11 septembre 2026 Cyber Resilience Act CRA : notification obligatoire des vulnérabilités activement exploitées et des incidents graves à l'ENISA/au CSIRT 20 septembre 2026 Latvia UIN (corporate income tax) Latvia: monthly corporate income tax (UIN) declaration due by the 20th when profit is distributed Récurrent 20 septembre 2026 Latvia PVN – EU supplies recapitulative statement Latvia: report on supplies of goods and services within the EU due by the 20th Récurrent 20 septembre 2026 Latvia PVN (VAT) return Latvia: VAT (PVN) return and payment due by the 20th Récurrent 27 septembre 2026 Empowering Consumers for the Green Transition Directive Autonomiser les consommateurs pour la transition écologique : l'interdiction des allégations environnementales vagues et non fondées s'applique 1 octobre 2026 Latvia natural resource tax (DRN) – packaging EPR Latvia: natural resource tax liability for non-recycled plastic packaging shifts to EPR scheme operators 15 octobre 2026 Latvia micro-enterprise tax (MUN) Latvia: micro-enterprise tax (MUN) quarterly declaration due by the 15th Récurrent 17 octobre 2026 Latvia self-employed VSAOI/IIN Latvia: self-employed person's quarterly VSAOI/IIN report due by the 17th Récurrent 20 octobre 2026 Latvia UIN (corporate income tax) Latvia: monthly corporate income tax (UIN) declaration due by the 20th when profit is distributed Récurrent 20 octobre 2026 Latvia PVN – EU supplies recapitulative statement Latvia: report on supplies of goods and services within the EU due by the 20th Récurrent 20 octobre 2026 Latvia PVN (VAT) return Latvia: VAT (PVN) return and payment due by the 20th Récurrent 20 octobre 2026 Latvia dabas resursu nodoklis (DRN) Latvia: natural resources tax (DRN) quarterly declaration due by the 20th Récurrent 31 octobre 2026 Latvia / EU One Stop Shop (OSS) VAT Latvia: OSS quarterly VAT return due by the end of the following month Récurrent 20 novembre 2026 Latvia UIN (corporate income tax) Latvia: monthly corporate income tax (UIN) declaration due by the 20th when profit is distributed Récurrent 20 novembre 2026 Latvia PVN – EU supplies recapitulative statement Latvia: report on supplies of goods and services within the EU due by the 20th Récurrent 20 novembre 2026 Latvia PVN (VAT) return Latvia: VAT (PVN) return and payment due by the 20th Récurrent 2 décembre 2026 EU AI Act AI Act : fin de la période de grâce pour le marquage des contenus générés par IA dans les systèmes préexistants ; interdiction des générateurs de deepfakes intimes non consentis 9 décembre 2026 Product Liability Directive Application de la nouvelle directive sur la responsabilité du fait des produits : la responsabilité sans faute s'étend aux logiciels, à l'IA et aux services numériques 20 décembre 2026 Latvia UIN (corporate income tax) Latvia: monthly corporate income tax (UIN) declaration due by the 20th when profit is distributed Récurrent 20 décembre 2026 Latvia PVN – EU supplies recapitulative statement Latvia: report on supplies of goods and services within the EU due by the 20th Récurrent 20 décembre 2026 Latvia PVN (VAT) return Latvia: VAT (PVN) return and payment due by the 20th Récurrent 24 décembre 2026 eIDAS 2 Portefeuille européen d'identité numérique : chaque État membre doit proposer un portefeuille ; les organismes publics doivent l'accepter 1 janvier 2027 Latvia micro-enterprise tax (MUN) Latvia: proposed simplified 10% micro-enterprise tax for individuals serving other individuals 12 janvier 2027 Data Act Data Act : les fournisseurs cloud doivent cesser de facturer les frais de changement de fournisseur et de sortie des données 15 janvier 2027 Latvia micro-enterprise tax (MUN) Latvia: micro-enterprise tax (MUN) quarterly declaration due by the 15th Récurrent 17 janvier 2027 Latvia self-employed VSAOI/IIN Latvia: self-employed person's quarterly VSAOI/IIN report due by the 17th Récurrent 20 janvier 2027 Latvia UIN (corporate income tax) Latvia: monthly corporate income tax (UIN) declaration due by the 20th when profit is distributed Récurrent 20 janvier 2027 Latvia PVN – EU supplies recapitulative statement Latvia: report on supplies of goods and services within the EU due by the 20th Récurrent 20 janvier 2027 Latvia PVN (VAT) return Latvia: VAT (PVN) return and payment due by the 20th Récurrent 20 janvier 2027 Latvia dabas resursu nodoklis (DRN) Latvia: natural resources tax (DRN) quarterly declaration due by the 20th Récurrent 20 janvier 2027 Machinery Regulation Le règlement sur les machines remplace la directive Machines : nouvelles exigences CE, y compris cybersécurité et logiciels 31 janvier 2027 Latvia / EU One Stop Shop (OSS) VAT Latvia: OSS quarterly VAT return due by the end of the following month Récurrent 18 février 2027 Battery Regulation Passeport numérique de batterie obligatoire pour les batteries de VE, de moyens de transport légers et industrielles de plus de 2 kWh 20 février 2027 Latvia UIN (corporate income tax) Latvia: monthly corporate income tax (UIN) declaration due by the 20th when profit is distributed Récurrent 20 février 2027 Latvia PVN – EU supplies recapitulative statement Latvia: report on supplies of goods and services within the EU due by the 20th Récurrent 20 février 2027 Latvia PVN (VAT) return Latvia: VAT (PVN) return and payment due by the 20th Récurrent 20 mars 2027 Latvia UIN (corporate income tax) Latvia: monthly corporate income tax (UIN) declaration due by the 20th when profit is distributed Récurrent 20 mars 2027 Latvia PVN – EU supplies recapitulative statement Latvia: report on supplies of goods and services within the EU due by the 20th Récurrent 20 mars 2027 Latvia PVN (VAT) return Latvia: VAT (PVN) return and payment due by the 20th Récurrent 15 avril 2027 Latvia micro-enterprise tax (MUN) Latvia: micro-enterprise tax (MUN) quarterly declaration due by the 15th Récurrent 17 avril 2027 Latvia self-employed VSAOI/IIN Latvia: self-employed person's quarterly VSAOI/IIN report due by the 17th Récurrent 20 avril 2027 Latvia UIN (corporate income tax) Latvia: monthly corporate income tax (UIN) declaration due by the 20th when profit is distributed Récurrent 20 avril 2027 Latvia PVN – EU supplies recapitulative statement Latvia: report on supplies of goods and services within the EU due by the 20th Récurrent 20 avril 2027 Latvia PVN (VAT) return Latvia: VAT (PVN) return and payment due by the 20th Récurrent 20 avril 2027 Latvia dabas resursu nodoklis (DRN) Latvia: natural resources tax (DRN) quarterly declaration due by the 20th Récurrent 30 avril 2027 Latvia / EU One Stop Shop (OSS) VAT Latvia: OSS quarterly VAT return due by the end of the following month Récurrent 30 avril 2027 Latvia extended producer responsibility (EPR) — EEE & batteries Latvia: electrical/electronic equipment & battery producer — annual audited EPR report due 30 April Récurrent 30 avril 2027 Latvia extended producer responsibility (EPR) — packaging Latvia: packaging & single-use tableware producer — annual audited EPR report due 30 April Récurrent 20 mai 2027 Latvia UIN (corporate income tax) Latvia: monthly corporate income tax (UIN) declaration due by the 20th when profit is distributed Récurrent 20 mai 2027 Latvia PVN – EU supplies recapitulative statement Latvia: report on supplies of goods and services within the EU due by the 20th Récurrent 20 mai 2027 Latvia PVN (VAT) return Latvia: VAT (PVN) return and payment due by the 20th Récurrent 31 mai 2027 Latvia annual report filing Latvia: annual report (gada pārskats) yearly filing deadline for micro and small companies Récurrent 1 juin 2027 Latvia personal income tax (IIN) — annual declaration Latvia: mandatory annual income declaration (gada ienākumu deklarācija) due 1 June Récurrent 20 juin 2027 Latvia UIN (corporate income tax) Latvia: monthly corporate income tax (UIN) declaration due by the 20th when profit is distributed Récurrent 20 juin 2027 Latvia PVN – EU supplies recapitulative statement Latvia: report on supplies of goods and services within the EU due by the 20th Récurrent 20 juin 2027 Latvia PVN (VAT) return Latvia: VAT (PVN) return and payment due by the 20th Récurrent 30 juin 2027 EUDR Règlement UE sur la déforestation : application du devoir de diligence aux micro et petites entreprises 9 juillet 2027 Instant Payments Regulation Règlement sur les paiements instantanés : envoi de paiements instantanés en euros et vérification du bénéficiaire obligatoires pour les banques hors zone euro (Pologne, Suède, Tchéquie, etc.) 15 juillet 2027 Latvia micro-enterprise tax (MUN) Latvia: micro-enterprise tax (MUN) quarterly declaration due by the 15th Récurrent 17 juillet 2027 Latvia self-employed VSAOI/IIN Latvia: self-employed person's quarterly VSAOI/IIN report due by the 17th Récurrent 20 juillet 2027 Latvia UIN (corporate income tax) Latvia: monthly corporate income tax (UIN) declaration due by the 20th when profit is distributed Récurrent 20 juillet 2027 Latvia PVN – EU supplies recapitulative statement Latvia: report on supplies of goods and services within the EU due by the 20th Récurrent 20 juillet 2027 Latvia PVN (VAT) return Latvia: VAT (PVN) return and payment due by the 20th Récurrent 20 juillet 2027 Latvia dabas resursu nodoklis (DRN) Latvia: natural resources tax (DRN) quarterly declaration due by the 20th Récurrent 31 juillet 2027 Latvia / EU One Stop Shop (OSS) VAT Latvia: OSS quarterly VAT return due by the end of the following month Récurrent 2 août 2027 EU AI Act AI Act : les modèles GPAI mis sur le marché avant août 2025 doivent être conformes 20 août 2027 Latvia UIN (corporate income tax) Latvia: monthly corporate income tax (UIN) declaration due by the 20th when profit is distributed Récurrent 20 août 2027 Latvia PVN – EU supplies recapitulative statement Latvia: report on supplies of goods and services within the EU due by the 20th Récurrent 20 août 2027 Latvia PVN (VAT) return Latvia: VAT (PVN) return and payment due by the 20th Récurrent 31 août 2027 Latvia extended producer responsibility (EPR) — EEE & batteries Latvia: electrical/electronic equipment & battery producer — interim EPR report due 31 August Récurrent