690 PUBLIC LAWS-CHS. 538-540-SEPT. 7, 1949 [CHAPTER 538] September 7, 1949 [HI. R . 3383] [Public Law 288] AN ACT [63 STAT. To provide that extra compensation for night work paid officers and employees of the United States shall be computed on the basis of either standard or day- light saving time. Be it enacted by the Senate and House of Representatives of the i.Sh employees. United States of America in Congress assembled, That the second sentence in section 5 of the Act entitled "An Act to reclassify the salaries of postmasters, officers, and employees of the Postal Service; to establish uniform procedures for computing compensation; and for other purposes", approved July 6, 1945 (Public Law 134, Seventy- 59 Stat. 46. ninth Congress, 39 U. S . C . 856), as amended, is amended to read as follows: "Night work shall be defined as any work performed between the hours of 6 o'clock postmeridian and 6 o'clock antemeridian and either standard or daylight saving time shall be used, depending upon whichever time is observed where such night work is performed: Provided, That such differential for night duty shall not be included in computing any overtime compensation to which the officer or employee may be entitled." Basis of overtime SEC. 2. Whenever any officer or employee of the United States Gov- ernment or of the municipal government of the District of Columbia is entitled to extra compensation on account of services performed between or after certain specified hours of the day or night, such extra compensation shall be computed on the basis of either standard or daylight saving time, depending upon whichever time is observed by law, custom, or practice where such services are performed. Approved September 7, 1949. September 7, 1949 [H. R. 3478] [Public Law 289] Mississippi River. Bridge, time exten- sion. 60 Stat. 891. September 7, 1949 [H. R . 3637] [Public Law 290] Postal Service. Transportation rate for Braille writers, etc. 55 Stat. 738. 39U.S.C.1331. [CHAPTER 539] AN ACT To extend the time for completing the construction of a bridge across the Mis- sissippi River at or near a point between Delmar Boulevard and Cole Street in the city of Saint Louis, Missouri, and a point opposite thereto in the city of East Saint Louis, Illinois. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the time for completing the construction of a bridge across the Mississippi River, at or near a point between Delmar Boulevard and Cole Street in the city of Saint Louis, Missouri, and a point opposite thereto in the city of East Saint Louis, Illinois, authorized to be built by the city of East Saint Louis, Illinois, by an Act of Congress approved August 7, 1946, is hereby extended three years from August 7, 1949. SEC. 2. The right to alter, amend, or repeal this Act is hereby expressly reserved. Approved September 7, 1949. [CHAPTER 540] AN ACT To permit the sending of Braille writers to or from the blind at the same rates as provided for their transportation for repair purposes. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the fifth paragraph of Public Law 270 of the Seventy-seventh Congress, apgproved October 14. 1941, is amended to read as follows: "Lhe Postmaster General may in his discretion extend this rate of 1 cent per pound or fraction thereof to reproducers for sound-repro-
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