Md. Code, Business Occupations and Professions § 19–401

(a) Except as provided under subsection (b) of this section, a licensed security guard agency may provide an individual for hire as a security guard only if the individual is certified by the Secretary as a security guard.

(b) A licensed security guard agency may provide an uncertified individual for hire as a security guard if:

(1) (i) the security guard agency has submitted to the Secretary the application of the individual for certification as a security guard, fingerprint cards, and records fee as required under § 19–402(b) of this subtitle; and

(ii) the Secretary has not disapproved the application; or

(2) the individual has obtained and currently possesses certification by the Maryland Police Training and Standards Commission as a police officer.

(c) Except as provided under subsection (d) of this section, a security guard employer may employ a security guard to provide security guard services only if the individual is certified by the Secretary as a security guard.

(d) A security guard employer may employ an uncertified security guard to provide security guard services for the security guard employer if:

(1) (i) the security guard employer has submitted to the Secretary the application of the individual for certification as a security guard, fingerprint cards, and records fee as required under § 19–402(b) of this subtitle; and

(ii) the Secretary has not disapproved the application; or

(2) the individual has obtained and currently possesses certification by the Maryland Police Training and Standards Commission as a police officer.

(e) This subtitle does not prohibit a security guard employer from hiring security guards from a licensed security guard agency.