[2007] NZEmpC WC 14A/07 CE of the Department of Corrections v Tawhiwhirangi [pdf, 170 KB]
...generally whether the actions of an employer were fair and reasonable, relevant factors are the size of the workplace and the number of employees employed, the nature and quality of the resources available to the employer including access to specialist human resources advice, and any other statutory or public interest obligations on the employer. [12] In this case the following specific factors are relevant to the assessment of the department’s actions.