Md. Code, Natural Resources § 3-918

(a) Except as otherwise provided by this subtitle, the Authority is hereby authorized to adopt, formulate, and revise from time to time, and enforce rules and regulations necessary for the regulation of its internal affairs and for the use and operation of its projects, and of any other laws the administration of which is vested in the Authority; provided, however, that no such rule or regulation concerning the use or operation of a project shall be in conflict with any rule or regulation of the Department of the Environment. The Authority may limit or regulate waste disposal service on a temporary basis in any area or to any premises served by Authority projects, as the exigencies of the occasion and the protection of its systems require. The Authority shall make such regulations consistent with law as it may deem necessary for the public safety, health, comfort or convenience, in the construction, operation, maintenance, expansion, relocation, replacement, renovation, and repair of its projects.

(b) Notwithstanding any other provision of law granting to the State or to any of its agencies or instrumentalities an exemption from charges and/or fees, the State or any of its agencies or instrumentalities shall pay to the Authority any contractual obligation, or benefit or connection charges imposed thereon, for services rendered.