Pre-recorded message left claiming they were from the ATO and that I was tax evading, and to call them back giving personal details.

Caller: Scam call

Prerecorded threats of jail etc due to unpaid taxes

Also ring from number 061 261 76 1440 with pre-recorded request to return call to ATO on this number or arrest will follow. No other details like documents etc.

Caller: Scammer

Prerecorded message claiming ATO investigating and arrest is imminent unless I call back.... Yeah right. I can't believe anyone would fall for this scam.

Caller: ‭(02) 6176 0820‬

I kept ringing them because I was bored and recovering from surgery and was annoyed that they always call so I gebe them back he same medicine and they finally blocked me!

Voicemail left in American accent. Asked me to call back on the number for something or other

scam, I think

Prerecorded message trying to scare into ringing the telephone number. Stating Tax evasion and serious consequence.
The real tax office do not contact you in this manner so very suspicious and suspect a scam. DELETE !

Pre-recorded message in English claiming to be from ATO saying I was implicated in tax avoidance - important documents weren't delivered, returned unsigned, which could end up with having to execute my arrest.

I called back number (02) 6176 0820 rang once then gets disconnected automatically.

Pre-recorded message in English saying important documents weren't delivered and signed, which could end up with me going to jail or even executed.