Previous versions of this Supervisory Statement (SS) pre 17/12/2021 can be found here

https://www.bankofengland.co.uk/prudential-regulation/publication/2015/solvency2-applying-eiopa-set2-system-of-governance-and-orsa-guidelines-ss

Related links

Composites
Conditions Governing Business
Reporting
Solvency Capital Requirement - Internal Models

Chapters