Legal and consumer experts in FIA affiliated motoring clubs around the world for gathering the information, and for getting it verified
National and state government officials around the world for their active contribution
Johan Ten Geuzendam and his team at the European Commission for their advice and help liaising with EU national experts
Thorsten Afflerbach at the Council of Europe for his support with the contact with national experts beyond the EU
International Transport Forum (ITF) whose report Accessibility for People with Reduced Mobility - Reciprocal Recognition of Parking Badges pointed us to national government experts on parking permits
Ann Frye OBE whose ITF report Parking Cards for Disabled People provided useful information
VicRoads (Australia State of Victoria Road Administration) for the information in their leaflet Disabled Person Parking Schemes in Australia
George Coppolo, the Chief Attorney at the Connecticut Office of Legislative Research whose report Handicapped Parking Laws pointed us to the appropriate legislation for most USA states
Darren Higgs at Mooshmedia Marketing who did the graphics and web design