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Avalara Help Center

Why is the same address showing different rates between Avatax and the website

Issue Overview
I am getting a different rate for the same address in Tennessee between the site and our admin console.
Environment
Avalara Avatax
salestax.avalara.com
Resolution
With SST we are required to use the SST boundary data that is zip code based, which can sometimes be different from our ACM data/website which is geo coded with longitude and latitude. The ACM data is more exact, but are contract with the states requires us to use the SST state data.