TaxJar for Dynamics Connector SIMPLIFY YOUR SALES TAX COMPLIANCE WITH TAXJAR TaxJar is the leading technology solution for busy eCommerce sellers to manage sales tax and is trusted by more than 20,000 businesses. Our TaxJar for Dynamics NAV or Business Central, guarantees you seamless integration to your ERP, so you can have everything in one place. The connector makes it easy to automate sales tax reporting and filing, and determine economic nexus with a single click. HOW IT WORKS The TaxJar for Dynamics connector utilizes TaxJar SmartCalcs to instantly provide you with accurate sales tax rate within Dynamics for any given sales transaction.