Pub. L. 82-470, tit. IV, sec. 403

Sec. 403. No part of any appropriation or authorization contained in this Act shall be used to pay the compensation of any incumbent appointed to any civil office or position which may become vacant during the fiscal year beginning on July 1, 1952: Provided, That this inhibition shall not apply to— (a) not to exceed 25 per centum of all vacancies; (b) positions filled from within the department; (c) offices or positions required by law to be filled by appointment of the President and with the advice and consent of the Senate; 66 Stat. 463 (d) positions the personnel of which are engaged in health and safety, law enforcement, soil and moisture, and activities in the field, exclusive of administrative personnel not directly connected with such activities; (e) seasonal and casual workers; (f) employees of the Bureau of Mines; (g) employees of the Geological Survey; (h) employees in grades CPC 1, 2, and 3; (i) salaries and expenses, Office of the Secretary; (j) employees paid wholly from trust funds, or funds derived by transfer from trust accounts, or to employees paid from appropriation of, or measured by, receipts: Provided further, That when the total number of personnel subject to this section has been reduced to 90 per centum of the total provided for in the budget estimates, such limitation may cease to apply and said 90 per centum shall become a ceiling for employment during the fiscal year 1953, and if exceeded at any time during fiscal year 1953 this provision shall again become operative.