   this
 
 $.payment.fn.formatCardExpiry = ->
-  @payment('restrictNumeric')
+  @on('keypress', restrictNumeric)
   @on('keypress', restrictExpiry)
   @on('keypress', formatExpiry)
   @on('keypress', formatForwardSlashAndSpace)

# Formatting

$.payment.fn.formatCardCVC = ->
  @payment('restrictNumeric')
  @on('keypress', restrictCVC)
  @on('paste', reFormatCVC)
  @on('change', reFormatCVC)


$.payment.fn.restrictNumeric = ->
  @on('keypress', restrictNumeric)
  @on('paste', reFormatNumeric)
  @on('change', reFormatNumeric)
  @on('input', reFormatNumeric)
  this

# Validations
