The Government Says

Form: Notice and grounds of application for leave to appeal, and appeal, about confiscation under s.31 Proceeds of Crime Act 2002

Form: Notice and grounds of application for leave to appeal, and appeal, about confiscation under s.31 Proceeds of Crime Act 2002
Local copy of form-poca1-eng.docx
Local copy of guidance-lodging-appeals-september-2018.pdf

https://www.gov.uk/government/publications/notice-and-grounds-of-application-for-leave-to-appeal-and-appeal-about-confiscation-under-s31-proceeds-of-crime-act-2002

seen at 16:40, 3 November in Ministry of Justice - Activity on GOV.UK.