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For any questions regarding the status of a vendor please email vendor maintenance at vendormaintenance@columbia.edu or contact a member of the vendor maintenance team. Fax Policy Please do not fax any paperwork or documentation to vendor maintenance unless a vendor maintenance specialist requests it. This includes form w-9 and updated address information. Our fax number is 854-9352. Need more help? Contact Us: AP Service Center, AP Staff Directory. |
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