Australia unfair dismissal: how long do I have to apply?
Fair Work says an unfair dismissal application generally must be lodged with the Fair Work Commission within 21 days after the dismissal takes effect. The dismissal date itself is not counted as day one, and late applications are only accepted in exceptional circumstances. Official sources: Fair Work Commission and Fair Work Ombudsman. Guide: https://getinstantlaw.com/employment-workplace-problems/fired-from-job
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