DETERMINATION 5.7 - Test/UAT/Prod endpoints

We are at the process of upgrading our message to include security header messages. The current endpoint we are using to test is

https://idtlab-uat.hostedtax.thomsonreuters.com/sabrix/services/taxcalculationservice/2011-09-01/taxcalculationservice

For the DETERMINATION 5.7 can you please provide the updated endpoint.

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