No they don't.
http://www.industrialcourt.sa.gov.au/index.cfm?objectid=57CB35C9-E7F2-2F96-39F16A295B375573
SCHEDULE 1. SALARIES AND ALLOWANCES
OPDATE 01:07:2012 1st pp on or after
PART I - TRAINEE MEDICAL OFFICERS
(i) The minimum annual salaries payable to employees in the undermentioned classifications are set out hereunder:
Classification
Salary
$
Intern
45,988
Resident Medical Officers
2nd year of relevant experience
48,836
3rd year of relevant experience
51,692
4th year of relevant experience
54,655
5th year of relevant experience
57,630
6th year of relevant experience
60,593
7th year and thereafter
63,558
Registrar
1st year of service after obtaining appointment
56,666
2nd year of service after obtaining appointment
59,635
3rd year of service after obtaining appointment
62,597
4th year of service after obtaining appointment
65,560Senior Registrar
1st year of service after obtaining specialist
medical qualifications
69,223
2nd year of service after obtaining specialist
medical qualifications and thereafter
71,921