Maryland State Government Section 15-713
§ 15-713.
  A regulated lobbyist may not:
    (1)   be engaged for lobbying purposes for compensation that is dependent in any manner on:
      (i)   the enactment or defeat of legislation;
      (ii)   the outcome of any executive action relating to the solicitation or securing of a procurement contract; or
      (iii)   any other contingency related to executive action or legislative action;
    (2)   initiate or encourage the introduction of legislation for the purpose of opposing the legislation;
    (3)   knowingly counsel any person to violate any provisions of this title or any other State or federal law;
    (4)   engage in or counsel any person to engage in fraudulent conduct;
    (5)   while engaging in lobbying activities, knowingly make to an official or employee a statement of material fact relating to lobbying activity that the regulated lobbyist knows to be false;
    (6)   engage in lobbying without being properly registered as a regulated lobbyist in accordance with § 15-701 of this subtitle;
    (7)   request an official or employee to recommend to a potential client the lobbying services of the regulated lobbyist or any other regulated lobbyist;
    (8)   make a gift, directly or indirectly, to an official or employee if the regulated lobbyist knows or has reason to know the gift is in violation of Subtitle 5 of this title;
    (9)   make a gift directly or indirectly as a result of a solicitation or facilitation, which the regulated lobbyist knows or has reason to know is prohibited under § 15-505(a)(2) of this title;
    (10)   if the regulated lobbyist is an individual, engage in any charitable fund-raising activity at the request of an official or employee, including soliciting, transmitting the solicitation of, or transmitting a charitable contribution;
    (11)   unless in the ordinary course of business of the regulated lobbyist, make or facilitate the making of any loan of money, goods, or services to an official or employee;
    (12)   while engaging in lobbying activities on behalf of an entity, knowingly conceal from an official or employee, the identity of the entity;
    (13)   commit a criminal offense arising from lobbying activity; or
    (14)   if serving on the State or a local central committee of a political party, participate:
      (i)   as an officer of the central committee;
      (ii)   in fund-raising activity on behalf of the political party; or
      (iii)   in actions relating to filling a vacancy in a public office.