48 CFR § 2031.109-70 - 2031.109-70 Contract clauses.

---
identifier: "/us/cfr/t48/s2031.109-70"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "48 CFR § 2031.109-70 - 2031.109-70   Contract clauses."
title_number: 48
title_name: "Federal Acquisition Regulations System"
section_number: "2031.109-70"
section_name: "2031.109-70   Contract clauses."
chapter_number: 20
chapter_name: "NUCLEAR REGULATORY COMMISSION"
subchapter_number: "E"
subchapter_name: "GENERAL CONTRACTING REQUIREMENTS"
part_number: "2031"
part_name: "CONTRACT COST PRINCIPLES AND PROCEDURES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 2201; 42 U.S.C. 5841; 41 U.S.C. 418(b)."
regulatory_source: "64 FR 49335, Sept. 10, 1999, unless otherwise noted."
cfr_part: "2031"
---


# 2031.109-70 2031.109-70   Contract clauses.

The contracting officer shall insert the clause at 2052.231-70, Precontract Costs, in all cost type contracts when costs in connection with work under the contract will be incurred by the contractor before the effective date of the contract. Approval for use of this clause must be obtained at one level above the contracting officer.