Md. Code, Business Occupations and Professions § 17–102

This title does not apply to:

(1) a person while acting under a judgment or order of a court;

(2) a public officer while performing the duties of office;

(3) a person while engaging in a single transaction that involves the sale or lease of any real estate under a power of attorney executed by the owner of the real estate;

(4) a licensed auctioneer while selling any real estate at public auction;

(5) an owner or lessor of any real estate while managing, leasing, or selling the real estate, unless the primary business of the owner or lessor is providing real estate brokerage services; or

(6) a person while acting in the capacity of:

(i) a receiver;

(ii) a trustee;

(iii) a personal representative; or

(iv) a guardian.