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Unjustified disadvantage claims

859 Employment Relations Authority determinations, newest first.

An unjustified disadvantage claim is a personal grievance under s 103(1)(b) of the Employment Relations Act 2000: the employee says their employment, or one or more of its conditions, was affected to their disadvantage by an unjustifiable action of the employer. Common examples are suspensions, warnings, changes to hours or duties, and the way a complaint or investigation was handled. The Authority applies the same fair and reasonable employer test in s 103A that it uses for dismissals. The grievance must usually be raised within 90 days (s 114). Remedies under s 123 include compensation for hurt and humiliation and lost wages. For actions on or after 21 February 2026, when the Employment Relations Amendment Act 2026 took effect, compensation is not available where the employee's own conduct contributed to the situation (s 123C), no remedy is available if that conduct was serious misconduct (s 123B), and other remedies can be reduced by up to 100% (s 124).

Related: Unjustified dismissal claimsConstructive dismissal claims

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