63 STAT.] 81T CONG., IST SESS. -CH. 787-OCT. 29, 1949 the number of Panamanian citizens employed in the above-mentioned positions exceed the number of citizens of the United States so employed, if United States citizens are available in continental United States or on the Canal Zone; (3) that nothing in this Act shall prohibit the continued employment of any person who shall have rendered fifteen or more years of faithful and honorable service on the Canal Zone; (4) that in the selection of personnel for skilled, technical, administrative, clerical, supervisory, or executive positions, the con- trolling factors in filling these positions shall be efficiency, experience, training, and education; (5) that all citizens of Panama and the United States rendering skilled, technical, clerical, administrative, executive, or supervisory service on the Canal Zone under the terms of this Act (a) shall normally be employed not more than forty hours per week, (b) may receive as compensation equal rates of pay based upon rates paid for similar employment in continental United States plus 25 per centum; (6) this entire section shall apply only to persons employed in skilled, technical, clerical, administrative, executive, or supervisory positions on the Canal Zone directly or indirectly by any branch of the United States Government or by any corporation or company whose stock is owned wholly or in part by the United States Government: Providedfurther, That the President may suspend from time to time in whole or in part compliance with this section if he should deem such course to be in the public interest. SEC. 630. The powers and duties vested in the Secretaries of the Army and the Navy with respect to civil-service employees of their Departments by section 3 of the Act of December 17, 1942 (56 Stat. 1053), shall, during the current fiscal year, be vested also in the Secretary of Defense with respect to civil-service employees of all agencies of the National Military Establishment other than the Depart- ment of the Army, Navy, and Air Force, and in the Secretary of the Air Force with respect to civil-service employees of the Department of the Air Force. The provisions of section 6 of the Act of August 24, 1912 (37 Stat. 555), shall not apply to any civil-service employees with regard to whom the powers granted in this section are exercised: Provided, That nothing in this section shall repeal or modify any existing powers and duties of the Secretary of Defense, the Secretary of the Navy, the Secretary of the Army or the Secretary of the Air Force under section 3 of the Act of December 17, 1942 (56 Stat. 1053). SEC. 631. No funds herein appropriated shall be available to pay for the services or support of personnel enlisted after enactment of this Appropriation Act under the provisions of section 4 (g) of the Selective Service Act of 1948 (Public Law 759, Eightieth Congress). SEC. 632. (a) Insofar as practicable, the Secretary of Defense shall assist American small business to participate equitably in the fur- nishing of commodities and services financed with funds appropriated under this Act by making available or causing to be made available to suppliers in the United States, and particularly to small independ- ent enterprises, information, as far in advance as possible, with respect to purchases proposed to be financed with funds appropriated under this Act, and by making available or causing to be made avail- able to purchasing and contracting agencies of the National Military Establishment information as to commodities and services produced and furnished by small independent enterprises in the United States, and by otherwise helping to give small business an opportunity to participate in the furnishing of commodities and services financed with funds appropriated by this Act. (b) The Secretary shall appoint or assign a special assistant to a advise and assist him in carrying out the foreging subsection (a). Spedal assistant to Bertary. 1023 Employees with 15 or more years of serv- ice. Selection of person- nel. Hours of employ- ment; pay rates. Applicability of seo- tion. Suspension of com- pliance. Civil-service em- ployees. 6 U.S.C . § 662 note. 6 U. S. C., Supp.II, 652. One-year enlist- ments. 62 Stat. 608. 50 U.S.C. Supp. II app. 44 (4g. Assstance to Ameri- can small business.