International Tax and VAT Committed Tax Calculation {#tax-com-call-int-intro}
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Use a committed tax calculation to include the owed tax amount with a capture.  
To commit a tax calculation, include the taxService_commitIndicator field set to `true` in a tax calculation request.

Endpoint {#tax-com-call-int-intro_tax-endpoint}
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Set the `taxService` field to `true`.  
Send the request to `https://ics2ws.ic3.com/commerce/1.x/transactionProcessor`.