Error in Purchase tax Query Report

Hi Experts ,

i have written the follwing query for  purchase tax report, in this cst tax is not linking with the  G/L ACCOUNT .please find the solution.The folowing is the query

/* SELECT FROM dbo.OPCH T4 */ DECLARE @FDate AS datetime /* WHERE */ SET @FDate= /* T4.DocDate */ '[%4]'  /* SELECT FROM dbo.OPCH T5 */ DECLARE @TDate AS datetime /* WHERE */ SET @TDate= /* T5.DocDate */ '[%5]'

EXEC PURCHASE_TAXDETAILS_V2  @FDate,@TDate

Thank in advance