1 Reverse the numbers. 2  Multiply the digits in odd positions (1, 3, 5, etc.) by 2 and subtract 9 to all any result higher than 9. 3  Add all the numbers together. 4  The check digit (the last number of the card) is the amount that you would need to add to get a multiple of 10 (Modulo 10).
ACH is a computer-based clearing and settlement facility established to process the exchange of electronic transactions between participating depository institutions. Rules and regulations that govern the ACH network are established by NACHA and the Federal Reserve.In 2013, this network processed nearly 22 billion ACH transactions with a total value of $38.7 trillion. Credit card payments are handled by separate networks.ules and regulations that govern the ACH network are established by NACHA and the Federal Reserve. In 2013, this network processed nearly 22 billion ACH transactions with a total value of $38.7 trillion. Credit card payments are handled by separate networks.
Automated Clearing House (ACH) payments are an electronic funds transfer from one bank account to another. ACH payments have been around for over forty years, and were developed with the intention of being faster, safer, and more efficient than the use of paper checks to transfer funds.istinguish ACH credit payments from ACH debit payments. There are actually two forms of ACH payment you can make. You may want to think of them as a âpushâ and a âpullâ payment method, respectively. 1  An ACH credit payment is the form most common to online bill paying through your bank.