In order to set up a group of "Invoice Messages" to appear on invoices, from the Main Menu Bar click on Set-up / Favorite Filters / Invoice Messages. Click on the Add selection or Add icon and enter your messages.
Each message lets you enter up to 12 lines of information. This feature can save you time if you have certain messages that you send at certain times of the year. You can enter an unlimited number of messages; just highlight the desired message on the left and click the Edit icon to make any changes. Click Set or the Heart icon to select your favorite message to be used on invoices.