10 USC § 4373 - Unit cost reports: immediate report from program manager to service acquisition executive upon breach of significant cost growth threshold

---
identifier: "/us/usc/t10/s4373"
source: "usc"
legal_status: "official_legal_evidence"
title: "10 USC § 4373 - Unit cost reports: immediate report from program manager to service acquisition executive upon breach of significant cost growth threshold"
title_number: 10
title_name: "ARMED FORCES"
section_number: "4373"
section_name: "Unit cost reports: immediate report from program manager to service acquisition executive upon breach of significant cost growth threshold"
chapter_number: 325
chapter_name: "COST GROWTH—UNIT COST REPORTS (NUNN-MCCURDY)"
part_number: "V"
part_name: "ACQUISITION"
positive_law: true
currency: "119-84"
last_updated: "2026-04-17"
format_version: "1.1.0"
generator: "[email protected]"
source_credit: "(Added and amended Pub. L. 116–283, div. A, title XVIII, § 1850(a), (f), Jan. 1, 2021, 134 Stat. 4265, 4266.)"
---


# § 4373. Unit cost reports: immediate report from program manager to service acquisition executive upon breach of significant cost growth threshold

section 4372 of this titlesection 4372 of this title

If the program manager of a major defense acquisition program for which a unit cost report has previously been submitted under  determines at any time during a quarter that there is reasonable cause to believe that the program acquisition unit cost for the program (or for a designated major subprogram under the program) or the procurement unit cost for the program (or for such a subprogram), as applicable, has increased by a percentage equal to or greater than the significant cost growth threshold; and if a unit cost report indicating an increase of such percentage or more has not previously been submitted to the service acquisition executive designated by the Secretary concerned, then the program manager shall immediately submit to such service acquisition executive a unit cost report containing the information, determined as of the date of the report, required under .

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**Source Credit**: (Added and amended Pub. L. 116–283, div. A, title XVIII, § 1850(a), (f), Jan. 1, 2021, 134 Stat. 4265, 4266.)

## Editorial Notes

### Codification

The text of subsec. (c) of , which was transferred to this section and amended by , was based on , , , § 139b; , , ; renumbered § 2433, , , ; , , ; , , ; , , ; , , ; , §§ 3002(a)(2)(A), 3003(a)(2)(A), (c), , , 3329; , (b), , , 1843; , , ; , [div. A], title VIII, § 811(c)(3), , .

### Amendments

2021—, transferred subsec. (c) of  to this section, struck out subsec. designation, and substituted “” for “subsection (b)” in two places.

## Statutory Notes and Related Subsidiaries

### Effective Date

Section and amendment by  effective , with additional provisions for delayed implementation and applicability of existing law, see , set out as an Effective Date of 2021 Amendment note preceding .