provider or facility and a specific group health plan, Medicaid managed care organization or other managed care entity, or health insurance issuer offering group or individual coverage. (k) Rule of construction Nothing in this section shall be construed to affect or modify enforcement of the privacy, security, or breach notification rules promulgated under section 264(c) of the Health Insurance Portability and Accountability Act of 1996 (or successor regulations). . (b) GAO report (1) In general The Comptroller General of the United States shall conduct a study on— (A) the performance of the entity awarded a contract under section 2795(a) of the Public Health Service Act, as added by subsection (a), under such contract