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MCA can process credit card charges not only from its own programs, but from   
any source that can provide the following computer readable card
transaction data:
          | 
|  | - | up to six characters that uniquely identify the person
being billed within your billing list. | |
|  | - | one character that can identify the location/group 
of the person being billed. | |
|  | - | first (15 characters) and last (15 characters) names
of the person being billed. | |
|  | - | (optional) the cardholder's street address. | |
|  | - | (optional) the cardholder's zip code. | |
|  | - | credit card account number. | |
|  | - | month and day of card expiration. | |
|  | - | amount being charged in this transaction. | |
|  | - | the date when the charge will be effective. |