Section 15
SEC. 15. before issuing a license to any applicant for the position of master or engineer, the Insular Collector of Customs shall receive from such applicant the sum of ten dollars in compensation for his examination and license, and for the same service shall demand and receive from every mate, patron, or assistant engineer the sum of five dollars, money of the United States. The sums thus collected shall be paid by the Insular Collector of Customs into the Insular Treasury.