Sec.16-304-C14. Symbols indicating changes

All tariffs, supplements or revised pages shall indicate changes from preceding issues by the placement of the proper symbol directly in connection with each change, except that when a change of the same character is made on an entire tariff, or supplement, or a page thereof, that fact and the nature of such change may be indicated in distinctive type at the top of the title page, or at the top of each page. The symbols to be used and the meaning thereof shall be as follows:

❢ or (R) to denote reduction

♦ or (A) to denote increases

♠ or (C) to denote changes, the result of which is neither an increase nor a reduction.