Md. Code, Insurance § 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.