SIXTY-SIXTH CONGRESS. Sess. III. Ch. 124. 1921. 1309 advanced from the Treasury to meet deficiencies in the postal revenues; employees whose pay is adjustable from time to time through wage boards or similar authority to accord with the commercial rates aid locally for the same class of service; employees of the Panama Canal on the Canal Zone; employees of the Alaskan Engineering Commission in Alaska; employees paid from lum sum appropriations in bureaus, divisions, commissions, or any other governmental agencies or employents created by law since January 1, 1916, except smgpziem. _ _ emplo ees of the Eited States Tariff Commission and the Bureau of of" °°““‘“°"°"* War Igisk Insurance, who shall be included, and officers and members of the Metropolitan police of the District of Columbia and the United reuse and firemen, States park police who receive the compensation fixed b the Act A¤¢c.PP·363,396. l approved December 5, 1919, and officers and members of the fire deg;rtment of the District of Columbia who receive the compensation ed by the Act approved January 24, 1920, shall receive increased compensation at the rate allowed b this section for other emplo ees. The provisions of this section shah not apply to employees wliose 0¤¤¤¤¤¤¤P¢i¤¤¤· duties require only a portion of their time, except charwomen, who shall be included· employees whose services are utilized for brief eriods at intervals; persons employed gy or through corporations, grms, or individuals acting for or on b alf of or as ents of the United States or any department or independent est ent of the Government of the United States in connection with construction work or the operation of plants; employees who receive a part of their ay from any outside sources under cooperative arrangements with the Government of the United States or the District of Co umbia; employees who serve voluntarily or receive only a nominal compensation, and employees who may be provided with special allowances because of then- service in foreign coimtries. The provisions of this ,§;P'“j*°g6,°*g;°m¤*gé section shall not aplply to employees of the railroads, express com- iimreci states empanies, tele raph, te ephone, marine cable, or radio system or systems P °y°“' taken overliy the United States, and nothing contained herein shall be deemed a recognition of the employees of such railroads, express companies, telegraph, telephone, marine cable, or radio system or systems as employees of the United States. Section 6 of the Legislative, Executive, and Judicial Appropriation ,,n'}_°,$,§g;};gc1g{_°,§f”* Act approved May 10, 1916, as amended by the Naval Appropriation Vol-39. p- ¤8¤· Act approved August 29, 1916, shall not operate to revent anyone from receiving the additional compensation providedp in this section who otherwise is entitled to receive the same. Such employees as are engaged on piecework, by the hour, or at “:*°°°"°"‘ °'“*’l°Y‘ per diem rates if otherwise entitled to receive the additional com- t_ggg¤1¤¤¤¤¢1¤¤ ¤<> de pensation, shall receive the same at the rate to which they are entitled ° p°y' in this section when their fixed rate of pa for the regular working hours and on the basis of three hundred and thirteen days in the said P [ fiscal year would amount to $2,500 or less: Provided, That this neguisé per mm method of computation shall not apply to any per diem employees °“‘*"°"°°°‘ °‘°°*"°“· reigarly aid a per diem for every day in the glear. _ much as may be necessary to pa? the ad `tional compensation ;,,$,§2,§";,‘,§§?°§, ],—£ provided in this section to employees o the Government of the United ml •=¤P*°Y·*=*- tates is appropriated out o any money in the Treasury not otherwise appropriated. A _ _ So much as may be necessary to pay the increased compensation pi,,§¥§€*’.§}"‘é‘Z,§‘£ provided in this section to employees of the government of the District ***;}*;*;;*:1*;} M, mm of Columbia is appropriated, 40 per centum out of any money in the mmm revenues. Treasury not otherwise approcpriated and 60 per centum out of the revenues of the District of olumbia, except to employees of the ml;f§§:,,°$}°;?{,m,?,$l Washington Aqueduct and the water department, which shall be °¤‘*°¤°¤°*°°'· paid entirely from the revenues of the water department, and to
