A strain is an injury to a muscle in which the muscle fibers tear as a result of overstretching. A strain is also colloquially known as a pulled muscle or torn muscle. The equivalent injury to a ligament is a sprain. strain is an injury to a muscle in which the muscle fibers tear as a result of overstretching. A strain is also colloquially known as a pulled muscle or torn muscle. The equivalent injury to a ligament is a sprain.
The Address Verification System (AVS) is a system used to verify the address of a person claiming to own a credit card.[1] The system will check the billing address of the credit card provided by the user with the address on file at the credit card company. The other security features for the credit card include the CVV2 number.
Answer Wiki. The short answer is that American Express cards have a different PAN format than Visa, MasterCard and Discover because they offer a different kind of financial service. American Express cards are travel and entertainment cards. The digits on the front of almost all credit cards are known as the Primary Account Number, or PAN. Almost all credit card companies generate PANs (including debit cards but not including merchant cards) according to ANSI Standard X4.13-1983.