shall apply to requests for review and requests for hearing that are pending at any level of appeal as of the date of enactment of this Act and to those filed after such date. 6. Identification and referral of fraud Not later than 1 year after the date of enactment of this Act, the Secretary of Health and Human Services, in consultation with the Inspector General of the Department of Health and Human Services and the Attorney General of the United States, shall establish and implement a process under which the Office of Medicare Hearings and Appeals and the Departmental Appeals Board of the Department of Health and Human Services shall refer cases in which there is a credible suspicion of fraudulent activity to appropriate law enforcement agencies and to the Centers for Medicare & Medicaid Services. 7. Study to assess hearing participation (a) Study Not later than 1 year after the date of enactment of this Act, the Secretary of Health and Human Services shall conduct a study to determine whether it would be feasible to cost-effectively increase the participation, with respect to hearings conducted by the Office of Medicare Hearings and Appeals, of— (1) the Centers for Medicare & Medicaid Services