VPDS101600 | Vaping Products Duty and Vaping Duty Stamps: Duty Points & Payment: Time of payment - excise warehouses
From HM Revenue & Customs · Vaping Products Duty and Vaping Duty Stamps guidance
Excise warehouses will pay duty in the usual manner:
At the time of removal to home use
orusing a duty deferment agreement
More information is given in section 11 of notice 197.