(1)Where a local authority have, in accordance with section 3(3) of the Children Act 1948, allowed any person to take over the care of a child with respect to whom a resolution under section 2 of that Act is in force and have by notice in writing required that person to return the child at a time specified in the notice (which, if that person has been allowed to take over the care of the child for a fixed period, shall not be earlier than the end of that period) any person who harbours or conceals the child after that time or prevents him from returning as required by the notice shall be liable on summary conviction to a fine not exceeding twenty pounds or to imprisonment for a term not exceeding two months or to both.
(2)In this section " child " has the same meaning as in the Children Act 1948.