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.
3-Digit Card Security Code (In general the value appears in reverse italic at the top of the signature panel or right most in the signature panel on the back of the credit card.) For American Express cards it is called the CID or 4DBC and is 4-digits on the front of the AMEX card: