#  Tax Forms 

 



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[**Tax Exemption Guidance for Purchases and Travel**](/tax-exemption-guidance-purchases-and-travel)  
The University, as a nonprofit educational institution, is exempt from Massachusetts sales and use tax and from sales and use tax in many other states. For purchasing guidance and policies, please visit the [Strategic Procurement website](https://procurement.finance.harvard.edu/).

[**501 (C) (3)** (Exception from federal income tax)](https://hu.sharepoint.com/:b:/s/FAD/EYw8eJckAhlDnVouyhMfXe0B93c3jV8hDtYpkwSNWHWiYg?e=laMdDV)

[W-9 Request for taxpayer ID number and certification](https://hu.sharepoint.com/:b:/r/sites/FAD-WebsiteFiles/Shared%20Documents/OC-Tax/Tax%20Forms/2026%20Form%20W9%20Signed.pdf?csf=1&web=1&e=9Ez7H2)

[**Blank W-9** (For new vendors)](https://www.irs.gov/forms-pubs/about-form-w-9)

[**ST-2** (MA certificate of exemption)](https://hu.sharepoint.com/:b:/s/FAD/EYEMXkCPH0JNsIerr76j4k8BXdC2Oizz3PUAnNmqACbJMg?e=1xbecp)

[ST-5 (MA sales tax exempt purchaser certificate)](https://hu.sharepoint.com/:b:/r/sites/FAD-WebsiteFiles/Shared%20Documents/OC-Tax/Tax%20Forms/Harvard%20ST-5%20SIGNED_2026.pdf?csf=1&web=1&e=WCdluU)

[ST-5C (MA contractor's sales tax exempt purchase certificate)](https://hu.sharepoint.com/:b:/r/sites/FAD-WebsiteFiles/Shared%20Documents/OC-Tax/Tax%20Forms/Harvard%20ST-5C_2026-SIGNED.pdf?csf=1&web=1&e=B98BQA)

[**Other States**](/state-sales-tax-exemptions) sales tax exemption forms

[**ST-4** (MA Sales Tax Resale Certificate)](https://hu.sharepoint.com/:b:/s/FAD/EUUH81PthpBKggO1MXhJ-jcBgP6qeWw0vgPyEQMj67DRFw?e=jStVvb)

[**Massachusetts Form W-9** (MA request for taxpayer identification and certification)](https://hu.sharepoint.com/:b:/s/FAD/EYFrgSIwi-tOlTus4NQ9vfUBwsY1SjX3JBzyOafkZv9UhQ?e=v4Qv2S)

**Use the Massachusetts exemption when purchasing goods in another state that will be shipped to Massachusetts.**