South Carolina Code of Regulations
Chapter 103 - PUBLIC SERVICE COMMISSION
Article 1 - COMMON CARRIERS
Subarticle 1 - COMMON CARRIERS BY RAIL AND EXPRESS COMPANIES
Section 103-23 - Joint Rates Defined, Manner of Making Combination Rates

(a) Joint freight rates are those ordered put in, or authorized, by the Public Service Commission of South Carolina, which rates shall only apply on shipments moving between two points in the State of South Carolina, over two or more railroad routes, not under the same management or control.

(b) In making combination rates between points in South Carolina where no joint rates are in effect, no railroad shall charge more than its maximum rates, less twenty per cent, except that in no case shall the total rate so made be less than the maximum mileage rate for the total short line distance.

(c) In making combination rates, where one or more of the factors are specific point to point or mileage rates lower than the maximum rates prescribed by the Commission and the other factor or factors is the maximum mileage rate, the factor or factors which is the maximum mileage rate is subject to a deduction of twenty per cent except that the total rate so made must not be less than the maximum mileage rate for the total short line distance. Where one or more of the factors are specific point to point rates, or mileage rates voluntarily established by the railroads lower than the maximum rates or scales, such rates will not be subject to a deduction of twenty per cent.

(d) "The maximum mileage rates" are the mileage rates (or scales) prescribed by the Public Service Commission of South Carolina.

(e) Fractions resulting in the deduction from the maximum mileage rate, as required by this rule, shall be disposed of in accordance with the provision of Rule No. 36 of the Uniform Freight Classifications, No. 12, and reissues thereof, before combining the factors which constitute the through rate.