Home › CFR › Title 48 › Part 30848 CFR Part 308 — Required Sources of Supplies and ServicesSubpart 308.4 — Federal Supply Schedules§ 308.405-6— Limited source justification and approval.Subpart 308.8 — Acquisition of Printing and Related Supplies§ 308.800— Scope of subpart.§ 308.801— Definitions.§ 308.802— Policy.§ 308.803— Solicitation provision and contract clause.