Even though business planning, bookkeeping & administration are important for business success, the most important aspect of any business is sales & marketing. Operations, administration, strategic planning & bookkeeping are all necessary but irrelevant without the generation of leads & new customers.
Where to Locate your Security Code. Debit card security codes are located on the back of the card. The last three numbers to the right of the card are known as your security code. Why the Security Code is Important. The security code offers the cardholder an extra layer of protection from fraud and unauthorized use.
On Visa, MasterCard, and Discover cards, the code is a three-digit code on the back of your card. The preceding four digits (â3456â in the image above) are the last four digits of your card number. On American Express cards, the security code is a four-digit code on the front of the card. Look above your card number on the right side of the card. Your security code, like all the other numbers on your card, is a critical piece of information.