Chapter 5. Contracts 85 Figure 5- 4 Purchase Contract - Contract Lines Using this tab, you also may create a payment schedule, add vendor items, or other standard services: Payment Schedule Click Payment Schedule to open the Payment Schedules dialog box and create a schedule of payments for contract line items. You create a schedule at the line item level. The schedule can be created when the contract is approved. Vendor Items Click Vendor Items to open the Vendor Items dialog box and select items supplied by that vendor. This dialog box is accessible from multiple applications. 5.4 Using terms and conditions Terms and conditions are requirements that are defined for contracts and purchasing records, often by a legal department. You use the Terms and Conditions application to enter and maintain a library of terms and conditions that can be added to a purchasing record or contract. These terms can contain information such as liability concerns, shipping and handling details, or delivery time expectations. The terms entered in the Terms and Conditions application are Note: When adding new Contract Lines, you can specify whether to allow certain changes to an associated PR or PO: Change Quantity on Use? If this check box is selected, you may modify the line quantity on an associated PR or PO. Change Price on Use? If this check box is selected, you may modify the line price on an associated PR or PO.