call from the tax office....scam

Tax Office scam number

Didnt answer. robot voicemail message left saying my tax file number showing unauthorized activity and it will be cancelled and I will be arrested if I dont contact this number.

Scammers - message in broken english "for fraudulent & suspicious actitivy" blah blah "Otherwise your tax file number will be suspended and you will be arrested"

ATO Scam:

....paperworks sent to your registered address has returned unsigned and undelivered....including your warrant for arrest .... otherwise your TFN will be suspended and you will be arrested.

This is a scam!!! Pretended to be calling from ATO threatening for arrest. DO NOT CALL BACK!!!