Avista, (the “Contracting Authority”) invites tenders to this supplementary request for tenders (“SRFT”) from economic operators (“Tenderers”) for the provision of modified adapted vehicles, including wheelchair accessible vehicles, new and second hand. This SRFT is issued in accordance with the Terms and Conditions of Avista’s Dynamic Purchasing System for the Provision of (i) Modified adapted vehicles, including wheelchair accessible vehicles, new and second hand, and (ii) Eight/nine seat standard vehicles, new and second hand.