The Automotive Industry Guideline on Version 4.1 provides guidance for the automotive industry on REACH compliance. The guideline covers important dates and deadlines, a step-by-step process for REACH compliance, and advice for the automotive sector. The automotive industry must comply with REACH regulations for the registration of substances and substances in mixtures used in industrial processes, as well as for the registration of substances intended to be released from articles. The guideline also includes advice on roles in the supply chain, substance inventory, imports of substances/mixtures/articles, downstream user obligations, safety data sheet and DU obligations, CLP notification, registration of substances in articles, notification of CL substances in articles, communication requirements for CL substances in articles, authorisation procedure, restriction procedure, REACH and waste, REACH enforcement, and a 5-step REACH compliance schedule. The guideline also includes a list of ECHA guidance documents and an annexes.