Brazil has enacted Decree No. 12,955, establishing a federal Contribution on Goods and Services (CBS) for digital services. The decree imposes destination‑based taxation on non‑resident suppliers, requiring registration and tax collection on B2C sales, while B2B transactions are subject to reverse charge. Platforms that facilitate services become deemed suppliers, responsible for collecting and remitting CBS.

Oman is rolling out a structured e-invoicing system called Fawtara, mandating XML-based invoices, Peppol network routing, and real‑time reporting. The phased rollout begins in August 2026 for large taxpayers and expands to all VAT‑registered businesses by August 2027. Key technical requirements include Oman‑specific PINT format, seller UUID, and accredited access points with MFA and ISO 27001.

UAE has launched a Peppol-based 4‑corner e‑invoicing model with a phased rollout. Large businesses must appoint an Accredited Service Provider by 31 July 2026 and begin mandatory e‑invoicing on 1 January 2027, while smaller businesses and government entities follow later dates. The mandate requires PINT AE format invoices transmitted via Peppol, with penalties up to AED 5,000 per month for non‑compliance.