Every care and protection co-ordinator shall, before convening any family group conference pursuant to this Part in respect of any child or young person,—
(a) consult with a care and protection resource panel; and
(b) make all reasonable endeavours to consult with the child's or young person's family, whanau, or family group in relation to—
(i) the date on which, and the time and place at which, the conference is to be held; and
(ii) the persons who should attend the conference; and
(iii) the procedure to be adopted at the conference,—
and, subject to section 22, shall, so far as it is practicable and consistent with the principles of this Act, give effect to the wishes of the child's or young person's family, whanau, or family group in relation to those matters.