Military Industrial National Defense Supply Act of 2023

HR 4075, the Military Industrial National Defense Supply Act of 2023, requires defense contractors to source a higher percentage of materials domestically for major defense programs. It sets rising thresholds: 60% domestic content for current contracts, increasing to 65% by 2028, and 75% after 2029, for manufactured articles, materials, or supplies. Exceptions include products made primarily of iron or steel, and contracts with countries having reciprocal defense procurement agreements. The bill also mandates a new Defense Department repository to track domestic sourcing data and establishes temporary rules to address cost issues with foreign alternatives.