Patent ID: 7308423

Claim:
A system for implementing electronic commerce transactions via a data network, the system comprising: at least one CPU; memory; and at least one interface configured to provide an interface with at least one customer via the data network; the system configured to identify a regulated item selected by a customer, the regulated item corresponding to an item which satisfies one or more predetermined criteria, the one or more predetermined criteria indicating that the item is subject to one or more regulations; the system configured to take action to prohibit purchase, via the data network, of the regulated item by the customer; the regulated item being part of an on-line order from the customer with the on-line merchant, the on-line order also having information from the customer regarding a delivery time for the order; the system configured to modify a display of items available for purchase by the customer, wherein the display modification includes restricting display of items which are restricted by the one or more regulations from being purchased by the customer based upon the one or more predetermined criteria; and the system is further configured to remove the regulated item from an electronic shopping cart associated with the customer in response to a determination that the regulated item is not allowed to be purchased by the customer based upon the one or more predetermined criteria.