Maryland Code, Agriculture § 5-507

(a) A beekeeper whose apiary is located on the property of any other person shall post in a conspicuous place in the apiary its identification number, as assigned by the Department, or other identification approved by the Department.

(b)(1) The Department shall give to the owner of an abandoned apiary or to the owner of the property on which the abandoned apiary is located notice that, if the apiary remains abandoned for more than 30 days from the date of the notice, the Department may condemn the apiary and remove any colony.

(2) If an apiary remains abandoned for more than 30 days from the date that notice is given under this subsection, the Department may condemn and remove the apiary.