Assertion: prerogative's exercise | /r/CapableOf | act as an arbitrator of a dispute
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text: If an employer’s exercise of managerial prerogative is not prevented by statute, an award, a statutory agreement or the contract of employment, the basis for a tribunal such as Fair Work Australia, acting as an arbitrator of a dispute, interfering with what would otherwise be a lawful exercise of managerial prerogative (such as the making or varying of a policy which employees are required to observe) was laid down Australian Federated Union of Locomotive Enginemen v State Rail Authority of New South Wales (XPT case):