Example of credit card form, Expiration Date option #2 Compact: {MM} / {YY} - ideas taken from http://baymard.com/blog/how-to-format-expiration-date-fields

Cardholder's name *As it appears on the credit card

Credit Card Number *12-19 digits, spaces are allowed

Expiration Date *

Month010203040506070809101112 / 2425262728

CVV / CVC Security Code *3-4 digit code, typically on the back of your card

What is this ?