If you are a US institution, your finance department may need a valid W8 on file in order to pay our invoices.
A link to the most recent version of a filled W8-BEN-E form (Certificate of Status of Beneficial Owner for United States Tax Withholding and Reporting), which is often required by US institutions for the IRS.
Please note that the W9 form is not applicable because JMIR Publications is not a US entity but based in Canada.