(1) A consent in writing to the marriage of a minor given by a person before the commencement of this Act in accordance with the law of a State or Territory shall, if the marriage in respect of which the consent was given takes place after the commencement of this Act in that State or Territory, be deemed to have been duly given and witnessed for the purposes of section 13.
(2) Where the consent of a person to the marriage of a minor has, before the commencement of this Act, been dispensed with in pursuance of a law of a State or Territory, the consent of that person shall, if the marriage in respect of which it was dispensed with takes place after the commencement of this Act in that State or Territory, be deemed to have been dispensed with by a prescribed authority under Part II.
(3) Where a person or authority has, before the commencement of this Act, in pursuance of a law of a State or Territory, given consent to the marriage of a minor in place of the consent of a person whose consent would otherwise be required, the consent so given shall, if the marriage in respect of which the consent was given takes place after the commencement of this Act in that State or Territory, be deemed to have been given by a magistrate under Part II.