This is the last article, in a four-part series. Its aim is to explain disclosure obligations after conclusion of an on line contract.

Teresa Rodríguez de las Heras Ballell clarifies the service provider obligations after the contracting procedure has been completed and suggests some practices to optimum fulfillment of the need to confirm receipt of the order. The implications of breach are also explained in this valuable text.

Teresa is an Associate Professor in Commercial Law at the Carlos III University of Madrid, Spain and the author of the book on legal aspects of E-Markeplaces El régimen jurídico de los Mercados Electrónicos Cerrados (e-Marketplace).