84 STAT. ]
PUBLIC LAW 91-375-AUG. 12, 1970
757
bined, including surface-type official mail, which are mailed at or addressed to any such Armed Forces post office where adequate surface transportation is not available. Whenever adequate service by scheduled United States air carriers is not available to provide transportation of mail matter by air in accordance with this subsection, the transportation of such mail may be authorized by other than scheduled United States air carriers. "(c) The Department of Defense shall transfer to the Postal Service as postal revenues, out of any appropriations or funds available to the Department of Defense, as a necessary expense of the appropriations or funds and of the activities concerned, the equivalent amount of postage due, as determined by the Postal Service, for matter sent in the mails under authority of subsection (a) of this section. " (d) The Department of Defense shall transfer to the Postal Service as postal revenues, out of any appropriations or funds available to the Department of Defense, as a necessary expense of the appropriations or funds and of the activities concerned, sums equal to the expenses incurred by the Postal Service, as determined by the Postal Service, in providing air transportation for mail mailed at or addressed to Armed Forces post offices established under section 406 of this title, but reimbursement under this subsection shall not include the expense of air transportation (1) for which the Postal Service collects a special charge to the extent the special charge covers the additional expense of air transportation or (2) that is provided by the Postal Service at the same postage rate or charge for mail which is neither mailed at nor addressed to an Armed Forces post office. "(e) This section shall be administered under such conditions, and under such regulations, as the Postal Service and the Secretary of Defense jointly may prescribe. "§ 3402. Mailing privileges of members of Armed Forces of the United States and of friendly foreign nations in the Canal Zone " (a) For the purpose of section 3401 of this title, each post office in the Canal Zone postal service, to the extent that it provides mail service for members of the Armed Forces of the United States and of friendly foreign nations, shall be considered to be an Armed Forces post office established in an overseas area. " (b) The Department of Defense shall reimburse the postal service of the Canal Zone, out of any appropriations or funds available to the Department of Defense, as a necessary expense of the appropriations or funds and of the activities concerned, the equivalent amount of postage due, and sums equal to the expenses incurred by, the postal service of the Canal Zone, as determined by the Governor of the Canal Zone, for matter sent in the mails, and in providing air transportation of mail, under section 3401 of this title. "§ 3403. Matter for blind and other handicapped persons "(a) The matter described in subsection (b) of this section (other than matter mailed under section 3404 of this title) may be mailed free of postage, if— (1) the matter is for the use of the blind or other persons who cannot use or read conventionally printed material because of a physical impairment and who are certified by competent authority as unable to read normal reading material in accordance with the provisions of sections 135a and 135b of title 2; "(2) no charge, or rental, subscription, or other fee, is required for such matter or a charge, or rental, subscription, or other fee is required for such matter not in excess of the cost thereof;
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