Sec. 7. (a) Except as provided in subsection (b) and notwithstanding any other law, the office of the secretary is the sole state authority authorized to:
(1) disburse grants, loans, or gifts made by the federal government or any other source to the state, state agencies, and subdivisions of the state; and
(2) review and approve grants or contracts made by the federal government to or with a local governmental unit or other public or private agency;
for alcoholism, compulsive gambling, or drug abuse prevention or for treatment in the field of addictions.
(b) Subsection (a) does not apply if the federal law regulating a grant, loan, or gift does not allow exclusive power and control over the disbursement of the grant, loan, or gift to be vested in a single state authority.