(1)   If a parenting order provides for joint decision - making by persons in relation to all or specified major long - term issues in relation to a child, then, except to the extent the order otherwise specifies, the order is taken to require each of the persons:

  (a)   to consult each other person in relation to each such decision; and

  (b)   to make a genuine effort to come to a joint decision.

  (2)   To avoid doubt, this section does not require any other person to establish, before acting on a decision about the child communicated by one of those persons, that the decision has been made jointly.