> This page is for Documentation, version Integration guides (default).
> For other versions, use one of these documentation indexes:
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> For clean Markdown of any page, append .md to the page URL.
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# Before you begin

Welcome to the AvaTax for VAT Enterprise Resource Planning (ERP) integration guide. This guide is geared toward technology partners and API developers whose integrations will support transactions in the following countries/regions:

* Argentina
* Australia
* Austria
* Bahrain
* Belgium
* Canada
* Chile
* Columbia
* Croatia
* Cyprus
* Czech Republic
* Denmark
* Ecuador
* Estonia
* Finland
* France
* Germany
* Greece
* Hungary
* India
* Ireland
* Italy
* Japan
* Latvia
* Lithuania
* Luxembourg
* Malaysia
* Malta
* Mexico
* Netherlands
* New Zealand
* Norway
* Philippines
* Poland
* Portugal
* Romania
* Saudi Arabia
* Serbia
* Singapore
* Slovakia
* Slovenia
* South Africa
* South Korea
* Spain
* Sweden
* Switzerland
* Thailand
* Turkey
* United Arab Emirates
* United Kingdom

This guide describes the steps to follow to integrate AvalaraAvaTax for VAT into your ERP system. Upon completion, your integration will be able to calculate VAT and retrieve and store VAT codes and invoice messages. We've broken these steps down into individual milestones in the order that you should complete them.

For API customers, we recommend that you follow this guide when using AvaTax APIs in your own systems.

**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).

> **Note**
>
> Part of the **VAT for ERPs** integration guide. [Open the full "Before you begin" milestone on Avalara](https://developer.avalara.com/vat-erp/about-this-guide/) to see every page in this section.