I WANT TO SUPPORT....
Visa®, MasterCard® & Discover® cardholdersYour security code is the 3-digit code at the end of the signature field on your card's back.
American Express® cardholdersYour security code is the 4-digit code located above the actual credit card number on your card's front.
Regarding check box above: IF YOU SELECT THE "Make this a monthly payment?", YOUR CARD OR ACCOUNT WILL BE CHARGED MONTHLY ON THIS DAY FOR THE DONATION AMOUNT.