Paragraph 3
(1)
In proceedings against a person for an offence under these Regulations, it shall be a defence for that person to show that he believed that these Regulations did not apply and he had no reasonable grounds for believing that these Regulations might apply.
(2)
In proceedings against a person for an offence under these Regulations, it shall be a defence for that person to show that he took all reasonable steps and exercised all due diligence to avoid committing the offence.