On the Financial Stats tab of the form, record the Over/UnderBilling Adjustment from your Profit & Loss Statement into the Profit & Loss / Revenue section – Over/UnderBilling Adjustment.
Verify that the Total Revenue field of the form equals the Total Revenue on your P&L
On the Balance Sheet section, under Assets, enter the Underbillings from the asset section of your Balance Sheet. Under Liabilities, enter the Overbillings from the Liabilities section of your Balance Sheet.
Verify that the Total Current Assets, Total Assets, Total Current Liabilities and Total Liabilities on the form equal the corresponding numbers on your Balance Sheet.