CFR › Title 46 › Part 36 › §36.30-146 CFR §36.30-1Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Lagged tanks shall have part of the lagging removed on the lower portion of the cargo tanks as directed by the marine inspector, at least once every eight years for external examination.(b)[Reserved]