Set Up Payment Terms
For each payment term, you can specify if the payment can be made in installments. For example, you can define that a payment can be made in three installments with a third of the payment due after 30, 60, and 90 days.
If a payment term must be paid in one installment, you must still specify how the due date will be calculated.
To set up payment terms
- Choose the  icon, enter Payment Terms, and then choose the related link. icon, enter Payment Terms, and then choose the related link.
- Fill in the fields on the Payment Terms page. Hover over a field to read a short description.
- Choose the Calculation action.
- On the Payment Terms Lines page, fill in the fields as described in the following table. - Field - Description - Payment % - Specify the percentage of the total payment that this installment is for. 
 For example, if the payment must be made in one installment, enter 100.- Due Date Calculation - Specify the formula that is used to calculate the date that a payment must be made. 
 For example, if the payment must be made in one installment after two weeks, enter 14D. For more information, see Using Date Formulas- Discount Date Calculation - Specify the formula that is used to calculate the date that a payment must be made in order to obtain a discount. - Discount % - Specify the discount percentage that is applied for early payment of an invoice amount. 
- Choose the OK button. 
The Payment Nos. field on the Payment Terms page is updated. The payment terms that you set here will be a reference for automatic due date calculation for documents that you post for relevant customers and vendors.
See Also
 Set Up Automatic Payments and Automatic Bills
 Italy Local Functionality