Md. Code, General Provisions § 4–311

(a) Subject to subsection (b) of this section, a custodian shall deny inspection of a personnel record of an individual, including an application, a performance rating, or scholastic achievement information.

(b) A custodian shall allow inspection by:

(1) the person in interest;

(2) an elected or appointed official who supervises the work of the individual; or

(3) an employee organization described in Title 6 of the Education Article of the portion of the personnel record that contains the individual’s:

(i) home address;

(ii) home telephone number; and

(iii) personal cell phone number.

(c) (1) Except as provided in paragraph (2) of this subsection, the following records are not personnel records for the purposes of this section:

(i) a record relating to an administrative or criminal investigation of misconduct by a police officer, including an internal affairs investigatory record;

(ii) a hearing record;

(iii) a record of positive community feedback that was not solicited by the police officer who is the subject of the feedback; and

(iv) records relating to a disciplinary decision.

(2) A record of a technical infraction is a personnel record for the purposes of this section.