Cartnorm blogPractical guides on EU rules for WooCommerce shops: the Omnibus 30-day lowest price, discounts and B2B VAT.https://cartnorm.com/enThe EU Omnibus 30-day lowest price rule for WooCommerce: what to show and wherehttps://cartnorm.com/blog/omnibus-30-day-lowest-price-woocommerce/https://cartnorm.com/blog/omnibus-30-day-lowest-price-woocommerce/What Article 6a of Directive 98/6/EC requires, which price is the reference, what the Aldi Süd ruling changed, how countries differ, and how to show it in WooCommerce.Tue, 20 Oct 2026 12:00:00 GMTOmnibusWooCommercePrice reductionshello@cartnorm.com (Rustam Iuldashov)Raised the price before a sale? How the Omnibus rule treats ithttps://cartnorm.com/blog/price-increase-before-sale-omnibus/https://cartnorm.com/blog/price-increase-before-sale-omnibus/Why a price increase shortly before a discount does not make the discount bigger under EU law, with worked examples of the 30-day window, repeated sales and stepped discounts.Tue, 20 Oct 2026 11:00:00 GMTOmnibusPrice reductionsBlack Fridayhello@cartnorm.com (Rustam Iuldashov)EU B2B VAT in WooCommerce: VIES checks, reverse charge and invoice wordinghttps://cartnorm.com/blog/eu-b2b-vat-woocommerce-vies-reverse-charge/https://cartnorm.com/blog/eu-b2b-vat-woocommerce-vies-reverse-charge/When a WooCommerce shop can charge 0% VAT to a business customer in another EU country, how to check the VAT number in VIES, what the invoice must say, and what to keep as proof.Tue, 20 Oct 2026 10:00:00 GMTVATB2BVIESWooCommercehello@cartnorm.com (Rustam Iuldashov)