Home › CFR › Title 48 › Part 183748 CFR Part 1837 — Service ContractingSubpart 1837.1 — Service Contracts—General§ 1837.101— Definitions.§ 1837.104— Personal services contracts. (NASA supplements paragraph (b))§ 1837.110— Solicitation provisions and contract clauses.§ 1837.110-70— NASA solicitation provision and contract clauses.§ 1837.170— Pension portability.Subpart 1837.2 — Advisory and Assistance Services§ 1837.203— Policy.§ 1837.203-70— Providing contractors access to sensitive information.§ 1837.203-71— Release of contractors' sensitive information.§ 1837.203-72— NASA contract clauses.