A. An employee who cannot perform his/her job duties because of disability, non-work- connected injury or illness shall be removed upon expiration of all such sick leave, vacation and unpaid leave of absence.
B. The removal shall state that it is removal for disability and that if within a two-year period from removal, the employee is fit to return to his/her job duties, he/she will be given preference in hiring when a vacancy occurs.
C. The fact that he/she is physically fit shall be certified by physician statement.
D. When the employee is rehired, there shall be no loss of seniority other than the period between removal and rehiring.