(1) A child maintenance order in relation to a child stops being in force if the child is adopted, marries or enters into a de facto relationship.
(2) If a child to whom a child maintenance order applies dies, is adopted, marries or enters into a de facto relationship, the person entitled to receive payments under the order must, without delay, inform the person liable to make payments under the order.
(3) Any amounts paid under a child maintenance order in relation to a period after the child dies, is adopted, marries or enters into a de facto relationship may be recovered in a court having jurisdiction under this Part.
(4) A court having jurisdiction under this Part may make a declaration to the effect that a child is in, or has entered into, a de facto relationship.
(5) A declaration under subsection (4) has effect for the purposes of this Act but does not have effect for any other purpose (including, for example, other laws of the Commonwealth or laws of the States and Territories).