39 CFR 601.104 : Postal Service (§ 1.1 To Parts 3061-3099) — (§ 1.1 To Parts 3061-3099) — United States Postal Service (§ 1.1 To Parts 967-999) — Procurement System For The U.S. Postal Service: Intellectual Property Rights Other Than Patents (§ 601.100 To § 602.3) — Purchasing Of Property And Services (§ 601.100 To § 601.113) — Postal purchasing authority.