https://help.tallysolutions.com/docs/te9rel60/Tax_India/VAT/Kerala/Override_AsbValue_Tax.htm

Overriding Assessable Value and Tax (Kerala)

You can record a transaction overriding the tax details using this procedure.

To record a transaction overriding the tax details

1.    Go to Gateway of Tally > Accounting Vouchers > F8: Sales.

2.    Click I:Item Invoice to record the sale in the item invoice mode.

3.    Click F12: Configure.

o     Set the option Use common ledger A/c for item allocation? to No.

o     Set the option Allow modification of Tax Details for VAT? to Yes.

o     Press Ctrl+A to save and return to the invoice.

4.    Select the Party's A/c Name from the List of Ledger Accounts.

5.    Select the required stock items whose VAT rates are specified either at the stock group or stock item level. Enter the Quantity and Rate for each stock item.

6.    Select a common sales ledger in which the option Is VAT/CST Applicable? is set to Applicable, and Set/Alter VAT Details? is set to No in the Accounting Details screen.

7.    In the VAT Details screen

o     Click F12: Configure.

Set the option Allow override Assessable Value? to Yes.

Set the option Allow override Tax Rate? to Yes.

Press Enter to return to the VAT Details screen.

o     Select required nature of transaction in the Classification/Nature field

o     Enter the new Tax Rate.

o     Enter the Cess Rate.

o     Enter the new Assessable Value.

o     Press Enter to return to the Accounting Details screen.

o     Press Enter to return to the invoice.

8.    Select the common VAT ledger. The amount of tax will be displayed based on the new rate provided in the VAT Details screen.

9.    Select the cess ledger. The amount of tax will be displayed based on the new rate provided in the VAT Details screen.

The sales invoice appears as shown below:

10.  Press O to select the option O:Override (accept without conflicts) and save the invoice.