United Kingdom HMRC Collection: UK ports and port codes 21 June 2021185 views1 min read A list of ports in the UK and port codes to use with CHIEF and the Customs Declaration Service. Source gov.uk Customs HMRC Guidance: Declare your goods to authorised use and completing authorised use HMRC Policy paper: Climate Change Levy – combined heat and power stations (CHPs) coronavirus (COVID-19) easement