Calculating the FMLA YearFMLA provides four possible methods for employers to use in calculating the FMLA year(the 12-month period during which employees may use the 12 weeks of leave). A FMLAyear can be calculated as any of the following:The calendar year Any fixed 12-month period (such as the fiscal year or anniversary date) The 12-month period beginning when a FMLA leave begins A rolling 12-month period that is measured back from the date the FMLA leave is usedby an employee