46 C.F.R. § 10.215 Modification or removal of limitations.
Title 46 - Shipping
(a) If an Officer in Charge, Marine Inspection, is satisfied by the documentary evidence submitted that an applicant is entitled by experience, training, and knowledge to an endorsement or increase in the scope of any license held, any limitations which were previously placed upon the license by that OCMI may be changed. Such an increase in scope may include horsepower or tonnage limitations, or geographic route restrictions. (b) An OCMI may not change a limitation on any license which that office did not place thereon before full information regarding the reason for the limitation is obtained from the OCMI responsible for the limitation. (c) No limitation on any license may be changed before the applicant has made up any deficiency in the experience prescribed for the license or endorsement desired and passed any necessary examination.
Title 46: Shipping
PART 10—LICENSING OF MARITIME PERSONNEL
Subpart B—General Requirements for All Licenses and Certificates of Registry
§ 10.215 Modification or removal of limitations.

