Md. Code, Economic Development § 12-611

(a) An established district may expand the geographic area of the district if:

(1) a petition for inclusion is submitted from:

(i) owners of at least 51% interest in the assessed value of the nonexempt property and, subject to subsection (b) of this section, a designated board member of a condominium or cooperative housing corporation proposed for inclusion in the district; and

(ii) owners of at least 51% of the total number of parcels of nonexempt property and, subject to subsection (b) of this section, a designated board member of a condominium or cooperative housing corporation proposed for inclusion in the district;

(2) the petition under item (1) of this subsection is accepted by a majority vote of the board of the district corporation; and

(3) the appropriate documents, as applicable, are submitted under § 12–608 of this subtitle and a hearing is held under § 12–609 of this subtitle.

(b) (1) Notwithstanding any other provision of this title and subject to paragraph (2) of this subsection, a condominium or cooperative housing corporation that is located in the proposed expanded geographic area of the district may petition to join the expansion.

(2) A condominium or cooperative housing corporation described under paragraph (1) of this subsection may petition to join the expansion only if:

(i) the condominium or cooperative housing corporation is governed by a board;

(ii) the board votes to join the district corporation; and

(iii) the board has a representative member of the board sign the appropriate documents required under § 12–608 of this subtitle.

(3) For the purposes of the votes cast under subsection (a)(1) of this section:

(i) a condominium or cooperative housing corporation shall be considered a single parcel; and

(ii) the decision reached by the board shall constitute the vote of the condominium or cooperative housing corporation.