Chapter 18 - NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
- Subchapter A - GENERAL (§§ 1801.000 — 1804.470-4)
- Subchapter B - COMPETITION AND ACQUISITION PLANNING (§§ 1805.303 — 1812.7000)
- Subchapter C - CONTRACTING METHODS AND CONTRACT TYPES (§§ 1813.000 — 1817.7302)
- Subchapter D - SOCIOECONOMIC PROGRAMS (§§ 1819.001 — 1825.1103-70)
- Subchapter E - GENERAL CONTRACTING REQUIREMENTS (§§ 1827.000 — 1833.215)
- Subchapter F - SPECIAL CATEGORIES OF CONTRACTING (§§ 1834.201 — 1839.107-70)
- Subchapter G - CONTRACT MANAGEMENT (§§ 1842.271 — 1851.205)
- Subchapter H - CLAUSES AND FORMS (§§ 1852.000 — 1852.301)