61 STAT.] 80H CONG. , 1ST SESS.-CH. 268-JULY 18, 1947 393 regular wages, except for suggestions resulting in improvements or economy in the operation of any Government plant; and no moneys Work by private herein appropriated for the Naval Establishment or made available tion. therefor shall be used or expended under contracts hereafter made for the repair, purchase, or acquirement, by or from any private con- tractor, of any naval vessel, machinery, article, or articles that at the time of the proposed repair, purchase, or acquirement can be repaired, manufactured, or produced in each or any of the Government naval shipyards or arsenals of the United States, when time and facilities permit, and when, in the judgment of the Secretary, such repair, pur- chase, acquirement, or production would not involve an appreciable increase in cost to the Government, except when the repair, purchase, or acquirement, by or from any private contractor, would, in the opinion of the Secretary, be advantageous to the national defense. SEC. 104. No part of any appropriation contained in this Act shall citizeip require- be used directly or indirectly, except for temporary employment in ment for civilian per- case of emergency, for the payment of any civilian for services rendered oe by him on the Canal Zone while occupying a skilled, technical, clerical, administrative, executive, or supervisory position unless such person is a citizen of the United States of America or of the Republic of Panama: Provided,however, (1) That, notwithstanding the provision prnmplyment of in the Act approved August 11, 1939 (53 Stat. 1409), limiting employ- 48 U. 8 . C. § 1307 ment in the above-mentioned positions to citizens of the United States from and after the date of the approval of said Act, citizens of Panama may be employed in such positions; (2) that at no time shall the number of Panamanian citizens employed in the above-mentioned positions exceed the number of citizens of the United States so em- ployed, if United States citizens are available in continental United States or on the Canal Zone; (3) that nothing in this Act shall prohibit oEmpoyeSwith 15 the continued employment of any person who shall have rendered service. fifteen or more years of faithful and honorable service on the Canal Zone; (4) that in the selection of personnel for skilled, technical, election of p er- 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 mHoe yesmploy- 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 AtPPlicabllty of sc- 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 pi emtoer eneecy in whole or in part, compliance with this section in time of war or etc. national emergency if he should deem such course to be in the public interest: Provided further, That the President may, if he finds it necessary because of a shortage of housing, suspend, for the fiscal year 1948, the application of those portions of this section which require the employment of citizens of the Republic of Panama or of the United States in skilled, technical, clerical, administrative, executive, or supervisory positions. SEc. 105. No part of any appropriation contained in this Act shall etc., stris n gainst be used to pay the salary or wages of any person who engages in a thradvocatng over- strike against the Government of the United States or who is a member mnt. of an organization of Government employees that asserts the right to strike against the Government of the United States, or who advocates,
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