The authors develop to an exhaustive analysis of the electronic commerce chapter of the US-Colombian Free Trade Agreement. Such critical assesment is made studying the national and international legislation of the electronic commerce, the problems of infrastructure in colombia or the commerce of digital products and a study of the electronic commerce within the framework of the WTO. Later they study the general aspects emphazasing within the chapter, including problem of the electronic and imposed commerce. Finally, they are centered in the development of the analysis articulated in the treaty, doing a description of each norm and its reflection in the national legislation and conclude within the framework showing to the advantages and disadvantages of the electronic commerce chapter regarding with the infrastructure of the electronic commerce in Colombia.