Regulation 23 Defences
(1)
It is a defence for a person charged with an offence under these Regulations to prove that that person took all reasonable steps and exercised all due diligence to avoid committing the offence.
(2)
A may not rely on a defence that involves an allegation that the commission of the offence was due to the act or default of B unless—
(a)
at least seven days before the hearing A has given to the prosecutor a notice in writing giving such information identifying or assisting in the identification of B as was then in A's possession; or
(b)
the court grants A leave.