Maryland Code, Real Property § 11-111.5

(b) A recorded covenant or restriction, a provision in a declaration, or a provision in the bylaws or rules of a condominium may not prohibit or unreasonably restrict a unit owner from contracting with a private entity to collect organic waste materials from the unit owner for composting at a composting facility.

(c) A recorded covenant or restriction, a provision in a declaration, or a provision in the bylaws or rules of a condominium that unreasonably impedes the ability of a private entity to access the common elements for the purpose of collecting organic waste materials from a unit owner shall be interpreted as a restriction on the unit owner's right to contract for private composting services under subsection (b) of this section.