Have a look at the Pension Regulator's website which explains the reporting that trustees have to make:

The Pensions Regulator offers some bite-sized learning resources as well as the trustee toolkit:

The Pensions Regulator has provided Regulatory code of practice no. 9 - Internal controls The code of practice sets out how occupational pension schemes should satisfy the legal requirement to have adequate internal controls in place.

HM Revenue and Customs (HMRC) oversees the running of workplace pension schemes. Its website has a great deal of information about the treatment of registered pension schemes:

The Pensions Regulator has provided Regulatory code of practice no. 11 - Dispute resolution This code of practice provides practical examples on the Pensions Regulator's expectation of the reasonable time periods stated in the legislation related to dispute resolution...