The policy for SOAP Web Services in NAV 2013 states that they always run in EN-US culture. In NAV 2009 it was reported a buggy scenario that was solved in build 32558 and upcoming ones. However after collecting some feedback a workaround was built for NAV 2009. This workaround was temporary as product team did not want to introduce a breaking change in a Hotfix without a way to revert to the original behavior.
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