Maryland Insurance Section 4-203
§ 4-203.
  (a)   This section does not apply to:
    (1)   acceptance of service of process;
    (2)   surplus lines insurance;
    (3)   a transaction for which a certificate of authority is not required under § 4-101(b) of this title;
    (4)   reinsurance, as authorized under Title 5, Subtitle 9 of this article;
    (5)   an adjuster while providing services with respect to a claim under a policy lawfully solicited, issued, and delivered outside of the State; or
    (6)   the professional services of an attorney at law.
  (b)   With respect to a subject of insurance resident, located, or to be performed in the State, a person may not in the State directly or indirectly act as an insurance producer for, or otherwise represent or help on behalf of another, an unauthorized insurer to:
    (1)   solicit, negotiate, or effect insurance or an annuity contract;
    (2)   inspect risks;
    (3)   fix rates;
    (4)   investigate or adjust losses;
    (5)   collect premiums; or
    (6)   transact insurance business in any other manner.