This is admittedly rather region specific since we are located in Malaysia. Though the same applies in Singapore too. For people who don’t or can’t scan a code

This is admittedly rather region specific since we are located in Malaysia. Though the same applies in Singapore too. For people who don’t or can’t scan a code (which is just a webpage URL), the is typically a piece of paper and pen that they can use to record their check-in if they so choose.