Accounts Payable

Invoice Information

If a department receives an invoice for an order with an associated Purchase Order, please attach the invoice electronically to the Receipt in Workday. If the invoice is received after the Receipt has been processed, please write the Purchase Order number and the Receipt number on the invoice and forward to


If a department receives an invoice for an order that does not have an associated Purchase Order:

1) Please contact Purchasing to determine if it should be assigned a Purchase Order number.

2) If the purchase does not require a Purchase Order, create a Supplier Invoice Request in Workday and attach the invoice electronically for payment processing.

3) If this is a refund/payment without an invoice supplied, please complete the Ad Hoc Payment Request Form.


*Original invoices DO NOT need to be forwarded to the Accounts Payable department.

Supplier Information

In order to reduce cost, improve efficiency and expedite the processing of accounts payable payments, all suppliers are encouraged to accept electronic payments via Automated Clearing House (ACH).  

Therefore, all suppliers doing business with Southeastern Louisiana University must complete and sign the "Supplier Setup Form" and the "Substitute W-9 Form".  Financial Institution Information is required in order to receive electronic payments via Automated Clearing House (ACH).

The required forms are now located on the Purchasing section of the University's website and should be emailed to once completed.

Training Resources

Southeastern's Workday training page can be accessed by visiting: If you are prompted to enter a username and password, your username is your W number and your password is the same as your email password. 


Contact Us

Controller's Office
SLU 10720
Hammond, LA 70402