https://www.google.com.au/url?sa=t&source=web&rct=j&url=https://www.asx.com.au/documents/rules/gn33_removal_of_entities.pdf&ved=2ahUKEwi2mLKruJ79AhVtzXMBHbkgCgUQFnoECBEQAQ&usg=AOvVaw2OYV2XG9tZd6K3q3BsdZFu
Guidance Note 33 - Removal of Entities from the ASX official list
It will be interesting to see what happens from here moving forward.