Public Law 75–104

That magazines, periodicals, and other regularly issued publications in raised characters, whether prepared by hand or printed, or on sound-reproduction records (for the use of the blind), which contain no advertisements, when furnished by an organization, institution, or association not conducted for private profit, to a blind person, at a price not greater than the cost price thereof, shall be transmitted in the United States mails at the postage rate of 1 cent for each pound or fraction thereof, under such regulations as the Postmaster General may prescribe.