UAE eInvoicing 2026–2027: Deadlines, Requirements and Readiness Guide Last updated: September 2026 UAE eInvoicing is no longer a distant proposal. The pilot programme began on 1 July 2026, and the first mandatory implementation phase begins on 1 January 2027. For businesses with annual revenue of AED 50 million or more, the immediate deadline is 30 October 2026. By that date, the business must appoint a UAE Accredited Service Provider. However, appointing a provider is only o