As prescribed in 16.603-4(b)(1), insert the following clause in solicitations and contracts when a letter contract is contemplated, except that it may be omitted from letter contracts awarded on SF 26:
Execution and Commencement of Work (APR 1984)
The Contractor shall indicate acceptance of this letter contract by signing three copies of the contract and returning them to the Contracting Officer not later than ___ [insert date]. Upon acceptance by both parties, the Contractor shall proceed with performance of the work, including purchase of necessary materials.
(End of clause)
← 52.216-22 Indefinite Quantity. · 52.216-24 Limitation of Government Liability. →
Rule changes for FAR Part 52
- Federal Acquisition Regulation: Revolutionary FAR Overhaul Parts 8, 12, 13, 15, 38, 44, and 51 ↗ · proposed 2026-09-18 · comments due 2026-10-19
- Federal Acquisition Regulation: Revolutionary Federal Acquisition Regulation Overhaul Parts 16, 17, and 35 ↗ · proposed 2026-09-18 · comments due 2026-10-19
- Federal Acquisition Regulation: Revolutionary Federal Acquisition Regulation Overhaul Parts 9, 27, and 47 ↗ · proposed 2026-09-18 · comments due 2026-10-19
- Federal Acquisition Regulation: Revolutionary Federal Acquisition Regulation Overhaul Parts 14, 28, 36, and 52 ↗ · proposed 2026-09-18 · comments due 2026-10-19
- Federal Acquisition Regulation: Revolutionary Federal Acquisition Regulation Overhaul Parts 3 and 49 ↗ · proposed 2026-06-23 · comments due 2026-07-23
- Federal Acquisition Regulation: Revolutionary Federal Acquisition Regulation Overhaul Parts 5, 24, and 29 ↗ · proposed 2026-06-23 · comments due 2026-07-23
- Federal Acquisition Regulation: Revolutionary Federal Acquisition Regulation Overhaul Parts 6, 7, 10, 18, 26, 37, and 41 ↗ · proposed 2026-06-23 · comments due 2026-07-23
- Federal Acquisition Regulation: Revolutionary Federal Acquisition Regulation Overhaul Parts 1, 2, 4, 33, 39, 40, and 53 ↗ · proposed 2026-06-23 · comments due 2026-07-23
Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Plain words for the terms: glossary.