The secretary of health and human services shall seek an amendment to the MassHealth demonstration waiver granted by the United States Department of Health and Human Services under section 1115(a) of the Social Security Act, as authorized by chapter 203 of the acts of 1996, to implement this act. All negotiations with the federal Centers for Medicare and Medicaid Services or the federal Office of Management and Budget concerning this amendment shall be conducted in consultation with the secretary or his designee, a member of the house of representatives as appointed by the speaker of the house or his designee, and a member of the senate as appointed by the senate president or his designee. Any terms and conditions negotiated with the federal Centers for Medicare and Medicaid Services, including all correspondence related to the waiver, shall be submitted to the appointed member of the house of representatives and the appointed member of the senate, no fewer than 7 business days prior to submission to the federal Centers for Medicare and Medicaid Services. The secretary shall seek to obtain maximum federal reimbursement for all expenditures made under provisions of this act for which federal financial participation is available. The secretary shall report quarterly to the joint committee on health care financing and the house and senate committees on ways and means on the status of the waiver amendment sought under this section.