Sullivan County Leaders Are Discussing Increasing And Leveling The Sales Tax Rate Across All Parts Of The County. The Plan Is To Increase The Current Rate To 9.75 Percent Effective In Both Kingsport And Bristol As Well As All Unincorporated Parts Of The County. A Resolution For A Referendum To The Increase Could Be Presented To The County Commission Tonight. If Passed, Residents Would Vote On The Increase In August.