When an employee who has been working in a seasonal or extra-help category is appointed to a permanent position such appointee shall receive credit for such extra-help or seasonal period of service in computing accumulated sick leave, provided that no credit shall be given for service preceding any period of more than twenty-eight (28) consecutive calendar days in which an employee was not in a pay status.

If an employee who has unused sick leave accrued is laid off and subsequently re-employed in a permanent position, such sick leave credits shall be restored to him/her upon reemployment. The employee shall not have any portion of sick leave credits restored for which he/she received compensation at the time of or subsequent to the day of layoff.