This subpart sets forth the acquisition requirements regarding implementation of Human Immunodeficiency Virus/Acquired Immune Deficiency Syndrome (HIV/AIDS) programs under the President's Emergency Plan for AIDS Relief as established by the United States Leadership Against HIV/AIDS, Tuberculosis and Malaria Act of 2003, as amended (Pub. L. 108-25, Pub. L. 110-293, Pub. L. 113-56).