Class I. Carriers having annual carrier operating revenues (including interstate and intrastate) of $10 million or more after applying the revenue deflator formula in Note A.
Class II. Carriers having annual carrier operating revenues (including interstate and intrastate) of at least $3 million but less than $10 million after applying the revenue deflator formula in Note A.
Class III. Carriers having annual carrier operating revenues (including interstate and intrastate) of less than $3 million after applying the revenue deflator formula in Note A.
49 C.F.R. §369.2
Each carrier's operating revenues will be deflated annually using the Producer Price Index (PPI) of Finished Goods before comparing those revenues with the dollar revenue limits prescribed in paragraph (a) of this section. The PPI is published monthly by the Bureau of Labor Statistics. The formula to be applied is as follows: