Forms and Documents for USC Suppliers

The forms and documents listed below are available for download under Related Documents (right), or by click on the bullet item. To obtain a copy of the USC Credit Application, please send an email request to

Informational Documents

  • USC Purchase Order Terms and Conditions
  • Primary Shipping Terms
  • USC’s Completed IRS W-9: Request for Taxpayer Identification Number and Certification
  • Furniture Installation Requirements
  • Affirmative Action Notice

Tax Forms

  • Form 590: Withholding Exemption Certificate for California nonresidents requesting exemption from 7% withholding – To obtain the current form, go to the California Franchise Tax Board website, type “590” in the Form Number and/or Keywords field and click the Get Forms button.
  • Form W-9 for Suppliers and Individuals