HMRC has issued guidance setting out the specific codes that must be used to identify regulated aerodromes in Data Element 5/23 of the Customs Declaration Service. The codes are listed in Appendix 16B and indicate the locations where goods may be subject to customs examination at regulated aerodromes. This guidance applies to traders and customs agents submitting declarations for goods handled at these facilities.
Source: HMRC (GOV.UK) – Read the original