Please follow the steps below to post recurring invoices:
Step 1:Login to ADDA>>Admin>> Income Tracker >> Member Income.
Step 2: Select the Unit you wish to post a recurring invoice >> Click on the "Invoice" Button.
Step 3. Enter the amount, account, comment, etc >> If you wish to enable recurring invoices make sure that the check box called "Recur Invoice" is unchecked.
Once this is unchecked you will find an option to set the recurring invoice date, frequency of the recurring invoice, you can select the option accordingly.