Maryland Corporations and Associations Section 3-502
§ 3-502.
  (a)   Articles of extension shall include:
    (1)   The date the existence of the corporation expired under the terms of its charter;
    (2)   The date to which the existence of the corporation is to be extended, or a statement that the existence of the corporation is to be perpetual;
    (3)   A statement that the reinstatement and extension have been approved in the manner and by the vote required by this article and the corporation's charter, and a statement of the manner of approval; and
    (4)   A statement that the corporation has been in continuous operation since before the date of expiration.
  (b)   Articles of extension shall be executed in the manner required by Title 1 of this article.