WINCC/B.DATA, BASIC 1000 TAGS SUS AND SUPPORT WITHIN THE FRAMEWORK OF THIS CONTRACT, YOU WILL RECEIVE UPDATED SOFTWARE VERSIONS AS WELL AS 150 HOURS TCHNICAL SUPPORT BY TELEPHONE FOR A PERIOD OF ONE YEAR. IF IT IS NOT CANCELED THREE MONTHS PRIOR TO ITS EXPIRATION. PERIOD OF DELIVERY AND PERFORMANCE: 1 YEAR FROM DATE OF INVOICE PREREQUISITE FOR CONTRACT: CURRENT VERSION OF THE SOFTWARE