Directs the department of personnel and other personnel authorities to adopt rules or policies governing the accumulation and use of sick leave for state agency and department employees, expressly for the establishment of a plan allowing participating employees to pool sick leave and allowing any sick leave thus pooled to be used by any participating employee who has used all of the sick leave, annual leave, and compensatory leave that has been personally accrued by him or her. Each department or agency of the state may allow employees to participate in a sick leave pool established by the department of personnel and other personnel authorities.