Tax procedure for VAT calculation on Base amount + WHT amount

Hi All,

Needed your inputs on definition of tax procedure, to calculate VAT tax where base amount + withholding tax amount are tax base components.

E.g. in AR line item:

Revenue: 950 (FB70 ->Editing options: calculate taxes on net amount check box is enabled)

WHT: 50 (5%) (Re-grossing method using)

VAT: 70 (7%)

To achieve as above how to define tax procedure: current procedure definition as below.

Step Counter -Ctyp---- Description -From --To

100-- 0 -- - -

117-- 0 -- - -

118-- 0

120-- 0 -- - -

Please through some light on this.

Thanks in advance.

SK