Maryland Code, State Personnel and Pensions § 2-203

(a) Notwithstanding any other provision of law, and except as provided in subsection (c) of this section, this section applies to all employees in the Judicial, Legislative, and Executive branches of State government.

(b) This section does not apply to:

(c) Except for a position in the State Personnel Management System for which the Secretary determines that the specific duties and responsibilities of the position would require the appointing authority to know an applicant's criminal history, an appointing authority may not inquire into the criminal record or criminal history of an applicant for employment until the applicant has been provided an opportunity for an interview.

(d) This section does not prohibit an appointing authority from notifying an applicant for employment that certain prior criminal convictions may prohibit employment in some positions.