CFR › Title 33 › Part 150 › §150.52133 CFR §150.521Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)The operator must maintain a record of each test and inspection under § 150.520 of this part on the deepwater port, or in the operator's principal office in the case of an unmanned deepwater port, for at least 2 years.(b)The record must show:(1)The date of each test and inspection;(2)The number or other identification of each fire extinguisher or system tested or inspected; and(3)The name of the person who conducted the test or inspection and the name of the company that person represents.