48 CFR 8.003 - Use of other mandatory sources.
Agencies shall satisfy requirements for the following supplies or services from or through specified sources, as applicable:
(a) Public utility services (see part 41).
(b) Printing and related supplies (see subpart 8.8).
(c) Leased motor vehicles (see subpart 8.11).
(d) Strategic and critical materials (e.g., metals and ores) from inventories exceeding Defense National Stockpile requirements (detailed information is available from the DLA Strategic Materials, 8725 John J. Kingman Rd., Suite 3229, Fort Belvoir, VA 22060-6223.
(e) Helium (see subpart 8.5 - Acquisition of Helium).