How do I mark an invoice with an NSF cheque?
Please follow these instructions on how to mark an invoice with an NSF chq and then apply the new payment to the invoice.
Go to Register->Point of Sale
Search for the member you wish to work with.
Click Select beside their name until you get to the Invoice Screen
Click Select beside the Invoice that you wish to apply the NSF chq item
Click MARK NSF as shown in the screen shot below
Enter your information here and click SAVE
Now the Apply Payment button re-appears and you can enter in another method of payment and click save.