Netflix et al. apply to the Australian Classification Board (i.e.) ACB classify all streaming programs, just like theatrical release films.
You can see every single streaming platform program classified on their website, indicated by the key phrases I’ve circled:
So it’s actually very official, should be more accurate than broadcast network classifiers.
I will endeavour to get back to you on this.
I know it [streaming] is covered by seperate guidelines, yes.
“Netflix Classification Tool”, that they apply to the normal “Classification Act 1995” (Films, Publications & Computer Games") AKA the guidelines.
But here’s a quick answer for you (within the above attached doc):