Calculating International Tax and VAT {#tax-request-calculating-international-tax-vat}
======================================================================================

Before calculating international tax, make sure that the country is on the list of [Supported Countries and Regions](/docs/cybs/en-us/tax-calculation/developer/all/so/tax-calculation/tax-info-supported-country-regions.md "").

> One tax service request should not include more than 50 line items. When you send a request with more than 50 line items, the request could time out.

VAT Number
----------

When you include the or field and VAT rules and rates are applicable, the service calculates a VAT tax, and the relevant tax amounts are returned in the response.  
There are some countries where VAT registration is not required. More details are mentioned in [Supported Countries and Regions](/docs/cybs/en-us/tax-calculation/developer/all/so/tax-calculation/tax-info-supported-country-regions.md "").

Product Codes
-------------

If a product is subject to special tax considerations, provide the appropriate tax product code in the field in the request. To use a product code that is not listed in the available guides, contact customer support for information about how to proceed.

Tax Per Item
------------

When the tax calculation service succeeds, the response includes a tax amount for each item and indicates whether the tax amount was calculated by the tax calculation service or provided by you.

Endpoint {#tax-request-calculating-international-tax-vat_tax-endpoint}
----------------------------------------------------------------------

Set the `taxService` field to `true`.  
Send the request to `https://ics2ws.ic3.com/commerce/1.x/transactionProcessor`.