If your plan year follows the calendar, late March is either:

(Those are alternative designs — not a combo platter.)

Messaging that works

Skip the regulation voice. Try:

“If you still have 2025 health FSA dollars in limbo, check your runout end date and submit claims with dates of service in 2025. Carryover balances, if our plan allows them, show as available for 2026 expenses and don’t reduce your new election ceiling the way people fear.”

For 2026, remember the carryover cap is $680 when the plan uses carryover instead of a grace period.

Operational cleanup

A short Q1 reminder email outperforms a perfect December “use it or lose it” campaign that everyone ignored during the holidays.