NSW’s new mandatory QR codes cause confusion after one day. Here’s everything you need to know

They’re the chequered boxes that have popped up at businesses across the state.

The QR (quick response) codes that patrons scan and enter their personal details in order to grab a bite to eat or a beer at the pub.

Since yesterday, electronic check-in systems have been mandatory in venues across NSW — but it’s already causing confusion among consumers.

The ABC has been inundated with questions from people concerned they’ll be “locked out” their favourite cafe or pub if they don’t have a mobile phone.

So what does the new system involve and how does it work?

Checking into venues — what’s changed?

Venues are now required to digitally record…