Procurement Services

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Requisitions

All purchases must be initiated through a requisition unless the purchase meets criteria for P-Card or Direct Pay. 

You may enter requisitions by either using "Banner Self-Service" (basic) or "Banner 9 Admin Pages" (advanced).

If you've never been in Banner, you will likely need to request access here.

Banner Self-Service Requisition Tutorial:

• Entering Requisitions

Banner 9 Admin Pages Requisition Tutorial:

• Entering Requisitions (2024) Slideshow with Tutorial
• Approving Requisitions (Video)
• Banner Purchase Requisition Training Manual

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New Vendors

Any person or entity that is paid by Winthrop is considered a vendor and must complete the required form(s) below in order to do business with Winthrop. The vendor should submit updated form(s) if any information changes or at least every 3 years, except Form 8233 which has an annual requirement. (This is an updated practice as of 2025 and will be gradually actualized throughout 2025-2026).

The vendor should email form(s) to purchasing@winthrop.edu before any goods or services have been agreed to. 

Banner will not let a requisition be entered until Procurement Services has added the vendor's profile to Banner.

USA Vendor | C-Corp

• W-9

USA Vendor | Individual / Not C-Corp

• W-9
• Independent Contractor Form (forthcoming)
• Contract for Professional Services (CPS) Form

International Vendor | Individual

• W-8BEN for grants, scholarships, or fellowship payments
• Form 8233 for services
• Note: If the vendor's country is listed here then they may qualify for a reduced withholding rate. International tax is complex and it is up to the vendor to complete the form completely & accurately. We may recommend that they engage a tax professional from their country to support the completion of this form if they lack sufficient expertise.
• Previous "Foreign Vendor Request Forms" are no longer accepted in lieu of the requirement above. This is an updated practice as of 2025 and will be gradually actualized throughout 2025-2026.

International Vendor | Entity

• W-8BEN-E
• Note: If the vendor's country is listed here then they may qualify for a reduced withholding rate. 
• Previous "Foreign Vendor Request Forms" are no longer accepted in lieu of the requirement above. This is an updated practice as of 2025 and will be gradually actualized throughout 2025-2026.