15. It shall be an offence for a person—
(a)intentionally to obstruct an authorised person in the exercise of a power conferred by regulation 11 or 12;
(b)without reasonable excuse, to fail to comply with a requirement made under regulation 12 or a request made under regulation 13;
(c)knowingly or recklessly to submit a census declaration which is false or misleading in a material particular; or
(d)knowingly or recklessly to make a statement or furnish any information which is false or misleading in a material particular where the statement is made or the information is furnished for the purpose of obtaining for himself or any other person the grant of an extensification payment.