Maryland Code, Corporations and Associations § 10-703

(a) An assignee of a partnership interest, including an assignee of a general partner, may become a limited partner if and to the extent that:

(b) An assignee who has become a limited partner has, to the extent assigned, the rights and powers, and is subject to the restrictions and liabilities, of a limited partner under the partnership agreement and this title. An assignee who becomes a limited partner also is liable for the obligations of his assignor to make and return contributions as provided in Subtitle 5 and Subtitle 6 of this title. However, the assignee is not obligated for liabilities unknown to the assignee at the time he became a limited partner and which could not be ascertained from the certificate or the partnership agreement.

(c) If an assignee of a partnership interest becomes a limited partner, the assignor is not released from his liability to the limited partnership under §§ 10-502 and 10-608 of this title.