9.—(1) A relevant person may take such action as is necessary to enforce any Tier 1 restriction, Tier 2 restriction[
F1, Tier 3 restriction or Tier 4] restriction.
(2)
A relevant person may give a prohibition notice to a person if the relevant person reasonably believes that—
(a)the person is contravening a restriction imposed by Part 2 or 3 of Schedule 1, Part 2 or 3 of Schedule 2[
F2, Part 2 of Schedule 3 or Part 3 of Schedule 3A], and
(b)
it is necessary and proportionate to give the prohibition notice for the purpose of preventing that person from continuing to contravene the restriction.
[
F3(2A) Where a relevant person considers that a person is outside the place where they are living in contravention of paragraph 1 of Schedule 3A, the relevant person may direct that person to return to the place where they are living.
10.—(1) A person commits an offence if,
without reasonable excuse, the person—
(a)contravenes a Tier 1 restriction, a Tier 2 restriction[
F1, a Tier 3 restriction or a Tier 4 restriction],
(b)
contravenes a requirement imposed, or a direction given, under regulation 9,
(c)
fails to comply with a reasonable instruction or a prohibition notice given by a relevant person under regulation 9, or
(d)obstructs any person carrying out a function under these Regulations (including any person who is a relevant person for the purposes of regulation 9).