5. The expert of GTB pointed out the growing interest in harmonization of lighting and light-signalling norms among countries which are not Contracting Parties to the 1958 Agreement, in particular, China, India and the United States of America. According to him, Stage 2 of the ongoing process for simplification of the lighting and light-signalling Regulations could also trigger development of a new Global Technical Regulation (GTR), for example, on the adaptive driving beam. The experts from EC and SAE supported this view and called for cooperation with the US National Highway Traffic Safety Administration.