Spain has postponed the implementation of the Verifactu Ordinance to 2027, extending the original July 2025 deadline. An extraordinary opt‑out window for voluntary SII participants runs from 26 December 2025 to 31 January 2026, allowing withdrawal via Form 036/037 effective 1 January 2026. The decree also clarifies that mandatory SII participants cannot opt out and that non‑compliant invoicing software cannot be sold after 29 July 2025.

The Czech Tax Agency clarified input VAT deduction rules for acquisitions of long‑term assets effective 1 January 2025. The guidance outlines procedures for partial deductions, incorporates the EU cross‑border regime for small enterprises, and sets a deadline for claiming deductions by the end of the second calendar year after the relevant year.

Poland’s draft law seeks to align the third‑party liability provisions for capital company tax arrears (art. 116 of the Tax Ordinance) with EU Court of Justice rulings C‑277/24 (Adjak) and C‑278/24 (Genzyński). It proposes new rights for third parties to challenge tax determinations and access case files, and to clarify board member responsibilities. The draft is slated for presentation to the Sejm in the first or second quarter of 2026.

The UK Supreme Court is hearing a case on whether Hotel La Tour Ltd can recover the VAT paid on professional fees incurred to facilitate the sale of shares in its subsidiary. The dispute centers on the link between the input VAT and the company’s taxable activities. The judgment, issued 17 December 2025, will clarify the recoverability of such VAT in similar share‑sale contexts.