Set the option Use reversing journals and optional vouchers in F11:Features > F1: Accounting Features to Yes.
Go to Gateway of Tally > Accounts Info. > Scenario > Create
Give a suitable name to the scenario. In this case, it is Provisional.
Set Include Actuals to Yes
Set Exclude Forex Gains/Losses Calculations to Yes if you do not want the Unadjusted Forex Gain/Loss element to appear in the scenario
Set Exclude Inventory Tracking Calculations to Yes if you do not want the Sales/Purchase Bills Pending element to appear in the scenario
Include - From the list of vouchers, include the type of vouchers required. Notice that it picks up the Voucher Types created for this company. Provisional Vouchers and Regular vouchers that are marked Optional are permitted for selection.
Exclude - Exclude from the list of vouchers already included in the type of vouchers that you do not want to affect this scenario. This option is used in Alter mode and hence is discussed under Alter/Display Scenario Information.
Accept to create this scenario.