Title 48 CFR 9903.201-1 (FAR appendix) describes the rules for determining whether a proposed contract or subcontract is exempt from CAS. Negotiated contracts not exempt in accordance with 48 CFR 9903.201-1(b) shall be subject to CAS. A CAS-covered contract may be subject to either full or modified coverage. The rules for determining whether full or modified coverage applies are in 48 CFR 9903.201-2 (FAR appendix). [57 FR 39587, Aug. 31, 1992, as amended at 61 FR 18916, Apr. 29, 1996; 62 FR 40237, July 25, 1997]