46 CFR §154.453
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
If the Commandant (CG-ENG) determines during plan review, that a tank designed as an independent tank type C fails to meet the standards under § 154.450, § 154.451, and 154.452 and cannot be redesigned to meet those standards, the tank may be redesigned as an independent tank type A or B.