46 C.F.R. § 160.156-13
(c) Manufacturer requirements. To proceed with approval inspections and tests required by this section, the manufacturer must—
(3) Admit the Coast Guard inspector to any place where work or testing is performed on rescue boats or their component parts and materials for the purpose of—
(d) Tests.
(4) IMO Revised recommendation on testing. Each prototype rescue boat of each design must pass each of the tests for the applicable hull type described in the IMO Revised recommendation on testing, part 1, section 7 (incorporated by reference, see § 160.156-5 of this subpart). Tests must be conducted in accordance with these paragraphs of IMO Revised recommendation on testing, Part 1, with the following modifications:
(i) Fire retardancy/release mechanism and engine tests (Paragraphs 1/6.2, 6.9, 6.10, 6.14). The tests in the following IMO Revised recommendation on testing paragraphs may be accomplished independent of the rescue boat, and may be considered completed and need not be repeated if the tests have been previously shown to meet the following necessary requirements—
(5) Visual inspection. Each rescue boat must be visually inspected to confirm—
(g) After completion of approval inspections and tests required by this section, the manufacturer must comply with the requirements of 46 CFR 159.005-9(a)(5) by preparing and submitting to the Commandant for review—
(2) The final plans of the rescue boat as built. The plans must include—