42 CFR §137.298
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
No, but Self-Governance Tribes may at their option, choose to voluntarily comply with Executive Orders. For facilities where ownership will vest with the Federal Government upon completion of the construction, Tribes and the Secretary may agree to include the goals and objectives of Executive Orders in the codes and standards of the construction project agreement.