No person shall be employed or associated in any capacity in any emergency management organization established under this chapter who advocates a change by force or violence in the constitutional form of the government of the United States or in this state or the overthrow of any government in the United States by force or violence, or who has been convicted of or is under indictment or information charging any subversive act against the United States. Each person who is employed by an emergency management organization established under this chapter and whose access to facilities, materials, or information requires a security clearance, as determined by the commissioner, shall be subject to a background check and a criminal history record check. (Amended 1989, No. 252 (Adj. Sess.), § 16; 2005, No. 209 (Adj. Sess.), § 15.)