Section 174
SEC. 174. In the assessment of duties upon merchandise subject; to and valorem rate of duty, or to a duty based upon or regulated in any manner by the value thereof, the kind of money expressed in the invoice shall be reduced to the currency of the United States at the rate of value of foreign money, as established by the Secretary of the Treasury of the United States upon the first days of January, April, July, and October of every year. The date of the invoices will indicate the value of the money, but the reduction of insular or local currency of the United States shall be at the ratio fixed for the current quarter by the Civil Governor in accordance with law.