VPDS161600 | Vaping Products Duty and Vaping Duty Stamps: Scanning events: Duty stamps affixed outside the UK
From HM Revenue & Customs · Vaping Products Duty and Vaping Duty Stamps guidance
Release for consumption upon importation
Where goods are imported into the UK with duty stamps affixed and they are to be released straight for consumption (namely to simultaneous home use and free circulation under CPC 40), they must be scanned within 12 hours of receiving validation of a CDS declaration.
Held under a duty suspension arrangement
Where goods are imported into the UK with duty stamps affixed and they are to be entered into a customs and/or excise duty suspension arrangement (that is, to a CPC of 07 or 71), they must be scanned:
on importation
if moved between the premises under duty suspension
before the vaping products are released for comsumption
Note that if they are under a customs suspensive arrangement, there is no limit on how many times the eligible vaping products can be moved.