rolling twelve-month period
Definition
A rolling twelve-month period is a moving window of time that constantly shifts forward, always measuring the most recent 365 days from whatever today's date happens to be. Unlike a fixed calendar year that resets on January 1st, this window rolls forward every single day, so yesterday always drops off one end and today gets added to the other.
Example
If your lease allows 12 sick days per rolling twelve-month period and an employee takes 6 days in October 2023, those days count against the limit all the way through October 2024 before they fall off the window.
Watch Out
This method almost always works against you compared to a fixed calendar year, because it prevents employees or customers from doubling up on their allowances right around a New Year reset.
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This definition is for informational purposes only and does not constitute legal advice. Please consult with a licensed attorney for legal guidance.