How do I proceed when my tax details are marked Invalid? Harshita Sharma August 14, 2023 10:37 Updated Domestic vendors can update their tax details when the Tax ID is found to be invalid. Read this article to learn how to validate the Tax IDs for vendors. Related articles Tax ID Validation on Vendor Portal Update Vendor Portal Account How does Airbase handle Tax ID Validation? Two-Factor Authentication (2FA) Sign Up and Onboard to Airbase Vendor Portal Comments 0 comments Please sign in to leave a comment.