1: An invoice due date is controlled by the setting of the Invoice header.
The user can control the due date by selecting the Due option when they create or edit the header.
Note: If the invoice is closed and you want to change the due date, you will need to open the invoice first.
2: The invoices 'Due' setting is passed through to the invoice header from the customer's database Trading Terms setting.
To create the correct due date, or if you create an invoice and discover that the due date is incorrect:
1. Edit the invoice header 'Due' setting
2. Check the setting of the 'Trading Terms' inside the database
NEW CONTACT DEFAULT SETTING
The New Contact Default setting can be found at:
Platform > Setup > Database > New Contact Information