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Tax Exemption Forms

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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-109 Utility Exemption Letter

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 Certificate for Kentucky

Out-of-State Purchase Exemption Certificate for Florida

Out-of-State Purchase Exemption Certificate for Texas