46 C.F.R. § 127.120 Procedure for submittal of plans.
Title 46 - Shipping
If a vessel is to be constructed, altered, or repaired, the plans, information, and calculations required by this part must be submitted to— (a) The OCMI in the zone where the vessel is to be constructed, altered, or repaired; or (b) The Commanding Officer, Marine Safety Center, 400 Seventh Street SW., Washington, DC 20590–0001.
Title 46: Shipping
PART 127—CONSTRUCTION AND ARRANGEMENTS
Subpart A—Plan Approval
§ 127.120 Procedure for submittal of plans.

