32.—In any application for an order under Part III, IV or VI, the court F242[, or for a special care order or an interim special care order under Part IVA (as amended by the Child Care (Amendment) Act 2011), the High Court)] shall make due inquiry as to the age of the person to whom the application relates and the age presumed or declared by the court F243[, or as the case may be, the High Court,] to be the age of that person shall, until the contrary is proved, for the purposes of this Act, be deemed to be the true age of that person.