How does address validation work?

How does it work?

During the tax rate calculations, nopCommerce returns a city and state. If Avalara returns a different city or state than nopCommerce sends, our tool will run address validation. In this example, the validator will work:

In the next example, the state and city are correct. This will be uncorrected:

As nopCommerce users advance, the plugin attempts to get tax rates again. To save time, the plugin stores the rates in memory and validates the address once. If the cart remains identical, then the validation tool never runs.

Can I tell the plugin to validate, regardless of the city and state being correct?

On the nopCommerce Avalara configure page, check validate street and postal: