https://help.tallysolutions.com/docs/te9rel64/Banking/enable_notional_bank.htm

Enabling Notional Bank

A notional bank exhibits the same features as a normal bank account, created under the group Bank Accounts . You can create a notional bank account when you are:

Unable to decide the bank to which the post-dated cheques received are to be deposited, while creating the post-dated transactions.

Manually converting the post-dated cheques received.

Unable to determine the bank to which the post-dated cheque is to be deposited.

To enable notional bank

1. In F11:Features > Accounting Features , enable the option Set/alter Post-dated transaction features to Yes .

2. Select the bank account for transacting with post-dated cheques.