Accounts Payable (AP) ensures invoices for goods/services are properly processed according to all applicable University rules and regulations. Effective May 2022, Finance Service Delivery is responsible for Iowa State University (ISU) accounts payable processing, which includes:

• Processing payments of invoices authorized by purchase orders and supplier contracts.
• Providing exceptional customer service to faculty, staff, and ISU suppliers.
• Assisting suppliers with inquiries about invoice payment status.
• Assisting suppliers with invoice compliance.
• Requesting and processing credit memos or refunds.
• Ensure prompt payment to maximize available discounts.
• Investigating invoicing or payment errors.
• Assisting departments in settling disputes with a supplier.
• Assisting departments in understanding supplier invoice information.

ISU processes approximately 60,000 purchase orders or supplier contract invoices each fiscal year. Issuing payment to a supplier generally requires a purchase order or supplier contract. Please refer to Procurement and Payment Methods on the Procurement Services Website for information on the procurement process.