Our Partners Pegasus Software has received confirmation from HMRC, that HMRC are no longer accepting RTI and/or MTD Submissions from any of the following operating systems:

This change took effect from 7th May 2024.

Steps to Take:

Please check the Software Guides below:

Software_Requirements_Guide.pdf (pegasus.co.uk)  Opera 3

Capital Gold Payroll Installation Guide (pegasus.co.uk)  Capital gold payroll

Installation Guide (pegasus.co.uk) Capital gold accounts

Install_Guide.pdf (pegasus.co.uk) CIS 5

What do I do next?

If you have any of the above software packages, and are running on any of the operating systems listed, you will need to upgrade to a supported operating system. Alternatively, you can speak to us about moving your server to a hosted solution.

If you would like to explore these options please contact the Synergy team today. You can call us on  or send us an email via our contact page at any time and we will be delighted to assist you.