Changes and Revisions

The nature of tariff changes and revisions are depicted by the letter-symbols which appear under the “symbol” column. The letter-symbols and their significance are as follows:

AR Denotes the addition of a new tariff rate not previously published.

MR Denotes the modification or correction of a tariff rate.

RR Denotes that the rate has been reviewed and that no changes are necessary.

AW Denotes the addition of a new paragraph, new note, or new wording.

MW Denotes the modification or correction of a paragraph, note or wording.

RW Denotes that the wording has been reviewed and that no changes are necessary.

CN Denotes a change of tariff item number.

+ A plus sign following the letter symbol MR, MW o CN indicates the tariff rate has been increased.

- A minus sign following the letter symbol MR, MW o CN indicates the tariff rate has been decreased.