The Guides to Social Policy Law is a collection of publications designed to assist decision makers administering social policy law. The information contained in this publication is intended only as a guide to relevant legislation/policy. The information is accurate as at the date listed at the bottom of the page, but may be subject to change. To discuss individual circumstances please contact Services Australia.

1.1.P.443 Prohibited relationship


A person is not a member of a couple (1.1.M.120) if they are in a prohibited relationship. This applies to all payments.


A person is in a prohibited relationship if their partner is:

  • an ancestor or a descendant of the person
  • a sibling or half sibling of the person, or
  • a child who is, or has ever been, an adopted child of the person.

Act reference: SSAct section 4(12) to (13) Prohibited relationship

Last reviewed: