Open the 
Payment Methods
window.
On each line, fill in the various fields. For Help about a specific field, click the field and press F1.
Repeat this procedure for each code you want to set up.
Payment methods are used to specify the way in which an invoice will be paid. You can set up any number of payment method codes.
Open the Payment Methods
window.
On each line, fill in the various fields. For Help about a specific field, click the field and press F1.
Repeat this procedure for each code you want to set up.
The payment methods are also used in the Sales & Receivables application area. Therefore, changing the payment methods codes will also take effect in the Sales & Receivables application area.
Assigning Payment Methods to Vendors