574 Regulations. Effective date. PUBLIC LAWS-CHS. 597, 600 , 601 -JUNE 22, 1948 [62 STAT factory to it, that such boarder and patient is able, or other persons legally liable for his care are financially able, to bear all or part of such cost; or (c) when such certification has been made erroneously: Provided, That revocation of such certification shall not take effect until a copy of the order of revocation shall have been served upon the Superintendent of Saint Elizabeths Hospital or his authorized representative. SEC. 4 . The Superintendent of Saint Elizabeths Hospital, with the approval of the Federal Security Administrator, is authorized to pre- scribe such regulations as he shall deem necessary to carry out the provisions of this Act relating to the hospital. SEC. 5. The Commissioners of the District of Columbia are auth- orized to prescribe such regulations as they shall deem necessary to carry out the provisions of this Act relating to the Board of Public Welfare and the District of Columbia. SEC. 6 . This Act shall become effective sixty days after enactment. Approved June 22, 1948. [CHAPTER 600] June 22, 1948 S[.2122] [Public Law 738] Coast Guard. Floating ocean sta- tions. Air navigation facil- ities. June 22, 1948 [H. R . 49641 [Public Law 739] Postal Service. Veterans' preference eligibility. 58 Stat. 387 . 5U.S.. . §§ 851-869; Supp. I, § 851 d seq. Ante, p. 3; post, pp. 575, 1233. AN ACT To authorize the Coast Guard to operate and maintain ocean stations. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the Coast Guard is authorized to operate and maintain floating ocean stations for the purpose of providing search and rescue, communication, and air navigation facilities, and meteorological services in such ocean areas as are regularly traversed by aircraft of the United States. SEC. 2. The Coast Guard is authorized, subject to approval by the Administrator of Civil Aeronautics, to operate, on floating ocean sta- tions authorized by section 1 hereof, such air navigation facilities as the Administrator may find necessary or desirable for the safe and efficient protection and control of air traffic. The Coast Guard, in establishing, maintaining, or operating any air navigation facilities herein provided, shall request the cooperation of the Administrator of Civil Aeronautics to the end that the personnel and facilities of the Civil Aeronautics Administration will be utilized to the fullest possible advantage. Approved June 22, 1948. [CHAPTER 601] AN ACT To preserve seniority rights of ten-point preference eligibles in the postal service transferring from the position of letter carrier to clerk or from the position of clerk to letter carrier. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That (a) any letter carrier or clerk in the postal service entitled as a preference eligible to ten points under the Veterans' Preference Act of 1944, as amended, in addition to his earned rating who, on or after the date of enactment of this Act, transfers from the position of letter carrier to that of clerk or from the position of clerk to that of letter carrier, as the case may be, shall not incur loss of seniority by reason of such transfer if, within thirty days after such transfer, he presents to the Civil Service Commission evidence satisfactory to the Commission that such transfer was necessitated principally by reason of a disability which he received on active duty in the armed forces of the United States.
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