"Frustration of Contract in Employment Due to Employee Disability or Illness", as Tab 2 of The Law Society of Upper Canada's Continuing Professional Development program June 20, 2017 titled The Six Minute Employment Lawyer 2017

Contract law principles; frustration when no party to contract is at fault but the terms can no longer be fulfilled; discusses the cases in which an employee is absent and/or cannot work because of disability or illness lasting a long or unknowable amount of time; provides employers and employees with information on what tribunals have said on such matters.