They wouldn't be subject to the same rules. The proposed law only applies to companies which the government designates as having "a significant bargaining imbalance between Australian news providers and the group". (I believe this is the current text: https://parlinfo.aph.gov.au/parlInfo/download/legislation/bi...)
Interesting thanks. I don't think the idea makes any sense but as just a random weapon for going after big tech it would be effective for gm's comment. They could make it so it's just not worth it for Google to do search in Australia giving room for others