Filling positions on BLS EMS units shall be accomplished by adhering to the following priority and order: ! 1) Debit Day Members 2) Members Assigned to the Station, 3) Fill-In Members, 4) Overtime Member (Pre-scheduled, Day-of) " 1)Overtime Member (Pre-scheduled, Day-of) 2) Members Assigned to the Station, 3) Fill-In Members, 4) Debit Day Members