# About this guide

Source: https://developer.avalara.com/products/crossborder/integration-guides/avatax-for-cdit/xlo1247380839307/

Guide: AvaTax Cross-Border (Customs Duty and Import Tax)

# About this guide

This guide explains how to integrate AvaTax for Customs Duty and Import Tax into your system.

Welcome to the AvaTax for Customs Duty and Import Tax integration guide. AvaTax for Customs Duty and Import Tax delivers real-time transaction tax and cross-border rates directly into shopping carts or invoicing systems at the time of purchase. This functionality enables sellers to determine the customs charges and sales tax in real time. The solution references a product’s Harmonized Systems (HS) code and country-specific customs duty and import tax calculations.

This guide walks you through the steps for integrating AvaTax for Customs Duty and Import Tax into your system.

Note

This document assumes that you are familiar with AvaTax for VAT and that you have already integrated AvaTax for VAT into your system and earned a [VAT badge](https://developer.avalara.com/certification/avatax/VAT-badge/).

Notice

The information provided in this Integration Guide is based on standard practices. It is up to each individual developer to determine the applicability of such information and to verify the functionality and use of the information. All information, including examples of code, is provided on an "As-is" basis. Use of Avalara's website is covered by Avalara's site terms located here: [https://www.avalara.com/us/en/legal/site-terms.html](https://www.avalara.com/us/en/legal/site-terms.html).