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FAR and DFARS › DFARS Part 243: Contract Modifications › Subpart 243.1

DFARS 243.107-70 Notification of substantial impact on employment.

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 section addresses situations where modifying a major defense contract or subcontract will substantially impact employment. It requires the Secretary of Defense to notify the Secretary of Labor, and the prescribed clause requires the contractor to notify its employees, subcontractors, and State and local officials. It matters to contractors because a qualifying contract modification triggers notification duties on their part.

Applies to: Contractors holding major defense contracts or subcontracts that are modified with a substantial employment impact

What it requires

  • Notify employees when a contract modification will have a substantial impact on employment
  • Notify subcontractors when a contract modification will have a substantial impact on employment
  • Notify State and local officials when a contract modification will have a substantial impact on employment

Key terms: major defense contract · substantial impact on employment · contract modification · subcontractor

Written by AI from this section's text. A guide, not legal advice: the text below rules.

The text

The Secretary of Defense is required to notify the Secretary of Labor if a modification of a major defense contract or subcontract will have a substantial impact on employment. The clause prescribed at 249.7003(c) requires that the contractor notify its employees, its subcontractors, and State and local officials when a contract modification will have a substantial impact on employment.

Sections it refers to

  • 249.7003 Notification of anticipated contract terminations or reductions.

243.170 Identification of foreign military sale (FMS) requirements. →

Rule changes for DFARS Part 243

Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Plain words for the terms: glossary.