A technique is disclosed for implementing electronic commerce transactions via a data network. A regulated item selected by a customer is identified. The regulated item may correspond to an item which satisfies predetermined criteria, indicating that the regulated item is prohibited from being purchased...http://www.google.fr/patents/US8010411?utm_source=gb-gplus-shareBrevet US8010411 - Restricted purchase of regulated items over a network
Restricted purchase of regulated items over a network
