Chapter 18 — National Aeronautics and Space Administration
- Subch. A General §§1801.000 to 1804.470-4
- Subch. B Competition and Acquisition Planning §§1805.303 to 1812.7000
- Subch. C Contracting Methods and Contract Types §§1813.003 to 1817.7002
- Subch. D Socioeconomic Programs §§1819.001 to 1825.1103-70
- Subch. E General Contracting Requirements §§1827.000 to 1833.215
- Subch. F Special Categories of Contracting §§1834.201 to 1839.107-70
- Subch. G Contract Management §§1842.7001 to 1851.205
- Subch. H Clauses and Forms §§1852.000 to 1852.301
- Subch. I Agency Supplementary Regulations