The OECD FTA surveys member and selected non-member countries to assess revenue body progress with, and plans for, the deployment of modern electronic services in taxpayer service delivery. The latest survey report (also available in French and Spanish) contains an extensive assessment of the use of modern technology to deliver modern electronic services. It updates earlier research, and aims to provide a shared understanding amongst all revenue bodies on the stage of maturity of our industry in the development, delivery and effectiveness of electronic services.