Guidance document for approval authorities on using DETA to implement UN Regulation No. 155. Notifying authorities shall upload cyber security information as PDF files no later than 14 days before granting a first-time approval, complete mandatory fields including approval number and date, and send a notification message to other authorities via DETA. Other approval authorities may submit comments within 14 days of notification by email and DETA message. Notifying authorities shall upload received comments to DETA without undue delay. These procedures apply before first-time approvals and each time assessment methods or criteria are updated.