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EU shop rules: what developers need to change this weekend

If you build or maintain online shops for EU customers, three rules changed this year, and one of them starts tomorrow, Sunday 27 September 2026 . Here's what they mean in code, plus two gotchas I ran into while implementing them for WooCommerce. Not legal advice. Everything below is from the official sources linked at the end. 1. The EU legal guarantee notice (from 27 September 2026) Every…

EU rules changed this weekend for online shops dealing with European customers. Three key regulations took effect: the EU legal guarantee notice, the withdrawal button, and green claims bans. The notice requires sellers to display an official EU guarantee statement prominently on their sites, including a link to the official document.

The withdrawal button mandates a clear option for customers to cancel online purchases, with a specific procedure for handling withdrawals. Lastly, green claims are now banned unless backed by recognized environmental certifications. Developers should update their sites to comply with these regulations to avoid legal issues.

Written by urgent.news from Dev.to's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.

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