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.
There are enough credits/funds to complete the transaction. The 3-4 digit security code is typed in correctly. This code is typically on the back of your card, but some cards, such as AmEx cards, may have the code listed on the front. Your bank has restricted access to your card for security reasons.