Go to Functions, Reverse Invoice
Optional steps to recreate, modify and post invoice again.
Also another optional step to change settings to allow invoice to post on a different date than today.
4. Go to Functions, Create Follow-up Invoice
5. Modify follow-up invoice and post again.
6. If interested in posting on a separate date:
Go to Application Settings, Invoicing and Select Invoicing Option to Prompt for Invoice Date when posting
Application settings that you must select in order to change posting date:
Shows how you are prompted when posting an invoice