Md. Code, Environment § 9–213

(a) A permit for a landfill system expires on the 5th anniversary of its date of issue, unless the permit is renewed for a 5-year term as provided in this section.

(b) Before a permit for a landfill system expires, the permit holder may renew it for an additional 5-year term, if the permit holder:

(1) Submits to the Department a renewal application on the form that the Department requires;

(2) Gives notice, by certified mail, of the renewal application to each member of the General Assembly in whose district the landfill system is located; and

(3) Obtains the written approval of the Department.