Md. Code, Corporations and Associations § 5–402

A private foundation may not:

(1) Engage in any act of “self-dealing”, as defined in § 4941(d) of the Internal Revenue Code, which would cause any tax liability under § 4941(a) of the Internal Revenue Code;

(2) Retain any “excess business holdings”, as defined in § 4943(c) of the Internal Revenue Code, which would cause any tax liability under § 4943 (a) of the Internal Revenue Code;

(3) Make any investment which would jeopardize the carrying out of any of its exempt purposes under § 4944 of the Internal Revenue Code and cause any tax liability under § 4944(a) of the Internal Revenue Code; or

(4) Make any “taxable expenditures”, as defined in § 4945(d) of the Internal Revenue Code, which would cause any tax liability under § 4945(a) of the Internal Revenue Code.