I am sure they will fight to minimise their costs one way or another. Rather than challenging the validity of the law, another strategy might be to submit to the arbitral process and come up with a strong argument that, for the purposes of section 52ZP(2)(b), the "benefit (whether monetary or otherwise) of the registered news business’ covered news content to the digital platform service" is negligible, and for (2)(d), any "remuneration amount would place an undue burden on the commercial interests of the digital platform service." https://www.accc.gov.au/system/files/Exposure%20Draft%20Bill...