63 STAT.] 81ST GONG. , 1 ST SESS.-CH. 286-JUNE 30, 1949 Superintendent, United States Coast Guard Academy, to be expended in his discretion (14 U. S. C. 15k) ; payment of rewards for the appre- hension and conviction, or for information helpful therein, of persons found interfering in violation of law with aids to navigation main- tained by the Coast Guard (14 U. S. C . 50c); $39,400,000: Provided, That the number of aircraft on hand at any one time shall not exceed one hundred and ten exclusive of planes and parts stored to meet future attrition. CIVILIAN EMPLOYEES For personal services in the field, not otherwise provided for, includ- ing per diem labor, $4,400,000. The Secretary of the Treasury may transfer funds between the fore- going appropriations for the Coast Guard, but no appropriation shall be either increased or decreased more than 5 per centum by such transfers. The capital of the Coast Guard supply fund shall be increased by the value of commissary provisions and uniform clothing on hand on July 1, 1949, and thereafter, under regulations prescribed by the Sec- retary, the Coast Guard supply fund shall be charged with the cost of procurement and credited with the value of provisions consumed or sold, and the value of issues and sales of clothing, such values to be determined on a basis which will not increase the capital of the fund. ACQUISITION, CONSTRUCTION, AND IMPROVEMENTS For establishing and improving aids to navigation; the purchase or construction of additional and replacement vessels and their equip- ment; the purchase of aircraft and their equipment; the construction, rebuilding, or extension of shore facilities, including the acquisition of sites and improvements thereon when specifically approved by the Secretary; and for expenditures directly relating thereto, including personal services at the seat of government; $10,000,000, to remain available until expended. SEC. 102. No part of any appropriation or authorization in this Act shall be used to pay any part of the salary or expenses of any person whose salary or expenses are prohibited from being paid from any appropriation or authorization in any other Act. SEC. 103. This title may be cited as the "Treasury I)epartment Appropriation Act, 1950". TITLE II-POST OFFICE DEPARTMENT The following sums are appropriated in conformity with 5 United States Code 361, 380; 39 United States Code 786, for the Post Office Department for the fiscal year ending June 30, 1950, namely: DEPARTMENTAL SERVICE SALARIES For personal services in the District of Columbia in bureaus and offices, as follows: Office of the Postmaster General, including a health service program as authorized by law, $437,100. Office of Budget and Administrative Planning, $132,300: Office of the First Assistant Postmaster General, $1,297,000. Office of the Second Assistant Postmaster General, $1,255,000, including $160,000 available only for temporary personal services in the District of Columbia, and services as authorized by section 15 of 367 53 Stat. 582. Post, p. 564. Paymentofrewards. 60 Stat. 857. Post,p. 565. Restriction on air- craft. Transfer of funds. Increase of capital of supply fund. Payment of salary, etc. , restriction. Short title. Post Office Depart- ment Appropriation Act, 1950. Post,p.981. Posi,p. 877n.