7.-(1) The reception of a child into his care by the Director under section 3 and the making of an assumption with respect to him under section 4 shall not affect any supervision order or probation order previously made with respect to such child by any Court.
(2) Where an order of any Court is in force giving the custody of a child to any person, the foregoing provisions of this Part shall have effect in relation to the child as if for references to the parents or guardians of the child or to a parent or guardian of his there were substituted references to that person.
(3) The following provisions shall have effect with respect to reform school orders and orders under the Juvenile Offenders Law committing children to the care of fit persons, that is to say-
(a) where a reform school order comes into force with respect to a child in the care of the Director under section 3 he shall thereupon cease to be in the care of the Director under that section and any assumption made under section 4 in force with respect to such child shall thereupon cease to have effect;
(b) no assumption under section 4 shall be made with respect to a child while an order is in force committing him to the care of a fit person under the Juvenile Offenders Law;
(c) save as aforesaid the provisions of subsection (2) shall apply as if the order were an order giving the custody of the child to the person responsible for the reform school or the person to whose care he was committed by the order, as the case may be.