(1) Completion of term of employment;
(2) death of employee;
(3) rescission of the agreement by either party serving a notice to the other party at least three months in advance;
(4) rescission of the agreement by the employer in the case where an officially accepted physician has examined the employee and concludes that the employee should not be employed further on account of his health;
(5) rescission of the agreement by the employer on account of the employee’s serious misbehavior or desertion of duty without justification.