“the permitted period of detention” means the initial period of detention and the authorised  extended period.  (11) A constable or registered public health consultant may, at any time before the expiry of the  initial period, authorise the detention of a person for a further period not exceeding 24 hours  (beginning immediately at the end of the initial period).  (12) An authorisation under paragraph (11) may be given only if the person giving the  authorisation considers that the extension is necessary because it is not reasonably practicable for  the imposition of any restrictions or requirements under regulation 5 to be completed before the  end of the initial period.  15. —(1) A person (“P”) commits an offence if P—  (2) A person who provides false or misleading information intentionally or recklessly to any  person carrying out a function under these Regulations commits an offence.  (3) A person who obstructs, without reasonable excuse, any person carrying out a function under  these Regulations commits an offence.  (4) A responsible adult who fails without reasonable excuse to comply with regulation 5(4), 6(3)  or 7(7) commits an offence.  (5) An offence specified in paragraphs (1), (2), (3) or (4) is punishable on summary conviction  by a fine not exceeding level 3 on the standard scale.  16. —(1) These Regulations cease to have effect at the end of the period of two years beginning  on the day on which they come into force.  (2) This regulation does not affect the validity of anything done pursuant to these Regulations  before they cease to have effect.  Matt Hancock  Secretary of State  Department of Health and Social Care  At 6.50 a.m. on 10th February 2020  (This note is not part of the Regulations)  These Regulations supplement the health protection regime found in Part 2A of the Public Health  (Control of Disease) Act 1984 (“the 1984 Act”) in the event that there exists a serious and  imminent threat to public health from the virus known as “Wuhan novel coronavirus (2019- nCoV)”.  Regulation 2 defines the terms used in the Regulations.  Regulation 3 provides that the Regulations apply where the Secretary of State makes a declaration  on www.gov.uk that the incidence or transmission of Coronavirus constitutes a serious and  imminent threat to public health and that the incidence of Coronavirus is at such a point that the  measures outlined in these Regulations may reasonably be considered as an effective means of  preventing the further transmission of Coronavirus.  Offences  Expiry  EXPLANATORY NOTE  9 (a) fails, without reasonable excuse, to comply with a restriction or requirement imposed  under regulation 4(1), 5(1), 7(1) or 9(4) or (5);  (b) absconds, or attempts to abscond, from detention or isolation under regulation 4, 5 or 8. 