Conversation so far:
where to get a proof of age card nsw
Visit a service centre and apply in person for your NSW Photo Card.
what is a NSW Photo Card used for
A NSW Photo Card can be used as photo identification if you don't have a NSW Driver Licence.
can you have a NSW Photo Card and a NSW Driver Licence
You can hold both a driver licence and a Photo Card if you wish.

Question: do you have to have a photo card
Self-contained rewrite: do you have to have a NSW Photo Card