(1) In proceedings (other than divorce or validity of marriage proceedings), any person may apply for leave to intervene in the proceedings, and the court may make an order entitling that person to intervene in the proceedings.
(1A) In divorce or validity of marriage proceedings, a person in relation to whom an order has been made under subsection 69W(1) requiring a parentage testing procedure to be carried out may apply for leave to intervene in the proceedings, and the court may make an order entitling the person to intervene in the proceedings.
(2) An order under this section may be made upon such conditions as the court considers appropriate.
(3) Where a person intervenes in any proceedings by leave of the court the person shall, unless the court otherwise orders, be deemed to be a party to the proceedings with all the rights, duties and liabilities of a party.