Setting a bank account enables your Cash Flow statement to have a starting and ending balance.
In the Cash Flow statement setup window, click the Accounts tab.
Search for the applicable accounts. You can search by code, name or other property, or enter an account range.
Select the applicable bank account(s) by clicking the number to the left of the name, then click Set Bank Accounts in the bottom left corner.
Click Save > Close > Yes to rebuild the database.