Subchapter B - COMPETITION AND ACQUISITION PLANNINGBrowse as ListSearch WithinPart 505 - RESERVEDPart 509 - CONTRACTOR QUALIFICATIONS (§§ 509.105 — 509.407-3)Part 511 - DESCRIBING AGENCY NEEDS (§§ 511.171 — 511.603)Part 512 - ACQUISITION OF COMMERCIAL PRODUCTS AND COMMERCIAL SERVICES (§§ 512.216 — 512.301)