PUBLIC LAWS-CH. 830-JULY 3, 1948 or packages of such size or form as to prevent ready facing and tying in bundles and requiring individual distributing throughout shall be subject to a minimum charge of 3 cents each. CONTROLLED CIRCULATION PUBLICATIONS SEC. 203. Publications containing twenty-four pages or more issued at regular intervals of four or more times a year, 25 per centum or more of whose pages are devoted to text or reading matter and not more than 75 per centum to advertising matter, which are circulated free or mainly free, may, upon authorization by the Postmaster Gen- eral and under such regulations as he may prescribe, be accepted for mailing at the postage rate of 10 cents a pound or fraction thereof, computed on the entire bulk mailed at one time, but not less than 1 cent per piece, provided the copies of such publications are pre- sented for mailing made up according to States, cities, and routes Restriction. as directed by the Postmaster General: Provided, That publications owned and controlled by one or several individuals or business con- cerns and conducted as an auxiliary to and essentially for the advancement of the main business or calling of those who own or control them shall not be accepted under this section. FOURTH-CLASS (PARCEL POST) MAIL SEC. 204. (a) On fourth-class matter (limit of weight over eight ounces to seventy pounds) the rate of postage except as herein pro- vided for catalogs (limit of weight over eight ounces up to and includ- ing ten pounds), books, and library books, shall be by the pound as hereinafter provided, the postage in all cases to be prepaid by stamps affixed thereto or as otherwise prescribed by the Postmaster General. (b) The rate of postage on matter of the fourth class shall be as follows: (1) On all matter mailed at the post office from which a rural route starts, for delivery on such route, or mailed at any point on such route for delivery at any other point thereon, or at the office from which the route starts, or on any rural route starting there- from, and on all matter mailed at a city-carrier office, or at any point within its delivery limits, for delivery by carriers from that office, or at any office for local delivery, the postage shall be 10 cents for the first pound or fraction thereof, 1 cent for each addi- tional pound or fraction thereof up to an including ten pounds, and 3/4 cent for each pound or fraction thereof exceeding ten pounds. (2) For delivery within the first and second zones, except as provided for in paragraph (1), and except when the distance by the shortest regular mail route from the office of origin to the office of delivery is three hundred miles or more in which case the rates of postage shall be the same as for delivery within the third zone, 12 cents for the first pound or fraction thereof, 2%/o cents for each additional pound or fraction thereof up to and including ten pounds, and 2 cents for each pound or fraction thereof exceed- ing ten pounds. (3) For delivery within the third zone, 13 cents for the first pound or fraction thereof, 3 cents for each additional pound or fraction thereof up to and including ten pounds, and 2%o cents for each pound or fraction thereof exceeding ten pounds. (4) For delivery within the fourth zone, 14 cents for the first pound or fraction thereof, 4/2 cents for each additional pound or fraction thereof up to and including ten pounds, and 4% cents for each pound or fraction thereof exceeding ten pounds. 1262 [62 STAT.
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