Maryland Corporations and Associations Section 9A-903
§ 9A-903.
  Articles of merger shall:
    (1)   Contain the provisions required by § 3-109 of this article and other provisions permitted by that section;
    (2)   Be executed:
      (i)   In the case of a partnership, by any partner authorized by the partnership to do so;
      (ii)   In the case of a limited liability company, in the manner required by § 4A-206 of this article;
      (iii)   In the case of a corporation or business trust, in the manner required by Title 1 of this article; and
      (iv)   In the case of a limited partnership, in the manner required by Title 10 of this article; and
    (3)   Be filed for record with the Department.