Md. Code, Health - General § 19–721

(a) Unless previously suspended or revoked, each original and renewal certificate of authority issued under this subtitle to a health maintenance organization expires at midnight on the November 30 after its effective date.

(b) On payment of an annual renewal fee of $25 by the health maintenance organization before the expiration date of its certificate of authority, its certificate remains in effect until a new certificate of authority is issued or specifically refused.