48 CFR § 1.705 - 1.705 Supersession and modification.
---
identifier: "/us/cfr/t48/s1.705"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "48 CFR § 1.705 - 1.705 Supersession and modification."
title_number: 48
title_name: "Federal Acquisition Regulations System"
section_number: "1.705"
section_name: "1.705 Supersession and modification."
chapter_number: 1
chapter_name: "FEDERAL ACQUISITION REGULATION"
subchapter_number: "A"
subchapter_name: "GENERAL"
part_number: "1"
part_name: "FEDERAL ACQUISITION REGULATIONS SYSTEM"
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 42103, Sept. 19, 1983, unless otherwise noted."
cfr_part: "1"
---
# 1.705 1.705 Supersession and modification.
(a) If a D&F is superseded by another D&F, that action shall not render invalid any action taken under the original D&F prior to the date of its supersession.
(b) The contracting officer need not cancel the solicitation if the D&F, as modified, supports the contract action.
[50 FR 1726, Jan. 11, 1985, and 50 FR 52429, Dec. 23, 1985, as amended at 67 FR 13053, Mar. 20, 2002]