Saint Louis University

Purchase Orders

A purchase order is the official document which authorizes the procurement of goods and services from a vendor for which the University will be financially liable.

To initiate a purchase order, the requisitioning department must complete a purchase requisition which will be electronically routed to pre-determined individuals for approval. After reviewing approved purchase requisitions, Financial Commitment will issue a purchase order to the vendor. A copy of the Purchase Order will be forwarded to the requisitioning department via email.

Purchase order numbers are a seven digit number preceded by an alpha character as identified below.

  • P - Purchase Order With Amount Greater Than $100.00
  • U - Lease Standing Order (Multiple Payments) Maintenance/Lease
  • S - Standing Order (Multiple Orders and Payments)
  • K - Utilities Purchase Order
  • E - Emergency Purchase Order
  • C - Check Enclosed Order
  • W - Work Order for Construction/Renovation Project (Facilities Services)

Orders which require an enclosed check will be forwarded to Accounts Payable with supporting documentation for processing by the Central Processing Center (CPC).

In order to ensure that Vendors receive a copy of the finalized Purchase Order, the Department should confirm with CPC that an email address is on file for that Vendor.  Vendors who do not have an email address in Banner may not receive copies of the Purchase Order.  

Purchase orders will not be issued for amounts under $100 if the vendor accepts the Amex P-Card.  Items costing less than $100 should be purchased with P-Card, if available, or by using a eSeePay DPV.   Purchase orders under $100 can be created if the vendor does not accept the Amex P-Card or if the item being purchased is on the P-Card prohibited list.   In addition, this policy does not apply to grant related purchases. 

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