(1) Departing upon or returning from an official trip away from the employee's headquarters under circumstances that make it impracticable for the employee to use other means of transportation, or where the employee's home is reasonably en route to or from his headquarters or other place where he/she is to commence work the following workday.

(2) The vehicle is to be used by him/her in the conduct of state business on the same day or before his/her usual working hours on his/her next succeeding work day and where such later use has been authorized in writing in advance by his/her agency head or his/her duly authorized representative. The mere possibility that the vehicle may be used outside of business hours by an employee “on call” does not qualify under this subsection.

(3) No state garage facility is available.

(4) The employee is required to respond to urgency or emergency calls outside of his/her regular working hours, reasonably requiring the use of a state-owned vehicle.

(5) The employee is required to work unplanned overtime with the result that no other practical means of getting home is available to the employee.