Significant beneficial owner declaration required, with company registers, Registrar filings and tribunal remedies for noncompliance. The substituted section requires any individual meeting the prescribed threshold or exercising significant influence to declare beneficial interests to the company; companies must maintain a register, allow member inspection, file returns with the Registrar, serve prescribed notices to suspected relevant persons with a thirty day response period, and apply to the Tribunal for restrictions where information is not provided or is unsatisfactory, while specified penalties and liability for false information apply.