Savvy merchants have access to an online portal called Connect Manager that can be used to manage all aspects of their prepaid programme, including the ability to set various policies that affect transaction processing such as:
Minimum Load Amount: Any attempt to top up (or refund) for less than this amount will result in the transaction amount being declined and a response code 98
Maximum Load Amount: Any attempt to top up (or refund) for more than this amount will result in the transaction amount being declined and a response code 98
Maximum Card Balance: Any attempt to top up (or refund) for an amount that would cause this to be exceeded will result in the transaction amount being declined and a response code 98