unauthorized leave("An unauthorized leave is grounds for corrective action up to and including dismissal."unl.eduART Vancouver); unauthorised absence("Unauthorised absence, often referred to a absence without leave or AWOL, occurs when an employee fails to attend work without either (i) the absence being authorised or (ii) the absence being genuine sickness absence (and in compliance with any requirements for reporting and evidence under a Sickness Absence Policy)."esphr.co.ukART Vancouver)
