Maryland Code, Environment § 9-635

(a)(1) In this section the following words have the meanings indicated.

1. A person;

2. A county of this State or any other state;

3. A municipal corporation of this State or any other state;

4. This State or any other state;

5. The United States;

6. Any instrumentality of this State, any other state, or the United States; and

7. Another district of this State or any other state.

(3) “Contracting party's system” means any of the following systems owned or operated by a contracting party:

(1) To buy services from the contracting party's system;

(2) To use the facilities of the contracting party's system; or

(3) To allow a contracting party or its customers to use the services or facilities of the district.

(1) Shall require that the fees, rates, or charges collected under the contract be sufficient to pay the obligations of the contracting party; and

(2) May allow a contracting party to collect from its customers the fees, rates, or charges due under the contract.