PUBLIC LAWS-CH. 356 -JULY 30, 1947 49 Stat. 438. 69 Stat. 232 . 63 Stat. 589. 45 Stat. 1256. 49 Stat. 1564. 50 Stat. 881. 38 Stat. 372. Transfer of lands. Reimbursement. Buildings and im- provements. Limitation. Act approved June 29, 1935 (7 U. S . C . 343c), $12,000,000; Bankhead- Jones Act, section 23, title II, of the Act approved June 29, 1935, as amended by the Act of June 6, 1945 (7 U. S . C. 343d-1), $8,500,000; additional extension work, the Act approved April 24, 1939, as amended (7 U. S. C. 343c-1), $555,000; Alaska, the Act approved February 23, 1929 (7 U. S . C. 386c), extending the benefits of the Smith-Lever Act to the Territory of Alaska, $13,950, and section 3 of the Act approved June 20, 1936 (7 U. S. C. 343e), extending the benefits of the Capper-Ketcham Act to the Territory of Alaska, $10,000, in all, for Alaska, $23,950; Puerto Rico, the Act approved August 28, 1937 (7 U. S. C . 343f-343g), extending the benefits of section 21 of the Bankhead-Jones Act to Puerto Rico, $274,000; in all, Capper-Ketcham, Bankhead-Jones, and related Acts, $22,832,950. SALARES AND EXPENSES Administration and coordination of extension work: For expenses necessary to administer the provisions of the Smith-Lever Act, approved May 8, 1914 (7 U. S . C. 341-348), and Acts amendatory or supplementary thereto, and to coordinate the extension work of the Department and the several States, Territories, and insular posses- sions, $827,200, of which not to exceed $663,100 may be expended for personal services in the District of Columbia. AGRICULTURAL RESEARCH ADMINISTRATION OFFICE OF ADMINISTRATOR Salaries and expenses: For necessary expenses of the Office of Administrator, including the salary of the Administrator at $10,000 per annum, and personal services in the District of Columbia, and for the maintenance, operation, and furnishing of facilities and serv- ices at the Agricultural Research Center, $481,500, and there shall be transferred to the Department, from Government surplus without reimbursement therefor, certain parcels of real property, valued at approximately $9,750, within the boundaries of the Agricultural Research Center, Beltsville, Maryland, consisting of approximately eighty-eight acres of land known as the Paul Hense tract and approxi- mately forty acres of land known as the Sampson tract: Provided,That the appropriation current at the time services are rendered may be reim- bursed (by advance credits or reimbursements based on estimated or actual charges) from applicable appropriations, to cover the charges, including handling and other related services, for equipment rentals (including depreciation, maintenance, and repairs); for services, supplies, equipment and materials furnished, stores of which may be maintained at the Center, and for building construction, alteration and repair performed by the Center in carrying out the purposes of such applicable appropriations and the applicable appropriations may also be charged their proportionate share of the necessary general expenses of the Center not covered by this appropriation: Provided further, That the several appropriations of the Agricultural Research Administration shall be available for the construction, alteration and repair of buildings and improvements: Provided, however, That unless otherwise provided, the cost of constructing any one building (excepting headhouses connecting greenhouses) shall not exceed $5,000, the total amount for construction of buildings costing more $2,500 each shall be within the limits of the estimates submitted and approved therefor, and the cost of altering any one building during the fiscal year shall not exceed $2,500 or 2 per centum of the cost of the building as certified by the Research Administrator, whichever is greater. 528 [61 STAT.