(1) This section applies to proceedings under this Act in which it has been alleged that a child has been abused or is at risk of being abused.
(2) Each of the following persons is entitled to intervene in the proceedings:
(a) a guardian of the child;
(b) a parent of the child with whom the child lives;
(ba) a person with whom the child is to live under a parenting order;
(bb) a person who has parental responsibility for the child under a parenting order;
(c) any other person responsible for the care, welfare or development of the child;
(d) a prescribed child welfare authority;
(e) a person who is alleged to have abused the child or from whom the child is alleged to be at risk of abuse.
(3) Where a person intervenes in proceedings pursuant to this section, the person is, unless the court otherwise orders, to be taken to be a party to the proceedings with all the rights, duties and liabilities of a party.