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The McNamara-O’Hara Service Contract Act (SCA)

Published May 14, 2026Updated May 15, 2026

The Congressional Research Service is a nonpartisan policy and legal analysis arm of the Library of Congress. CRS reports are written for members of Congress and their staff, not the public — but they’re made available openly through Congress.gov.

The McNamara-O’Hara Service Contract Act (SCA) — Informed