You can change supervisors or invite an additional person to act as a supervisor during your research higher degree.
Discuss your request with your current and intended supervisors, and graduate research co-ordinator. An application for change of supervisor must be submitted to the Graduate Research and Scholarships Office.
If you are enrolled in one school - your "home" school - you may still have supervisors based in different schools. The number of schools from which supervisors may come is not limited.
Normally, the co-ordinating supervisor is a full-time academic staff member of the University from your home school, unless the Pro Vice-Chancellor (Research and Research Training) or Board of the Graduate Research School has approved otherwise.
Joint supervision does not result in any adjustment of funding by the University. All of the funding for that candidate will go to the "home" school.
If schools agree that some payment should be made to the "joint" supervisors school as a result of the supervision, the amount is negotiated between the two schools and the payment is arranged internally, usually via a T-form.