The development of technology and communication forces human beings to rely on technology. Such advancement influences smoother communication and turns trade process into an online system. The switch of the sale and purchase transaction mode from the conventional method to online method has possibility to trigger crime. Therefore, the fine regulations are needed to guarantee consumer rights so that e-commerce develops. The needs for regulation are fulfilled with the presence of the Consumer Protection Law which regulates consumer rights, businessman obligations, and businessman sanctions for neglecting the obligations. Furthermore, Law No 11 of 2008 on Electronic information and transaction law (UU ITE) standardizes electronic transactions. Lastly, Government Regulation No 82 of 2012 on the Implementation of Electronic System and Transaction Operations regulates the validity of an electronic contract which requires several conditions.