Use form CT41G (Clubs) to tell HM Revenue and Customs (HMRC) that your new club, society, voluntary association or other similar body has started any business activity, so we know when you’ll be liable for Corporation Tax.
You must file your Company Tax Return online. To do this you’ll need to sign up for Corporation Tax Online.
64-8: authorising your agent
Use form 64-8 to authorise HMRC to communicate with an accountant, tax agent or adviser acting on your behalf.
Guidance relating to all aspects of Corporation Tax.