Except as provided under subsection (b) of this section or §§ 10–14A–03 and 10–14B–03 of the State Government Article, 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. A licensed security guard agency may provide an uncertified individual for hire as a security guard if: 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 the Secretary has not disapproved the application; or the individual has obtained and currently possesses certification by the Maryland Police Training and Standards Commission as a police officer. 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. A security guard employer may employ an uncertified security guard to provide security guard services for the security guard employer if: 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 the Secretary has not disapproved the application; or the individual has obtained and currently possesses certification by the Maryland Police Training and Standards Commission as a police officer. This subtitle does not prohibit a security guard employer from hiring security guards from a licensed security guard agency.