If your Payment Nominee arrangement ends, the SmartCard issued to your Payment Nominee will be cancelled and they will no longer have access your account online.
You will have access to your account online and will receive a new SmartCard in the mail. While waiting for your new SmartCard to arrive, you can get a temporary card from:
Selected Services Australia Agents and Centrelink Service Centres (find your closest Services Australia location by contacting Services Australia on the SmartCard eIM Hotline on 1800 252 604).