Below are the instructions to change the accepted credit cards for registration in your event
  1. Click Settings (upper right) of Organization Dashboard (HOME)
  2. Check boxes under Offline and Online under Accepted payment methods within How you accept payment from participants 
    1. Visa / Visa Electron (automatically accepted)
    2. MasterCard / Maestro (automatically accepted)
    3. (Optional) American Express
    4. (Optional) Discover
    5. Check (automatically accepted, offline only)
    6. Cash (automatically accepted, offline only)
  3. Click Save