Rolling Six Months definition
Rolling Six Months means a period of six consecutive calendar months treated as a single accounting period;”
Billing Month is defined in Section 9.1(b).
Rolling Period means, as of any date, the four Fiscal Quarters ending on or immediately preceding such date.
Model Year means the CI engine manufacturer’s annual production period, which includes January 1st of a calendar year, or if the manufacturer has no annual production period, the calendar year.
Month means calendar month.
Semi-annual (2/Year) sampling frequency means the sampling shall be done during the months of June and December, unless specifically identified otherwise.