Maryland Tax - General Section 10-403
§ 10-403.
  (a)   (1)   In this section the following words have the meanings indicated.
    (2)   (i)   "Financial institution" means:
        1.   a credit company;
        2.   except as provided in subparagraph (ii)1 of this paragraph, a finance company;
        3.   an international banking facility;
        4.   a loan company;
        5.   a mortgage company;
        6.   a safe-deposit company; and
        7.   a savings and loan association.
      (ii)   "Financial institution" does not include:
        1.   a finance company that makes loans only to farmers for agricultural purposes;
        2.   a company licensed under the federal Small Business Investment Act of 1958;
        3.   a corporation that elects to be taxed as a small business corporation under Subchapter S of the Internal Revenue Code;
        4.   an entity that is a real estate mortgage investment conduit as defined in the Internal Revenue Code;
        5.   a limited liability company; or
        6.   a commercial bank, savings bank, trust company, or company that substantially competes with national banks in the State.
    (3)   "Financial institution holding company" means a financial institution whose only activities are:
      (i)   the maintenance and management of intangible investments; and
      (ii)   the collection and distribution of income from intangible investments.
  (b)   Notwithstanding § 10-402 of this subtitle, interest received by a financial institution holding company from one of its subsidiary corporations that is a financial institution shall be allocated to this State only to the extent that the interest is derived from the trade or business of the subsidiary corporation within this State.