29.—(1) Only forms of control approved by the Secretary of State may be used in dealing with an unruly child.
(2) Measures in paragraph (1) may be used only as a last resort and when all other reasonable efforts have been tried and failed or where there is a danger to the child or others or a risk of serious damage to property or if necessary to prevent injury.
(3) A member of staff responsible for the supervision of a child shall be trained in the forms of control referred to in paragraph (1) and where their use is necessary a report of the circumstances shall be made to the manager without delay and confirmed in writing.