In this section the following words have the meanings indicated. “Acquiring authority” means the State, Montgomery County, Prince George’s County, or any municipality or unit of the State, Montgomery County, or Prince George’s County. “Bill for water and sewer usage charges” includes, if applicable, the late payment penalty provided under § 25–504(c) of this subtitle. Before acquiring property in the sanitary district, an acquiring authority shall: determine if any bill for water and sewer usage charges is outstanding against the property; and require the payment of any outstanding bill for water or sewer charges on the property before acquiring the property. If a bill for water and sewer usage charges is not paid before an acquiring authority acquires the property, the acquiring authority shall: deduct the amount of the bill from the purchase price of the property; and pay the amount of the bill over to the Commission. If the bill for water or sewer usage charges is not paid when the acquisition of the property is completed, the acquiring authority: is responsible for the bill; and shall pay the bill to the Commission on demand.