To process credit cards with KashBox you will need to first establish a Merchant Account with Mercury Payment Systems (800-846-4472, www.MercuryPay.com).
Example: If your Merchant Account Number is 3214567891230=DOGGY, your KashBox Merchant ID will be 91230.
The Merchant ID you provide must correspond with the Merchant Number entered on the Credit Card Setup tab located on the Setup function under the File menu in KashBox. You will need to re-register your copy of KashBox whenever the Merchant Number is changed in KashBox.