This section applies for the purposes of proceedings for an offence under the Customs and Excise Management Act 1979 relating to a weapon the importation of which is prohibited by section 141ZB above.

An exception conferred by or under section 141ZC is to be taken not to apply unless sufficient evidence is adduced to raise an issue with respect to the exception.

Where sufficient evidence is adduced to raise an issue with respect to an exception, it is to be taken to apply unless the contrary is proved beyond a reasonable doubt.