“any decision by HMRC, in relation to any customs duty … as to … (iii) the person liable in any case to pay any amount charged, or the amount of his liability …”
“Goods can be imported on behalf of one of the organisations if they are to be donated or sold (directly or indirectly) to them. If you are importing goods on behalf of one of the organisations listed, you need to obtain authorisation to claim this relief from NIRU. You can email niru@hmrc.gov.uk for an application form. If you have imported the items on behalf of another organisation, to claim the relief as the importer you must hold clear evidence that demonstrates the end user of the goods was one of the eligible organisations. This evidence must also allow HMRC to trace the goods from their initial import through to their ultimate end use by one of these organisations. Failure to provide this evidence, may result in you having to pay duty and import VAT. […] How to claim relief on goods that have already been imported If you imported goods on or after30 January 2020 but did not claim relief, you may be eligible to reclaim payment of import duties. You will need to request authorisation by contacting the National Import Relief Unit (NIRU) by emailing niru@hmrc.gov.uk for an application form. Once you’re authorised by NIRU, you can submit your claim to the National Duty Repayment Centre (NDRC) for repayment of overpaid customs duty and import VAT. […]”