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Omnibus Pricing & Transparency Checklist
Cover the Omnibus Directive (EU) 2019/2161 rules on prior-price display, reviews, ranking and personalised pricing that have applied since 28 May 2022.
Law: Omnibus Directive
Guide
Omnibus & Price-Reduction Rules in France
How the Omnibus 30-day prior-price rule applies in France: the Code de la consommation, DGCCRF enforcement, and French display conventions for discounts…
Guide
Omnibus & Price-Reduction Rules in Italy
How the Omnibus 30-day prior-price rule applies in Italy: the Codice del Consumo, AGCM enforcement, and Italian display conventions for discounts on…
FAQ
Does the Omnibus 30-day rule apply to flash sales?
Short answer: yes. A flash sale is still an announcement of a price reduction, so the Omnibus 30-day lowest-prior-price rule applies. Here's…
FAQ
The Omnibus 30-day rule explained
How the Omnibus 30-day lowest-prior-price rule works, with worked examples of compliant and non-compliant discount displays for online shops.
FAQ
What is the ‘prior price’ or reference price?
The Omnibus 'prior price' or reference price is the lowest price a trader applied in the 30 days before a reduction. Here…
FAQ
What does the Omnibus Directive say about fake reviews?
The Omnibus Directive bans fake reviews and endorsements outright and requires shops to disclose whether and how they verify that reviews are…
Glossary Term
Reference price (prior price)
Glossary definition of the Omnibus reference price, or prior price: the lowest price applied in the 30 days before a reduction.
Guide
Omnibus & Price Display Rules in Germany
How the Omnibus 30-day prior-price rule applies in Germany through the Preisangabenverordnung (PAngV), how it is enforced, and what PrestaShop merchants must…
FAQ
Which Country’s Rules Apply When I Sell Across the EU?
A short answer for PrestaShop merchants: EU-wide regulations set the baseline, but national transposition, language and EPR obligations follow the destination country.
EU Law
The Omnibus Directive (EU) 2019/2161
What the EU Omnibus Directive means for online shops: the 30-day lowest-price rule, review transparency, ranking disclosure and 4% turnover fines.
Guide
The Complete Omnibus Directive Guide for PrestaShop Merchants (2026)
A practical, PrestaShop-specific guide to the EU Omnibus Directive: the 30-day prior-price rule, review transparency, ranking, penalties and more.