Md. Code, Estates and Trusts § 6–404

(a) The appointment of a special administrator terminates:

(1) On the appointment of a personal representative; or

(2) In the manner prescribed in Subtitle 3 of this title.

(b) The powers of a special administrator may be suspended or terminated in the same manner as prescribed in Subtitle 3 of this title for the suspension and termination of the powers, or the removal, of a personal representative.