TERMINATION OF EMPLOYMENT – termination at initiative of employer – abandonment – s.394 Fair Work Act 2009 – application for an unfair dismissal remedy – applicant commenced period of unpaid sick leave – respondent advised that authorised leave would end and that applicant would need to provide a medical clearance prior to returning to work – two-line medical certificate provided, but respondent did not consider it to be a satisfactory medical clearance – respondent requested further information – no further information provided – applicant dismissed for non-performance of duties arising from his unauthorised absences under s.29(3)(c) of the Public Service Act 1999 (Cth) – Commission satisfied respondent had a valid reason to dismiss applicant – found dismissal not harsh, unjust or unreasonable – application dismissed. Gadzikwa v Australian Government Department of Human Services