Pub. L. 86-682, tit. 39, pt. I, ch. 5, sec. 508
Sale of maps, opinions of General Counsel, and transcripts of hearings
§ 508. Sale of maps, opinions of General Counsel, and transcripts of hearings The Postmaster General may sell, at such rates as he determines to be fair and reasonable, but not exceeding the cost thereof— (1) post route and rural delivery maps; (2) opinions of the General Counsel; and (3) transcripts of hearings before the Department.