Article 63
ART. 63. Existing Petroleum Drilling Leases and petroleum mining claims may come under the provisions of this Act—Holders of Petroleum Drilling Leases under the provisions of the Petroleum Act (Act No. 2932) and of petroleum mining claims located and held under the provisions of the Act of Congress of July first, nineteen hundred and two, as amended, may surrender their rights thereto filing applications with the Secretary of Agriculture Natural Resources for Exploitation Concessions under provisions of this Act, and the latter may, upon receipt such applications, grant Exploitation Concessions covering the same, subject to all the conditions, obligations, and provided for under this