3010.4—Type 1-B rate adjustment—in general.
(a)
A Type 1-B rate adjustment is a rate adjustment which uses unused rate adjustment authority in whole or in part. A rate adjustment using unused rate adjustment authority may not result in an increase for the class that exceeds the applicable annual limitation plus 2 percentage points.
(b)
Type 1-B rate adjustments filed within 12 months of each other may not apply more than 2 percentage points of unused rate authority to any class.
(c)
Unused rate adjustment authority in each class may be applied to rate adjustments in the same class for up to 5 years.