Maryland Code, Real Property § 13-306

(b)(1) In lieu of a survey conducted under a warrant issued by the Commissioner, the applicant may submit with an application a previously performed survey.

(2) The Commissioner may accept the previously performed survey upon finding that the surveyor was a qualified professional land surveyor or property line surveyor, that the survey was conducted in accordance with standards prescribed by the Commissioner, and that adjoining landowners of record were given written notice of the survey.

(3) In determining whether to accept a previously performed survey, the Commissioner may conduct a hearing.

(4) Acceptance of a previously performed survey does not preclude an objector from raising any objection that might otherwise have been raised had the survey been performed pursuant to a warrant issued by the Commissioner.