October 2015: ATO issues threats to around 1000 Curtis Island Bechtel workers demanding they amend tax returns.
February 2016: Gladstone accountancy firm Corporate Accountants lodges formal complaint about the audit with national tax office.
May 19, 2016: 2000 Bechtel workers fined for failing to resubmit tax returns.
May 2017: Test case rejected by AAT
December 2017: Proposed class action against Bechtel canned