You can register for a COVID-19 check-in card and present it to supermarkets and other essential retail businesses to scan as a faster and safer way to complete the self-service webform check-in or paper sign-in.

Customers can download and print their COVID-19 check-in card or have a plastic card mailed to them.

Their contact details will be securely stored within the QR code, which will prepopulate the webform when scanned by the business.

Customers will be able to register for their COVID-19 check-in card via the Service NSW website or by calling 13 77 88 from August 13 and can opt to receive it via email to print at home, or via postal mail.

n response to customer demand Service NSW is also rolling out two further enhancements to the Service NSW app.

The first allowing customers to review their check out history and add check out times and the second to make it easier for customers to sign into the ServiceNSW app wearing a mask.

"It is critical our contact tracers have the most accurate information possible so they can act quickly to contact casual and close contacts, which is why we're making it possible for customers to review their check-in history and enter the correct check out time after the fact," said Mr Layzell.

Customers will also be able to opt to extend their login-period for the Service NSW app to up to 4 hours, making it faster and easier to check-in without having to reenter a PIN or to remove their facemask to activate Face ID each time.

Customers will be able to register for their Covid-19 check-in card via the Service NSW website or by calling 13 77 88 and can opt to receive it via email to print at home, or via postal mail.

This check-in method is only available at businesses that have a QR compatible device.

While it is not mandatory for businesses to accept COVID-19 check-in cards, the Service NSW website has detailed instructions for businesses on how they can scan the customer's check-in card.