Md. Code, Local Government § 21–618

(a) Bonds issued by Montgomery County or Prince George’s County to

provide money for stormwater management remain valid, binding, and enforceable

in accordance with their terms, including any provision for a maturity date beyond

June 30, 1990.

(b) Notwithstanding the repeal, expiration, or termination after the date of

issuance of the bonds of the authority under which the bonds were issued, the rights

of the bondholders and the responsibilities and obligations of Montgomery County or

Prince George’s County with respect to the bonds may not be impaired and shall

remain in full force and effect.

(c) The responsibility of Montgomery County or Prince George’s County

includes the responsibility to repay the bonds and to impose taxes for or otherwise

guarantee the payment of the bonds.