FIX A Mistake OR Amend Your TAX Return
ATO (CWLTH) resource. Rules Mate indexes this as part of the Australian compliance corpus. Click through for the regulator's primary source.
https://www.ato.gov.au/businesses-and-organisations/preparing-lodging-and-paying/fix-a-mistake-or-amend-your-tax-return
Rules Mate indexes Australian government compliance resources to make them searchable. We link to + summarise; always verify the live source before acting.