E-invoicing mandate: Large businesses must appoint service provider by October 30, 2026

The UAE's Electronic Invoicing System (EIS) will replace traditional invoices and PDF-based processes with structured electronic invoices exchanged through accredited service providers and reported to authorities in near real time.

Key implementation deadlines:

• Pilot programme and voluntary adoption: July 1, 2026 • Large businesses (revenue ≥Dh50m): appoint accredited service provider by October 30, 2026; mandatory implementation January 1, 2027 • Smaller businesses (revenue <Dh50m): appoint provider by March 31, 2027; mandatory implementation July 1, 2027 • Government entities: appoint provider by March 31, 2027; join system October 1, 2027 • Intra-group transactions transition period: until January 1, 2029

Businesses must generate machine-readable invoices based on the UAE PEPPOL International Invoice standard. The regime applies to any business conducting transactions in the UAE under VAT rules, covering B2B, B2G, government-to-business and government-to-government transactions.

Key requirements include advance tax invoices for advance payments, milestone billing documentation, and retention arrangement tracking. Market readiness surveys indicate 38% of organisations report existing systems cannot currently generate compliant e-invoices in the required format.