11 September 2026 Cyber Resilience Act CRA: mandatory reporting of actively exploited vulnerabilities and severe incidents to ENISA/CSIRT 20 September 2026 Lithuania i.SAF VAT invoice register Lithuania: i.SAF VAT invoice register submission due by the 20th Recurring 25 September 2026 Lithuania PVM (VAT) return Lithuania: VAT (PVM) return (FR0600) and payment due by the 25th Recurring 27 September 2026 Empowering Consumers for the Green Transition Directive Empowering Consumers for the Green Transition: ban on vague/unsubstantiated environmental claims applies 30 September 2026 Lithuania PSD (self-employed compulsory health insurance) Lithuania: monthly compulsory health insurance (PSD) contribution for individual activity, due by month-end Recurring 20 October 2026 Lithuania i.SAF VAT invoice register Lithuania: i.SAF VAT invoice register submission due by the 20th Recurring 25 October 2026 Lithuania PVM (VAT) return Lithuania: VAT (PVM) return (FR0600) and payment due by the 25th Recurring 30 October 2026 Lithuania packaging EPR (GPAIS) Lithuania: quarterly packaging/product producer report via GPAIS due 30 days after quarter-end Recurring 31 October 2026 Lithuania PSD (self-employed compulsory health insurance) Lithuania: monthly compulsory health insurance (PSD) contribution for individual activity, due by month-end Recurring 31 October 2026 Lithuania VAT (EU One-Stop-Shop scheme) Lithuania: One-Stop-Shop (OSS) VAT return for cross-border B2C sales, due end of month after each quarter Recurring 20 November 2026 Lithuania i.SAF VAT invoice register Lithuania: i.SAF VAT invoice register submission due by the 20th Recurring 25 November 2026 Lithuania PVM (VAT) return Lithuania: VAT (PVM) return (FR0600) and payment due by the 25th Recurring 30 November 2026 Lithuania PSD (self-employed compulsory health insurance) Lithuania: monthly compulsory health insurance (PSD) contribution for individual activity, due by month-end Recurring 2 December 2026 EU AI Act AI Act: end of grace period for marking AI-generated content in pre-existing systems; ban on non-consensual intimate deepfake generators 9 December 2026 Product Liability Directive New Product Liability Directive applies: strict liability extends to software, AI and digital services 20 December 2026 Lithuania i.SAF VAT invoice register Lithuania: i.SAF VAT invoice register submission due by the 20th Recurring 24 December 2026 eIDAS 2 EU Digital Identity Wallet: every Member State must offer a wallet; public bodies must accept it 25 December 2026 Lithuania PVM (VAT) return Lithuania: VAT (PVM) return (FR0600) and payment due by the 25th Recurring 31 December 2026 Lithuania PSD (self-employed compulsory health insurance) Lithuania: monthly compulsory health insurance (PSD) contribution for individual activity, due by month-end Recurring 12 January 2027 Data Act Data Act: cloud providers must stop charging switching and data-egress fees 20 January 2027 Lithuania i.SAF VAT invoice register Lithuania: i.SAF VAT invoice register submission due by the 20th Recurring 20 January 2027 Machinery Regulation Machinery Regulation replaces the Machinery Directive: new CE requirements including cybersecurity and software 25 January 2027 Lithuania PVM (VAT) return Lithuania: VAT (PVM) return (FR0600) and payment due by the 25th Recurring 30 January 2027 Lithuania packaging EPR (GPAIS) Lithuania: quarterly packaging/product producer report via GPAIS due 30 days after quarter-end Recurring 31 January 2027 Lithuania PSD (self-employed compulsory health insurance) Lithuania: monthly compulsory health insurance (PSD) contribution for individual activity, due by month-end Recurring 31 January 2027 Lithuania VAT (EU One-Stop-Shop scheme) Lithuania: One-Stop-Shop (OSS) VAT return for cross-border B2C sales, due end of month after each quarter Recurring 18 February 2027 Battery Regulation Digital battery passport mandatory for EV, light-transport and industrial batteries above 2 kWh 19 February 2027 Lithuania packaging EPR (GPAIS) Lithuania: annual packaging/product producer report via GPAIS due 19 February Recurring 20 February 2027 Lithuania i.SAF VAT invoice register Lithuania: i.SAF VAT invoice register submission due by the 20th Recurring 25 February 2027 Lithuania PVM (VAT) return Lithuania: VAT (PVM) return (FR0600) and payment due by the 25th Recurring 28 February 2027 Lithuania PSD (self-employed compulsory health insurance) Lithuania: monthly compulsory health insurance (PSD) contribution for individual activity, due by month-end Recurring 20 March 2027 Lithuania i.SAF VAT invoice register Lithuania: i.SAF VAT invoice register submission due by the 20th Recurring 25 March 2027 Lithuania PVM (VAT) return Lithuania: VAT (PVM) return (FR0600) and payment due by the 25th Recurring 31 March 2027 Lithuania PSD (self-employed compulsory health insurance) Lithuania: monthly compulsory health insurance (PSD) contribution for individual activity, due by month-end Recurring 20 April 2027 Lithuania i.SAF VAT invoice register Lithuania: i.SAF VAT invoice register submission due by the 20th Recurring 25 April 2027 Lithuania PVM (VAT) return Lithuania: VAT (PVM) return (FR0600) and payment due by the 25th Recurring 30 April 2027 Lithuania PSD (self-employed compulsory health insurance) Lithuania: monthly compulsory health insurance (PSD) contribution for individual activity, due by month-end Recurring 30 April 2027 Lithuania packaging EPR (GPAIS) Lithuania: quarterly packaging/product producer report via GPAIS due 30 days after quarter-end Recurring 30 April 2027 Lithuania VAT (EU One-Stop-Shop scheme) Lithuania: One-Stop-Shop (OSS) VAT return for cross-border B2C sales, due end of month after each quarter Recurring 4 May 2027 Lithuania GPM (individual activity annual income tax) Lithuania: self-employed (individual activity) annual income tax return (GPM311) and payment, due 4 May 2027 Recurring 4 May 2027 Lithuania VSD/PSD (self-employed social insurance) Lithuania: annual VSD and PSD contributions settlement for individual activity, due 4 May 2027 Recurring 20 May 2027 Lithuania i.SAF VAT invoice register Lithuania: i.SAF VAT invoice register submission due by the 20th Recurring 25 May 2027 Lithuania PVM (VAT) return Lithuania: VAT (PVM) return (FR0600) and payment due by the 25th Recurring 31 May 2027 Lithuania PSD (self-employed compulsory health insurance) Lithuania: monthly compulsory health insurance (PSD) contribution for individual activity, due by month-end Recurring 31 May 2027 Lithuania Company Law (Akcinių bendrovių įstatymas) Lithuania: AGM approval and Legal Entities Register filing of annual financial statements, yearly 5-month deadline Recurring 15 June 2027 Lithuania corporate income tax (Pelno mokesčio įstatymas) Lithuania: annual corporate income tax return (PLN204) due 15 June Recurring 20 June 2027 Lithuania i.SAF VAT invoice register Lithuania: i.SAF VAT invoice register submission due by the 20th Recurring 25 June 2027 Lithuania PVM (VAT) return Lithuania: VAT (PVM) return (FR0600) and payment due by the 25th Recurring 30 June 2027 Lithuania PSD (self-employed compulsory health insurance) Lithuania: monthly compulsory health insurance (PSD) contribution for individual activity, due by month-end Recurring 30 June 2027 EUDR EU Deforestation Regulation: due diligence applies for micro and small enterprises 9 July 2027 Instant Payments Regulation Instant Payments Regulation: sending instant euro payments and Verification of Payee mandatory for non-euro-area banks (Poland, Sweden, Czechia, etc.) 20 July 2027 Lithuania i.SAF VAT invoice register Lithuania: i.SAF VAT invoice register submission due by the 20th Recurring 25 July 2027 Lithuania PVM (VAT) return Lithuania: VAT (PVM) return (FR0600) and payment due by the 25th Recurring 30 July 2027 Lithuania packaging EPR (GPAIS) Lithuania: quarterly packaging/product producer report via GPAIS due 30 days after quarter-end Recurring 31 July 2027 Lithuania PSD (self-employed compulsory health insurance) Lithuania: monthly compulsory health insurance (PSD) contribution for individual activity, due by month-end Recurring 31 July 2027 Lithuania VAT (EU One-Stop-Shop scheme) Lithuania: One-Stop-Shop (OSS) VAT return for cross-border B2C sales, due end of month after each quarter Recurring 2 August 2027 EU AI Act AI Act: GPAI models placed on the market before August 2025 must comply 20 August 2027 Lithuania i.SAF VAT invoice register Lithuania: i.SAF VAT invoice register submission due by the 20th Recurring 25 August 2027 Lithuania PVM (VAT) return Lithuania: VAT (PVM) return (FR0600) and payment due by the 25th Recurring 31 August 2027 Lithuania PSD (self-employed compulsory health insurance) Lithuania: monthly compulsory health insurance (PSD) contribution for individual activity, due by month-end Recurring