(1) If the amount requested for matching fund grants exceeds the funding available in the legislative appropriation, the department shall allocate funding on the pro rata basis described in (2).

(2) The department will allocate funding by dividing available funding by the sum total population of all counties submitting a letter of intent and multiplying the result by the individual county population, subject to the matching fund requirements in ARM 37.89.1005. No county will receive a grant amount larger than the grant amount requested.