TERRITORIAL EXTENT OF LAW.

SEC. 109. TERRITORIAL EXTENT OF LAW. Section 4774 of the Internal Revenue Code of 1954 (territorial extent of certain laws relating to narcotic drugs and marihuana) is amended by adding at the end thereof the following: “On and after the effective date of the Narcotic Control Act of 1956, the provisions referred to in the preceding sentence shall not apply to the Commonwealth of Puerto Rico unless the legislative Assembly of the Commonwealth of Puerto Rico expressly consents thereto in the manner prescribed in the constitution of the Commonwealth of Puerto Rico for the enactment of a law.”.