https://help.tallysolutions.com/docs/te9rel60/Tax_India/VAT/Punjab/PB_CST_Adj.htm

Recording Journal Vouchers for Adjustment Towards CST (Punjab)

For adjustment towards CST, you can create a journal voucher and select Decrease of Input Tax as the nature of adjustment.

To create a journal voucher for adjustment towards CST dues

1.    Go to Gateway of Tally > Accounting Vouchers > F7: Journal.

Note: You can create a journal voucher from Gateway of Tally > Display > Statutory Reports > VAT > select the VAT or CST form.

2.    Click J: Stat Adjustment. In the Stat Adjustment Details screen,

o     Select Type of duty/tax as VAT.

o     Select Decrease of Input Tax, as the Nature of adjustment.

o     Select the Against CST in Additional Details section.

Note: Based on the selection made for Nature of Adjustment, the Additional Details option either appears or disappears.

o     Press Ctrl+A to return to the voucher.

3.    Debit CST ledger. Enter the CST Rate and Assessable value in VAT Details screen. Enter the tax amount.

4.    Credit the VAT ledger. Enter the Rate, Surcharge Rate and Assessable Value. The journal voucher appears as shown below:

5.    Press Enter to save.