46 CFR § 13.117
Re-issuance of expired tankerman endorsements
April 15, 2021
Whenever an applicant applies for re-issuance of an endorsement as any tankerman rating more than 12 months after expiration of the previous endorsement, the applicant must meet the requirements for an original endorsement.
[USCG-2004-17914, 78 FR 77988, Dec. 24, 2013]