Your FAS generally would be the highest average of wages earned during any continuous period of employment for which you were credited with three years of service (subject to certain exclusions). Wages earned during any year used in a FAS calculation cannot exceed the average of the previous two years' wages by more than 10%; the amount in excess of 10% would be excluded from the computation of FAS.

If you retired before April 20, 2024: Your FAS generally was the highest average of wages earned during any continuous period of employment for which you were credited with five years of service (subject to certain exclusions). Wages earned during any year used in a FAS calculation could not exceed the average of the previous four years' wages by more than 10%; the amount in excess of 10% was be excluded from the computation of FAS.