Not later than 3 months after August 21, 1996, the Secretary shall establish a program under which the Secretary shall encourage individuals to report to the Secretary information on individuals and entities who are engaging in or who have engaged in acts or omissions which constitute grounds for the imposition of a sanction under section 1320a–7, 1320a–7a, or 1320a–7b of this title, or who have otherwise engaged in fraud and abuse against the Medicare program under this subchapter for which there is a sanction provided under law. The program shall discourage provision of, and not consider, information which is frivolous or otherwise not relevant or material to the imposition of such a sanction.