Once you book Inovice you do down payment adjustment thru f-54. This will nullify the effect of the tax deducted at the time of advance payment. Further it is quite possible that you have selected payment as well credit tds codes while booking the invoice which is why the tds is getting deducted at payment time also.
Regards
Mukesh Mangal
hai when u made the advance payment the system should have deduteced the tds and posted to the tds payable a/c. again at the time inoice posting if the amount of the invoice is equal to advance made , we should not the reduce the tds again. for this remove both the tax codes from the pop up screen displayed while posting the vendor invoice. if the amount of the invoice is more than the advance paid then the system should reduce the tds only on the excess of the invoice over the advance amde. for this u can enter the amount on which the tds is to be reduced manual in the pop up screen while posting the invoice against the tax type for invoice posting. i think this will clear ur problem
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