This webinar provides feedback to Registrants on how to submit information on chemical substances in the technical dossier to ECHA in compliance with REACH.ECHA webinars are information sessions hosted online, and consisting of presentations, video and other interactive features such as questions and answers, desktop sharing and audio conferencing. Up to one thousand participants can remotely join a webinar at once.A registration link will be available for each individual webinar closer to the event date and all webinars, including a webinar programme and registration link will be announced in ECHA's weekly e-News.The webinar programme is subject to change. Exact dates will be confirmed as they become available.Each webinar will be recorded and later published on the ECHA website.