Any organisation will keep records, but there are no surprises for guessing that if your organisation has formal status - charity, company, CIC etc, then there are lots of regulations.
These change from time to time, and the simplest thing is to contact us and we can explain what you need to do. Alternatively, the following 'rough guide' is a good place to start.
A rough guide to the legislation (Word)
A rough guide to the legislation (PDF)