# Reasonable errors on service-side analysis

Source: https://developer.avalara.com/products/excise/integration-guides/excise/ezl1499683752145/

Guide: AvaTax Excise

# Reasonable errors on service-side analysis

Understand the requirements for handling errors in AvaTax implementations.

**Element type: Required**

Now that you understand error handling in AvaTax, a requirement is that your implementation shouldn’t include errors except those that result from normal (but invalid) user input (for example, invalid address data). These errors must be logged/displayed appropriately in the application.