Md. Code, Business Occupations and Professions § 13–402

An individual qualifies for certification as a private detective if the individual:

(1) holds a license;

(2) is a firm member of a licensed private detective agency; or

(3) (i) is an employee of or an applicant for employment with a licensed private detective agency; and

(ii) meets the qualifications set forth under § 13-403 of this subtitle.