Maryland Environment Section 9-686
§ 9-686.
  Bonds issued under this subtitle shall:
    (1)   Be dated;
    (2)   Bear interest at the rate or rates that the sanitary commission determines;
    (3)   Bear the seal of the district;
    (4)   Be signed for the district;
    (5)   Bear maturity dates that:
      (i)   Are determined by the sanitary commission; and
      (ii)   Are not more than 40 years from the date of issue; and
    (6)   Subject to the limitation on liability of each member county of a multiple county district under § 9-696 of this subtitle, be endorsed by each member county as follows: "The payment of interest when due and the principal at maturity is guaranteed by .......... (name of member county), Maryland".