48 CFR § 4.1000 - 4.1000 Scope.
---
identifier: "/us/cfr/t48/s4.1000"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "48 CFR § 4.1000 - 4.1000 Scope."
title_number: 48
title_name: "Federal Acquisition Regulations System"
section_number: "4.1000"
section_name: "4.1000 Scope."
chapter_number: 1
chapter_name: "FEDERAL ACQUISITION REGULATION"
subchapter_number: "A"
subchapter_name: "GENERAL"
part_number: "4"
part_name: "ADMINISTRATIVE AND INFORMATION MATTERS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "41 U.S.C. 1121(b); 40 U.S.C. 121(c); 10 U.S.C. chapter 4 and 10 U.S.C. chapter 137 legacy provisions (see 10 U.S.C. 3016); and 51 U.S.C. 20113."
regulatory_source: "48 FR 42113, Sept. 19, 1983, unless otherwise noted."
cfr_part: "4"
---
# 4.1000 4.1000 Scope.
This subpart prescribes policies and procedures for assigning line items and subline items and their identifiers. However, in order to provide agencies with time to transition their information systems, agencies have until October 1, 2019, to apply the requirements of 4.1002 through 4.1008.