Question: how to change surname with centrelink?
Answer: Step 1: get started. From your homepage, select Update my name in the My profile section. ... 
Step 2: update name details. On the Name details page, enter the details of your new name including your: ... 
Step 3: review and submit. We'll give you a summary of your new details. ... 
Step 4: receipt. ... 
Step 5: sign out.