Frequently Asked Questions
33 questions answered
Can't find your answer? Contact us at
support@j-stars.ca
Getting Started
+ What is an HS code and why do I need one?
+ What countries are supported?
+ How do I get started?
+ Can I choose which countries to classify for?
Accuracy & Classification
+ How accurate are the classifications?
+ What do the confidence scores mean?
+ What is GRI reasoning?
+ What are alternative classifications?
+ What is material extraction?
+ How does the consistency check work?
+ How accurate are Chinese HS codes?
+ Can I correct a wrong classification?
+ Can I be penalized for using the wrong HS code?
+ Are your tariff rates guaranteed accurate?
+ What happens when tariff rates change?
Pricing & Limits
+ What's included in the Free plan?
+ What are the paid plans?
+ What counts as one classification?
+ When does my limit reset?
Technical
+ Where do the HS codes get saved in Shopify?
+ Does this work with Shopify's duty calculator?
+ How does bulk classification work?
+ Can I export my classifications?
Privacy & Data
+ What data does the app store?
+ What is data sharing and can I opt out?
+ What happens to my data if I uninstall?
+ Is my product data sent anywhere else?
Support
+ How do I get help?
+ The app gave me a wrong code — what should I do?
+ Do you guarantee classification accuracy?
+ I hit my classification limit — what do I do?
+ Do you recommend a customs broker?
+ What are your limitations as a classification tool?
Still Have Questions?
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Last updated: May 2026