VPDS193100 - Vaping Products Duty and Vaping Duty Stamps: Penalties, offences and sanctions: Lost duty stamps: Definition of 'lost'
A duty stamp is deemed to be lost if, at the end of 12 months (which begins on the date that the stamp is purchased) the stamp has not been either:
- fixed to a vaping product and activated by a scanning event
- destroyed
- returned to the HMRC appointed stamp issuer