Fees authorized under this section shall not be assessed for any system operated by state agencies or institutions, including, without limitation, foster homes licensed by the State Department of Human Services. The fee authorized under this section shall not be charged again after payment of the initial fee for any system that has been installed in accordance with this chapter, within a period of 24 months following the date that the system was originally installed.
15 Miss. Code. R. 18-77-7.2