Maryland Code, General Provisions § 5-512

(a)(1) In this section, “close economic association” means the association between a legislator and:

(2) “Close economic association” does not include a legislator's ownership of stock directly through a mutual fund, an exchange-traded fund, a retirement plan, or any other similar commingled investment vehicle the individual investments of which the legislator does not control or manage.

(b)(1) An interest of a member of the General Assembly conflicts with the public interest if the legislator's interest tends to impair the legislator's independence of judgment.

(2) The conflict disqualifies the legislator from participating in any legislative action, or otherwise attempting to influence any legislation, to which the conflict relates.

(1) has or acquires a direct interest in an enterprise that would be affected by the legislator's vote on proposed legislation, unless the interest is common to all members of:

(2) benefits financially from a close economic association with a person whom the legislator knows has a direct interest in an enterprise or interest that would be affected by the legislator's participation in legislative action, differently from other like enterprises or interests;

(3) benefits financially from a close economic association with a person who is lobbying for the purpose of influencing legislative action; or

(4) solicits, accepts, or agrees to accept a loan, other than a loan from a commercial lender in the normal course of business, from a person who would be affected by or has an interest in an enterprise that would be affected by the legislator's participation in legislative action.