Tax Exemption Forms
Form W-9 Request for Taxpayer Identification Number and Certification: Companies obtaining personal services from Purdue request this form to verify Purdue's tax identification number and exemption from tax withholding. Please print this form and date it. Include the correspondence and/or reference numbers, and fax/mail the form directly to the requestor.
Form ST-105 Indiana Department of Revenue General Sales Tax Exemption Certificate: Vendors who sell or lease to Purdue request this form to verify Purdue's exemption from sales tax. You may print this form and date it. Include the correspondence and/or reference numbers, and fax/mail the form directly to the requestor.
Form ST-108E Indiana Department of Revenue Certificate of Exemption for the Purchase of a Motor Vehicle or Watercraft: You must fill out the form and get it signed by Organizational Tax.
IRS "Determination Letter": Companies may request verification of Purdue's tax-exempt status or "501(c)(3) status". This letter from the IRS may be used to respond to such requests.
Out-of-State Purchase Exemption Certificates
Sales tax laws differ by state. Not all nonprofit organizations, educational institutions, or governmental entities from other states are exempt from paying sales taxes on purchases in a particular state. States that have granted Purdue University exemption from their sales tax have provided the following certificates or rules for use while purchasing within their borders.
When using an exemption certificate, make certain that all purchases are made in the name of Purdue University, are consistent with Purdue’s exempt purposes, and are made only with University funds.
ALASKA – None. No State Sales Tax, but local sales tax in Juneau may apply
COLORADO – Use Indiana certificate ST-105
DELAWARE – None. No State Sales Tax
MONTANA – None. No State Sales Tax
NEW HAMPSHIRE – None. No State Sales Tax, but Meals & Rentals Tax may apply
OREGON – None. No State Sales Tax
Not Exempt in These States – Pay the Tax
Hawaii – No State Sales Tax, but General Excise Tax applies to all purchasers