23.—(1) Where a person who is required to make an application for the issue of a biometric immigration document fails to comply with a requirement of these Regulations, the Secretary of State —
(a)may take any, or any combination, of the actions specified in paragraph (2); and
(b)must consider giving a notice under section 9 of the UK Borders Act 2007.
(2) The actions specified are to —
(a)refuse an application for a biometric immigration document;
(b)disregard the person’s application for leave to remain;
(c)refuse the person’s application for leave to remain; and
(d)cancel or vary leave to enter or remain.
(3) Where any person apart from a person referred to in paragraph (1) fails to comply with a requirement of these Regulations, the Secretary of State must consider giving a notice under section 9 of the UK Borders Act 2007.
(4) The Secretary of State may designate an adult as the person responsible for ensuring that a child complies with the requirements of these Regulations.