Invalid tax IDs can create compliance headaches, result in failed transactions, and lead to potential penalties. This comprehensive guide shows you how to validate VAT, GST, and other tax IDs at scale, from initial master data cleanup to automated, ongoing validation across more than 100 countries.

In this guide, you will learn how to:

• Clean up existing master data and establish a validated baseline before automating future checks
• Validate tax IDs at customer and supplier onboarding to catch errors before they impact transactions
• Set up periodic bulk re-validation schedules that catch registration changes and cancellations
• Choose the right validation tools, from free government APIs to enterprise solutions like Fonoa Lookup
• Build an action plan that reduces compliance risk while freeing your team from manual verification work