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Simplify tax compliance with automated calculations, real-time rates, and effortless filing — all more seamlessly integrated with P21.
Eliminate manual work with instant, highly accurate tax calculations on every transaction directly inside P21.
Easily capture, store, and validate exemption certificates in P21 to reduce audit risk and keep your records always up to date.
File returns and remit payments to every jurisdiction automatically, saving hours of back-office time each month.
Stay compliant across thousands of tax jurisdictions with regularly updated rates and rules built into P21.
Reduce errors and exposure with more accurate tax calculations, validated data, and detailed reporting for every transaction.
Support growth into new markets without adding manual compliance burdens. Avalara scales alongside your P21 system.
AvaTax is the global tax engine at the heart of our AI-powered compliance platform. It delivers highly accurate, real-time tax calculations for multiple tax types (U.S. sales and use tax, VAT, and industry-specific taxes) across city, county, state, federal, and international jurisdictions.
Streamline exemption certificate management to increase efficiency, save time, and reduce risk. ECM automates the process of collecting, storing, and validating exemption certificates for businesses of any size. ECM managed over 51 million documents and certificates in 2024.
Avalara AvaTax for Accounts Payable automates consumer use tax compliance at scale. It uses real-time data and AI to determine product taxability, detect vendor sales tax errors, self-assess use tax, and allocate tax across jurisdictions — all from one centralized platform that integrates with most purchasing systems.
Here are some resources to get you started.
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