I 

A Increase. C Change resulting in neither increase nor decrease in rate or charges.

E Expiration (also use “A” if the deletion results in the application of a higher “cargo, n.o.s.” or similar rate).

I New or initial matter.

K Rate or change filed by a controlled common carrier member of a conference under independent action.

M Transportation of U.S. Department of Defense cargo by American-flag common carriers.

P Addition of a port or point.

R Reduction.

S Special Case matter filed pursuant to Special Permission, Special Docket or other Commission direction, including filing of tariff data after suspension, such as for controlled carriers. Requires “Special Case Number.”

T Terminal Rates, charges or provisions or canal tolls over which the carrier has no control. W Withdrawal of an erroneous publication on the same publication date.

X Exemption for controlled carrier data in trades served exclusively by controlled carriers or by controlled carriers of states receiving most-favored-nation treatment.

Port