Looking at that screenshot - what is the 'use origin address on override' setting?
From a tax geek perspective, this seems like a dangerous setting, and should always be set to NO. TaxCloud knows where and when origin sourcing rules apply automatically. So, the first thing I would suggest is to change that setting.
Also: your shipping TIC should be set to either 11010 or 11000 - please review our documentation for the distinctions.
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