CTM93090 | CTSA: the filing obligation: delivery of return: content

From HM Revenue & Customs · Company Taxation Manual

obliges a company to deliver a company tax return of ‘such information, accounts, statements and reports as may reasonably be required by the notice’ that are

  • ‘relevant to the tax liability of the company’ or

  • ‘otherwise relevant to the application of the Corporation Tax Acts to the company’.

Companies must file a copy of their accounts and computations showing how the figures in the return form and the supplementary pages were derived from the figures in the accounts, see and .

In practice the Paragraph 3 notice (form CT603) requires companies to make a return that includes:

  • a properly completed form CT600 (or an approved substitute version of it) and any relevant supplementary return pages,

  • computations showing how they arrived at the entries in the return and supplementary pages from the relevant figures in the accounts,

  • a copy of the full accounts, including the reports of the directors and the auditors, see .

  • (insurance companies only) a copy of the regulatory return required by the Financial Services Authority under the Financial Services and Markets Act 2000.