Ancillary powers
20(1)A public health officer, constable or immigration officer may give reasonable instructions to a person in connection with—
(a)a direction given to that person under a power conferred by this Part of this Schedule, or
(b)removing the person to or keeping the person at a place under a power conferred by this Part of this Schedule.
(2)Where a public health officer, constable or immigration officer gives a reasonable instruction to a person under sub-paragraph (1), the officer or constable must inform that person—
(a)of the reason for the instruction, and
(b)that it is an offence to fail to comply with it.
(3)A power conferred by this Part of this Schedule to remove a person to a place includes a power to keep the person for a reasonable period pending their removal.
(4)A constable or immigration officer may use reasonable force, if necessary, in the exercise of a power conferred by this Part of this Schedule.
(5)A constable may enter any place for the purpose of the exercise of a power conferred by this Part of this Schedule.