Rule 19-305.1 Responsibilities of Partners, Managers, and Supervisory Attorneys [MARPC 5.1]
(a) A partner in a law firm, and an attorney who individually or together with other attorneys possesses comparable managerial authority in a law firm, shall make reasonable efforts to ensure that the firm has in effect measures giving reasonable assurance that all attorneys in the firm conform to the Maryland Attorneys' Rules of Professional Conduct.
(b) An attorney having direct supervisory authority over another attorney shall make reasonable efforts to ensure that the other attorney conforms to the Maryland Attorneys' Rules of Professional Conduct.
(c) An attorney shall be responsible for another attorney's violation of the Maryland Attorneys' Rules of Professional Conduct if:
(1) the attorney orders or, with knowledge of the specific conduct, ratifies the conduct involved; or
(2) the attorney is a partner or has comparable managerial authority in the law firm in which the other attorney practices, or has direct supervisory authority over the other attorney, and knows of the conduct at a time when its consequences can be avoided or mitigated but fails to take reasonable remedial action.