StacksVerified U.S. regulatory reference

33 CFR §157.218

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The dedicated clean ballast tanks or equipment on a tank vessel that has a letter issued under § 157.204 may not be altered so that they no longer meet the plans accepted under that section unless:
  1. (a)The owner or operator of that vessel submits plans that show the alterations to the Coast Guard official to which the plans were submitted under § 157.200 or § 157.202;
  2. (b)The owner or operator of that vessel submits changes to the manual under § 157.224 that show and describe the alterations to the Coast Guard official to which the manuals were submitted under § 157.206 or § 157.208; and
  3. (c)The Coast Guard issues to the tank vessel an amending letter stating that the vessel, as altered, complies with this subpart.