Section 3.12 - Licenses and Certificates(1) An individual who holds a Warrant Pilot Commission or a Full Branch Pilot Commission, must at all times, and as a condition to continued right to hold said Commission, possess the following duly issued, current and valid licenses and documents: (a) Second Mate Unlimited Tons upon Oceans, and Master of (oceans) self-propelled vessels less than 1600 gross registered tons Merchant Mariner Credential issued by the U.S. Coast Guard;(b) Valid Medical Certificate issued by the U.S. Coast Guard (CG-4610A),(c) Radar Observer endorsement issued by the U.S. Coast Guard;(d) Unlimited First Class Pilot's endorsement issued by the U.S. Coast Guard for routes and areas within District Two encompassed within the relevant Commission; and(e) Valid Transportation Workers Identification Credential (TWIC).(2) In the event any such license, endorsement, document or certificate of training becomes invalid or the holder loses the right to hold such license, endorsement, document or certificate, the holder will immediately inform the Commissioner and shall tender to the Commissioner the holder's Commission, which the Commissioner shall retain until the holder obtains all required licenses, endorsement, document or certificate.(3) The Commissioner, in consultation with federal and state regulators, and senior Full Branch Pilots, may impose new training standards that render Certificates of Training for new or different programs and equipment.Adopted by Mass Register Issue 1488, eff. 2/3/2023.