Measures to address them involve computers, servers and network components, mobile phones, mobile network standards and information security requirements, among others. Over4000T-Recs are in force on fundamental components of today's ICTs. The United Nations Commission on Trade Law (UNCIRAL) has also developed a network of rules relating to e-commerce/ electronic contracts, covering the use and recognition of electronic signatures, the use of electronic communication in international contracts, and legislative text on the principles of non-discrimination, technology neutrality and functional equivalence in electronic commerce. The system enables the electronic flow of data and information necessary for e-commerce to function.