Date of birth is reported on the student enrolment file. To correct a student’s date of birth you would use the enrolment revision process. Our Revising your data toolkit provides step by step information on each revision process.
Need more help? HEIMS.datacollections [at] education.gov.au (subject: FAQ%20Feedback%20%22For%20HEPCAT%20validation%20ID%205660%3A%20what%20if%20previously%20I%20reported%20a%20wrong%20student%20date%20of%20birth%20and%20the%20current%20one%20I%20reported%20is%20right%3F%22) (Email us)