This solicitation is for Klaxon system support and services in accordance with the attached documentation. The Period of Performance shall consist of one (1) 12-month Base Year plus up to four (4) sub... This solicitation is for Klaxon system support and services in accordance with the attached documentation. The Period of Performance shall consist of one (1) 12-month Base Year plus up to four (4) subsequent one-year Option Periods. Please see amendment 0001 that extend the due date is reflected on the original solicitation form. Please reach out to the below POCs for additional information.