# Defense Federal Acquisition Regulation Supplement; Multiyear Contracting (DFARS Case 2009-D026)
> **Defense Federal Acquisition Regulations System** · Final rule. · Published 2011-09-20 · Effective 2011-09-20 · 76 FR 58152
## Document
- **Document number:** 2011-23963
- **Category:** dfars-acquisition
- **Sub-agency:** Defense Federal Acquisition Regulations System
- **Federal Register citation:** 76 FR 58152
- **CFR reference:** 48 CFR 217
- **Publication date:** 2011-09-20
- **Effective date:** 2011-09-20
## Abstract

DoD is issuing a final rule amending the Defense Federal Acquisition Regulation Supplement (DFARS) to update and clarify the requirements for multiyear contracting.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/09/20/2011-23963/defense-federal-acquisition-regulation-supplement-multiyear-contracting-dfars-case-2009-d026)
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