33 C.F.R. § 157.24
The owner, builder or designer of a new vessel to which this part applies shall submit the documentation specified in this section to the Coast Guard before that vessel enters the navigable waters of the United States. The owner, builder, or designer of a vessel that must comply with § 157.10d shall submit the documentation specified in this section to the Coast Guard before that vessel enters the navigable waters of the United States or the U.S. Exclusive Economic Zone.
(a) Calculations to substantiate compliance with the tank arrangement and size requirements under § 157.19, or a letter from the government of the vessel's flag state that certifies compliance with:
(c) Plans and calculations to substantiate compliance with the applicable segregated ballast and double hull requirements in § 157.09, § 157.10, § 157.10a, § 157.10b, or § 157.10d, or certification from the government of the vessel's flag state that the vessel complies with the segregated ballast and double hull requirements in:
(d) Plans and specifications for the vessel that include:
[CGD 75-240, 41 FR 54180, Dec. 13, 1976, as amended by CGD 77-058b, 45 FR 43708, June 30, 1980; CGD 79-152, 45 FR 82250, Dec. 15, 1980; CGD 90-051, 57 FR 36244, Aug. 12, 1992; USCG-2000-7641, 66 FR 55573, Nov. 2, 2001]