For definition of Canal Zone, referred to in text, see section 3602(b) of this title.

1974—Pub. L. 93–559 substituted “$2,000,000” for “$500,000”.

1965—Pub. L. 89–181 substituted “not to exceed $500,000” for “$250,000”.

1959—Pub. L. 86–296 substituted “$250,000” for “$150,000”.

1954—Act Apr. 19, 1954, provided that donations for maintenance of the Laboratory may be accepted from Latin American countries and from other sources, in lieu of provisions which required that such countries be invited to contribute, and struck out provisions that such countries be represented on the board or council directing the administration of such Laboratory in proportion to the amount of their contributions.

1948—Act July 1, 1948, substituted “$150,000” for “$50,000”.

Pub. L. 89–181 provided that the amendment made by Pub. L. 89–181 is effective for fiscal years ending after June 30, 1963.

Pub. L. 86–296, § 1, Sept. 21, 1959, 73 Stat. 572, provided that the amendment made by that section is effective for fiscal years ending after June 30, 1960.

Pub. L. 90–574, title V, § 505, Oct. 15, 1968, 82 Stat. 1013, provided that the annual appropriation for the maintenance and operation of the Gorgas Memorial Laboratory for the fiscal year ending June 30, 1970 would be increased by $500,000.

An annual appropriation was contained in the following appropriation acts:

Aug. 5, 1953, ch. 328, title I, 67 Stat. 368.

July 10, 1952, ch. 651, title I, 66 Stat. 550.

Oct. 22, 1951, ch. 533, title I, 65 Stat. 577.

Sept. 6, 1950, ch. 896, ch. III, title I, 64 Stat. 610.

July 20, 1949, ch. 354, title I, 63 Stat. 449.

June 3, 1948, ch. 400, title I, 62 Stat. 308.

July 9, 1947, ch. 211, title I, 61 Stat. 282.

July 5, 1946, ch. 541, title I, 60 Stat. 453.

May 21, 1945, ch. 129, title I, 59 Stat. 175.

June 28, 1944, ch. 294, title I, 58 Stat. 402.

July 1, 1943, ch. 182, title I, 57 Stat. 278.

July 2, 1942, ch. 472, title I, 56 Stat. 474.

June 28, 1941, ch. 258, title I, 55 Stat. 271.

May 14, 1940, ch. 189, title I, 54 Stat. 187.

June 29, 1939, ch. 248, title I, 53 Stat. 891.

Apr. 27, 1938, ch. 180, title I, 52 Stat. 253.

June 16, 1937, ch. 359, title I, 50 Stat. 267.

May 15, 1936, ch. 405, title I, 49 Stat. 1315.

Mar. 22, 1935, ch. 39, title I, 49 Stat. 73.

Apr. 7, 1934, ch. 104, title I, 48 Stat. 534.

Mar. 1, 1933, ch. 144, title I, 47 Stat. 1376.

July 1, 1932, ch. 361, title I, 47 Stat. 485.

Feb. 23, 1931, ch. 280, title I, 46 Stat. 1309.

Apr. 18, 1930, ch. 184, title I, 46 Stat. 173.

Jan. 25, 1929, ch. 102, title I, 45 Stat. 1094.

Act May 7, 1928, ch. 505, § 4, as added by Pub. L. 86–296, § 2, Sept. 21, 1959, 73 Stat. 573, and amended Pub. L. 86–617, July 12, 1960, 74 Stat. 396, provided that a sum not to exceed $500,000 be appropriated for construction and equipment of facilities for Gorgas Memorial Laboratory, including preparation of plans and specifications, remodeling of buildings, and site improvement, but excluding the cost of acquisition of land.