Electronic funds transfers Data processing 5 Automation 4 Banks and banking 4 Customer services 3 Computer network resources 2 Electronic commerce 2 Business enterprises 1 Computer networks 1 Consumer behavior 1 Electronic data processing 1 Electronics in transportation 1 Home banking services 1 Internet 1 Internet in public administration 1 Invoices 1 Smart cards 1 System design 1 Tax administration and procedure 1 Tax returns 1 Taxation 1 Taxpayer compliance 1 Technological innovations 1 Tickets 1 Transportation 1