The Department for Business, Energy and Industrial Strategy (BEIS) published two White Papers this month:
Customs Bill: legislating for the UK’s future customs, VAT and excise regimes 9 October
Preparing for our future UK trade policy 9 October
https://www.gov.uk/government/publications/preparing-for-our-future-uk-trade-policy
Input on these policies are welcomed to the following addresses:
CustomsStakeholders@hmtreasury.gsi.gov.uk there is no deadline, but responses before 3 November are encouraged.
stakeholder.engagement@trade.gsi.gov.uk by 6 November.