❓ A WA parliamentary question seeks the release of input data used in the ACIL Allen Perth Park Business Case Summary for public verification, citing concerns about potential inaccuracies. The government's response acknowledges the reliance on assumptions and the use of the best available information at the time, without directly committing to releasing the data.
AnsweredQoN 966Legislative Council
Asked
2 December 2025
Member
Portfolio
Deputy Premier; Treasurer; Minister for Transport; Sport and Recreation
QuestionView source ↗
I refer to the ACIL Allen Perth Park Business Case Summary, and I ask: (a) given the consultant warns that its conclusions may change if government-supplied information proves inaccurate or incomplete, will the Government release all input data provided to ACIL Allen to allow public verification?
AnswerView source ↗
Answered
26 February 2026
Responded by
Parliamentary Secretary to the Deputy Premier; Treasurer; Minister for Transport; Sport and Recreation
Response time
9 days
(a) All business cases rely on assumptions.
A business case has to use the best available information at the time.
A business case has to use the best available information at the time.
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