63 STAT.] 81ST CONG. , 1 ST SESS.-CHS. 486-488-AUG. 19, 1949 [CHAPTER 486] AN ACT 621 August 19, 1949 To extend the time within which legislative employees may come within the [s. 1977] purview of the Civil Service Retirement Act. [Public Law 254] Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That section 3 (a) of the Civil Service Retirement Act of May 29, 1930, as amended, is amended by adding at the end thereof the following: "Notwithstanding any other provision of this Act, any officer or employee in the legislative branch of the Government within the classes of officers or employees which were made eligible for the benefits of this Act by the Act of July 13,1937, serving in such position on the effective date of this paragraph, may give notice of his desire to come within the purview of this Act at any time prior to January 30, 1950." Approved August 19, 1949. Civil Service Re- tirement Act, amend- ment. 46 Stat. 470. 5 U.S. C., Supp. II, § 693 (a). Post, p. 884 . [CHAPTER 487] AN ACT August 19, 1949 To authorize an appropriation in aid of a system of drainage and sanitation for [H. R. 28691 the city of Poison, Montana. [Public Law 255] Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That there is hereby authorized to be appropriated, out of any funds in the Treasury not otherwise appropriated, the sum of $100,000 or so much thereof as may be necessary for the repair and rehabilitation or replacement of the drainage structures of a system of drainage for lands within and adjacent to the city of Polson, Montana, on the Flathead Indian Reser- vation, in sections 3, 4, 8, 9, and 10, township 22 north, range 20 west, Montana principal meridian: Provided,That the said city or the resi- dents in the affected area form a drainage-sanitation district and levy an assessment to provide additional funds to convert the drainage lines into a dual purpose system for drainage and sewer disposal pur- poses and agree to take title to the system and operate and maintain it in perpetuity. SEC. 2 . Nothing in this Act shall be construed as an admission of liability on the part of the United States for damages that may be claimed by any property owner as resulting from seepage in the affected area, and the drainage-sanitation district formed pursuant to section 1 hereof shall specifically agree to hold the United States harmless against any and all damage claims that may be asserted by property owners of the area. Approved August 19, 1949. [CHAPTER 488] AN ACT To provide funds for cooperation with the school board of Klamath County, Oregon, for the construction, extension, and improvement of public-school facilities in Klamath County, Oregon, to be available to all Indian and non- Indian children without discrimination. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That there is author- ized to be appropriated, out of any funds in the Treasury not other- wise appropriated, $150,000 for expenditure under the direction of the Secretary of the Interior for the purpose of cooperating with the school board of Klamath County, Oregon, in the construction, extension, and improvement of public-school facilities in Klamath Poison, Mont. Appropriation au- thorized for drainage system. Additional funds. Nonliability of I. S . August 19, 1949 [H. R . 4510] [Public Law 256] Klamath County, Oreg. Appropriation au- thorized for public- school facilities. Post, p. 875.