How do you populate the Downstream User Import Notification (DUIN) spreadsheet? Home page/ Resources / How do you populate the Downstream User Import Notification (DUIN) spreadsheet? Download How do you populate the Downstream User Import Notification (DUIN) spreadsheet? Find out how you can fill in the DUIN spreadsheet and submit this to the Health and Safety Executive (HSE) with our Senior REACH Consultant, Laura Clement, in this step by step video. Latest resources Eight phase approach to incident scene management Webinar Download resource UK REACH and DUINs: what, when and how? (16 June 2021) Webinar Download resource Next Generation Virtual Business Summit: Virtual Hazmat 2021 Webinar Download resource