(a) The state department shall, subject to the availability of funds appropriated therefor, conduct a grants-in-aid program for the following purposes:
(1) To assist in the establishment of new adult day health care centers.
(2) To assist in stabilizing or expanding the health care operations of adult day health care centers which have been licensed for a period of two years or less.
(3) To assist in expanding the health care operations of adult day health care centers which have been licensed for a period of two years or more when identified expansion meets criteria outlined in the specific guidelines established for the grant-supported activities. Expansion under this paragraph shall be based on documented unmet need.
(b) The grants authorized pursuant to this article shall be limited in purpose to defraying operating expenses of the center, including staffing costs, required renovation costs, and facility rental costs.