ASIC has been asked to investigate whether Regional Express (REX) Holdings broke the law by announcing plans to expand with capital city services without informing the ASX.

https://www.travelweekly.com.au/article/labor-senator-calls-for-corporate-watchdog-to-investigate-rex/

https://www.afr.com/companies/transport/labor-senator-calls-for-asic-investigation-into-rex-20200525-p54w79

(subscription to AFR required to read the second article)