Maryland Code, Local Government § 9-512

(1) to consider or discuss the assignment, promotion, resignation, salary, demotion, dismissal, reprimand, or appointment of a member of a public agency or employee, unless the individual, as a matter of public record, makes a written request for an open session;

(2) to discuss strategy in collective bargaining or litigation;

(3) to engage in collective bargaining;

(4) to discuss the distribution of police forces to cope with public safety emergencies;

(5) to discuss cost estimates for capital projects to be subsequently placed through the bidding process;

(6) to hold preliminary discussions concerning the purchase or disposition of real property;

(7) when State law or federal regulation prohibits a meeting open to the public;

(8) to meet a condition for anonymity of a donor contained in a gift or bequest to the public agency;

(9) when secrecy is necessary to prevent the premature disclosure of the format or content of examinations or the disclosure of results of examinations as related to individual students;

(10) if the meeting is conducted by the County Board of Education or its staff to:

(11) to consider the investment of public funds;

(12) to consult with counsel to obtain legal advice;  or

(13) to discuss cybersecurity, if the public body determines that public discussion would constitute a risk to:

(b)(1) A closed session shall be announced in advance at a meeting that is open to the public.

(2) An announcement of a closed session shall include the nature of the business of the closed session.

(3) The closed session shall be limited to the matters described in subsection (a) of this section.