Pursuant to T.C.A. § 8-8-212(b)(1), the sheriff is authorized to enter into agreements with other law enforcement agencies, including, but not limited to, other county sheriff’s offices, for the exchange of law enforcement officers when required for a particular purpose. Exchanged officers must be covered by liability insurance by the agency of their regular employment or by the agency to which the officers are being assigned. Responding officers under these agreements may be deputized by the requesting sheriff without making application to the court provided that the exchanged officers may serve in such capacity only for the time necessary to complete the particular purpose for which the exchange was made. Law enforcement officers exchanged under T.C.A. § 8-8-212(b) shall not be deemed to be special deputies. T.C.A. § 8-8-212(b)(2).