When use of the Fund is authorized for Priorities 2 through 7, the Agency will to the extent possible maintain a reserve balance of not less than 5% of the statutory maximum balance in the Fund, in order to ensure that resources are available for a Priority 1 use of the Fund. When use of the Fund is authorized for Priority 1, the entire Fund balance may be expended, in accordance with the priorities established by this rule.
15- 214 C.M.R. ch. 5, § 10