(a) ODHHS determines makes and models of approved equipment and specific services for a voucher that a STAP vendor is required to make available to a STAP voucher recipient.(b) ODHHS reviews the required inventory at least annually. The required inventory is determined by approved equipment and services that conform to §360.507 of this subchapter (relating to Determination of Basic Specialized Telecommunications Equipment or Service) and offers a STAP voucher recipient a reasonable selection.(c) Vendors are not required to have both the equipment inventory and the service inventory established for a voucher to be able to sell equipment or service under that voucher.(d) If a vendor does not exchange a specific voucher, an inventory for that voucher is not required.(e) The required inventory does not preclude vendors from selling additional allowable equipment or services.