Md. Code, State Government § 20–611

In an action alleging a violation of this subtitle based on harassment, an employer is liable:

(1) for the acts or omissions toward an employee or applicant for employment committed by an individual who:

(i) undertakes or recommends tangible employment actions affecting the employee or an applicant for employment, including hiring, firing, promoting, demoting, and reassigning the employee or an applicant for employment; or

(ii) directs, supervises, or evaluates the work activities of the employee; or

(2) if the negligence of the employer led to the harassment or continuation of harassment.