39 CFR § 3030.528
Application of unused rate adjustment authority
November 6, 2020
When the percentage change in rates for a class is greater than the applicable annual limitation, then the difference between the percentage change in rates for the class and the annual limitation shall be subtracted from the existing unused rate adjustment authority for the class, using a first-in, first-out (FIFO) method, beginning 5 years before the instant notice.
[78 FR 52704, Aug. 26, 2013, redesignated at 79 FR 33834, June 12, 2014, and further redesignated at 85 FR 9615, Feb. 19, 2020]