This standard value is loaded from the customer register, but it can be temporarily modified for a particular order. The payment terms must be registered in the Terms and Conditions procedure in the Global Settings.
You can also enter an optional text in this field by entering a zero (0) and then pressing Tab. In the first portion of the field you enter an optional payment term. In the second portion you enter the grace period in number of days.
The payment term is printed on the order.