(A) No person may be allowed to perform firefighting duties with a public fire department, organization, or employer of a county, municipality, special purpose district, or other political subdivision in this State on or after July 1, 2001, without first undergoing a criminal background check as required by Section 40-80-20 and being recommended for registration pursuant to Section 40-80-50.
(B) A firefighter employed by the United States Government and working in the course and scope of his official duties as a federal employee is not required to be registered under this chapter.
(C) A firefighter who works for or serves more than one fire department must be registered by each fire department.
(D) A firefighter previously registered with the Office of the State Fire Marshal, but not actively engaged with a fire department or as a firefighter for a period of six months, must apply for registration and must submit a criminal records check as required by Section 40-80-20. Firefighters that are being reinstated to their last registered department within a period of not more than three years are exempted from the provisions contained in this section.