Not later than 2 years after October 17, 2000, the Secretary shall, after consultation with organizations representing States, mental health and substance abuse treatment providers, prevention specialists, individuals receiving treatment services, and family members of such individuals, prepare and submit to the Committee on Health, Education, Labor, and Pensions of the Senate and the Committee on Commerce of the House of Representatives, a report on prevention and treatment services for individuals who have co-occurring mental illness and substance abuse disorders.