As of July 1, 2022, new 15-digit CES numbers are required when making purchases exempt from Wisconsin sales and use tax. If the new CES is not received prior to any purchase, sales and use tax will be withheld.
Tax
8233 – Exemption From Withholding on Compensation for Independent (and Certain Dependent) Personal Services of a Nonresident Alien Individual
The 8233 is an IRS mandated form to collect correct Nonresident Alien (NRA) taxpayer information for both individuals and entities for reporting purposes and to document their status for tax reporting purpose.
W-8BEN-E – Certificate of Entities Status of Beneficial Owner for United States Tax Withholding and Reporting (Entities)
The W-8BEN-E is an IRS mandated form to collect correct Nonresident Alien (NRA) taxpayer information for entities for reporting purposes and to document their status for tax reporting purpose.
W-8BEN – Certificate of Foreign Status of Beneficial Owner for United States Tax Withholding and Reporting (Individuals)
The W-8BEN is an IRS mandated form to collect correct Nonresident Alien (NRA) taxpayer information for individuals for reporting purposes and to document their status for tax reporting purpose.
W-9 – Request for Taxpayer Identification Number and Certification
The W-9 is an Internal Revenue Service (IRS) form in which a taxpayer provides their correct taxpayer identification number (TIN) to an individual or entity (Form W-9 requester) who is required to file an information return to report the amount paid to a payee, or other amount reportable on an information return.
Sales Tax Exempt Status Letter/Substitute W-9
A letter explaining UW-Madison’s tax-exempt status, including relevant ID numbers. This includes the tax-exempt certificate and may be used to respond to vendor inquiries.
Sales Tax Exempt Certificate
Sales Tax Exempt Certificate – UW-Madison