Please ensure you use the same browser to login to CORE as you do to Revenue/ROS.
Click on the link below and follow instructions to register with ROS
Click on the link for instructions from the Revenue Site on how to create a sub user ROS Cert.
Useful Tips for Signing Electronically with ROS
If you are still having difficulties with ROS, please contact their Technical Helpdesk on ROS Technical Helpdesk at https://www.ros.ie/helpcentre/help.html
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