To effectively do business with Cornell, suppliers must register with the university and/or provide the appropriate IRS W-9 or W-8 form. These forms are necessary to ensure the following:
If these forms are required, Procurement and Payment Services will email the supplier with either a link to our automated supplier registration tool or paper forms to be completed and returned.
ACH enrollment allows Cornell to securely and economically pay vendors and other payees through the Automated Clearing House (ACH) system (i.e., direct deposit). For vendors, this service is an efficient alternative to receiving paper check payments.
According to IRS regulations, Cornell University must obtain your correct taxpayer identification number to report income paid to you. Please fax this completed form to the Cornell Procurement Services at (607) 255-9450.
Caution: Do not email scanned copies of W-9 or W-8 forms. Email is not secure.
Use Form W-9 only if you are a U.S. citizen, resident alien, estate, domestic trust, partnership, corporation, company, or association created or organized in the United States or under the laws of the United States.
Note: The IRS has modified this form to include FACTA reporting codes. Please follow the instructions on the form.
For use by individuals (including non-resident aliens) to document your foreign status.
For use by entities (e.g., partnership, corporation, company, or association) to document your foreign status.
Please refer to the instructions on the IRS website (PDF, 187 KB) for help selecting the appropriate W-8 form.