46 CFR § 153.1502
Fixed ballast relocation
April 15, 2021
No person may remove or relocate fixed ballast unless:
(a) The change is approved by the Commandant (CG-ENG); or
(b) The ballast is temporarily moved under the supervision of a Coast Guard Marine Inspector for examination or repair of the tankship.
[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 82-063b, 48 FR 4782, Feb. 3, 1983]