Home › CFR › Title 48 › Part 51948 CFR Part 519 — Small Business ProgramsSubpart 519.5 — Set-Asides for Small Business§ 519.507— Contract clause.Subpart 519.8 — Contracting With the Small Business Administration (The 8(a) Program)§ 519.870— Direct 8(a) contracting.§ 519.870-2— Contract clauses.