The web form for substance in articles notifications and the web forms for downstream user notifications of authorised uses and reports for unsupported uses will be closed from 6 October in order to prepare for the transition to the online submission interface of REACH-IT. If this interruption creates a problem or if you want to have additional information, contact the <link https: echa.europa.eu contact reach _blank>ECHA Helpdesk by selecting 'Technical support', then 'REACH-IT'.