171.This section places a duty on those responsible for producing listing particulars to ensure that those particulars contain, at the very least, adequate information to enable investors and their professional advisers to make informed decisions about the issuer and securities in question.  The competent authority can authorise the omission of certain information in certain circumstances, as set out in section 82.
Commentary on Sections Part Vi: Official Listing Section 80: General duty of disclosure in listing particulars