Title VII,Civil Rights Act of 1964, as amended

Nothing contained in this Act shall relieve any Government agency or official of its or his primary responsibility to assure nondiscrimination in employment as required by the Constitution and statutes or of its or his responsibilities under Executive Order 11478 relating to equal employment opportunity in the Federal Government.

https://www.dol.gov/agencies/oasam/centers-offices/civil-rights-center/statutes/title-vii-civil-rights-act-of-1964