If the Secretary or a principal officer is holding a consent to the adoption of a child and the child is not placed in the care of a prospective adoptive parent with a view to adoption within 6 months after the day on which the consent is signed, or the child is not the subject of an adoption order within 2 years after that day, the Secretary or principal officer must (a) endeavour to inform each person who so consented of the reasons for the delay and give him or her an opinion concerning the likelihood of an adoption order being made; and(b) give each such person who requests it further information as to the progress of arrangements for the adoption of the child.