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

https://www.ros.ie/helpcentre/help.html#/?a=gettingStarted/getting-started

Useful Tips for Signing Electronically with ROS

• ● Has your firm registered with ROS and have you a sub-cert in your own name?
• ● Ensure you are not using the Firm’s cert, it must be a sub-cert in the name of the individual signing.
• ● Is your name spelled correctly and corresponds with your ROS sub-cert?
• ● Have you used the correct email address associated with your ROS sub-cert?
• ● Is the ROS sub-cert saved on the browser on the PC/laptop you are using?
• ● Are you using the correct ROS Registration Number?
• ● Does your browser setting Allow All Cookies?

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