The USI number is issued by the USI Office.  

Please note that we are unable to speak to the USI Office on your behalf, you must contact them yourself.

Sometimes names are entered in a different order or combination (example first name entered as a surname) or a date of birth has been entered incorrectly. If there is a mismatch with your details please contact the USI Office below. 



Australia Information line – 1300 857 536

+61 3 5454 5280 international enquiries 


Note: we are unable to issue a certificate until we have a valid USI number or a letter of exemption.