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.

Denmark’s Digital Bookkeeping Act entered its final rollout phase on 1 January 2026, extending mandatory certified digital bookkeeping to about 118,000 small and foreign entities with turnover above DKK 300,000. The country also cancelled the OIOUBL 3.0 e‑invoice format on 14 January 2026, with new specifications to be clarified on 24 February 2026.

The UAE Peppol Testbed has been upgraded to support service providers preparing for accreditation. Two new inbound test cases – invalid PINT AE invoices due to Schematron and syntax errors – have been added, along with an updated UAE Tax Data Document (TDD) version 1.0.1. Service providers must return a negative Message Level Response and submit a UAE Tax Data Status (TDS) to the Federal Tax Authority Access Point.

Effective 1 January 2026, Romania expands the RO e‑Factura reporting scope to include supplies to non‑resident VAT‑registered customers, shifts the invoice transmission deadline from five calendar days to five working days, and removes several compliance notification requirements. Suppliers using a personal numeric code (CNP) that started before 15 January 2026 must register in the mandatory RO e‑Factura Register, while VAT‑on‑receipt scheme businesses remain exempt from notification obligations until 30 September 2026.

This guide explains Australia's e-invoicing landscape, including the Peppol network, current compliance requirements, and projected market growth. It highlights that while private businesses are not yet mandated to use e-invoicing, government entities must, with deadlines set for 2026, and outlines funding and efficiency gains. The article also details the standard format and benefits such as faster payments and reduced errors.

This IRAS guidance explains the steps and requirements for completing Singapore’s GST F1 registration form, including eligibility checks, mandatory e-learning, and technical prerequisites such as InvoiceNow readiness. It also outlines the 14‑day draft retention period and the prohibition on collecting GST before approval.