Sch 4A para 11
(1) A person commits an offence under the law of England and Wales if the person— (a) intentionally obstructs a relevant officer in the performance of functions under this Part of this Schedule, or (b) fails without reasonable excuse to comply with a requirement made by a relevant officer in the performance of those functions. (2) A person who provides information in response to a requirement made by a relevant officer in the performance of functions under this Part of this Schedule commits an offence under the law of England and Wales if— (a) the information is false in a material particular, and the person either knows it is or is reckless as to whether it is, or (b) the person intentionally fails to disclose any material particular. (3) A relevant officer may arrest without warrant anyone whom the officer has reasonable grounds for suspecting to be guilty of an offence under this paragraph. (4) A person guilty of an offence under this paragraph is liable on summary conviction to imprisonment for a term not exceeding 51 weeks, to a fine or to both. (5) In the application of sub-paragraph (4) in relation to an offence committed before the coming into force of section 281(5) of the Criminal Justice Act 2003 the reference to 51 weeks is to be read as a reference to 6 months.