Contact person: Business Client

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Location: Greenock, United Kingdom

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I need a custom module for a Shopify store that removes VAT automatically when a VAT-exempt customer places a qualifying product in the cart. The Shopify store is still under development.

— Scope and logic
• Exemption must depend on two simultaneous checks: the customer is flagged as VAT-exempt (for this the customer most fill a TAX-exemption form and this form should be stored against his/her account on our Shopify store) and that the product carries a specific tag that marks it as zero-rated. If either condition is missing, normal VAT should apply.
• The cart and checkout have to update taxes in real time—no manual switch or customer prompt.
• The solution should respect all other native Shopify tax rules and keep reports intact.

— Preferred approach
I’m open to Liquid customisation, a small private app, or a Shopify Functions/Script solution (whichever fits my non-Plus plan best). Code must be lightweight, easily maintained through future theme or Shopify updates, and documented so my team can adjust tags or customer flags without developer help.

— Deliverables
1. Fully implemented VAT-exemption logic in the storefront and checkout
2. Short installation & maintenance guide
3. One round of post-deployment testing to confirm totals, invoices and export reports are correct

Experience with Shopify tax APIs, Scripts or Functions is essential, and a quick turnaround is appreciated." (client-provided description)