Maryland Code, State Government § 8-407

(a) During an evaluation conducted under § 8-404 of this subtitle, the unit under evaluation or responsible for the governmental activity under evaluation shall:

(b) Information requested under subsection (a)(1) of this section may be provided in a format that protects the confidentiality of individuals as necessary.

(c) The Department shall follow procedures to maintain the confidentiality of any information, documents, or proceedings obtained or observed in the course of carrying out the requirements of this subtitle.