1. lower-level employees, head of the unit at least 7 days.2. the employee's head for at least 15 days.3. employee and Department head level Super among at least 20 days.4. the employee is a Manager with at least 30 days.
1. Employees lower level unit chief at least 7 day 2. The head unit, at least 15 day 3. The department head. And the supervisor at least 20 day 4 staff manager level, at least 30 day .