46 CFR § 164.019-9 - Procedure for acceptance of revisions of design, process, or materials.

---
identifier: "/us/cfr/t46/s164.019-9"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 164.019-9 - Procedure for acceptance of revisions of design, process, or materials."
title_number: 46
title_name: "Shipping"
section_number: "164.019-9"
section_name: "Procedure for acceptance of revisions of design, process, or materials."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "Q"
subchapter_name: "EQUIPMENT, CONSTRUCTION, AND MATERIALS: SPECIFICATIONS AND APPROVAL"
part_number: "164"
part_name: "MATERIALS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 3306, 3703, 4302; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation 00170.1, Revision No. 01.4."
cfr_part: "164"
---


# 164.019-9 Procedure for acceptance of revisions of design, process, or materials.

(a) The manufacturer shall not change the design, material, manufacturing process, or construction of a non-standard component unless it has been previously approved by the Commandant, in accordance with paragraph (b) of this section.

(b) The manufacturer or the recognized laboratory that performs the acceptance testing required by the applicable subpart of this part or part 160 of this chapter shall submit requests for acceptance of revisions in design, material, manufacturing process, or construction of a non-standard component in writing and describe the revision in detail similar to the original request for acceptance.