| The following Margin Codes are contained within the Tariff: |
|---|
| (C) | Changed listing, condition, rule or regulation (condition change) |
| (D) | Discontinued (deleted) material |
| (I) | Signifies price increase |
| (M) | Material moved from one sheet to another sheet, but within the same schedule or rule (for times when text is added or deleted causing repagination) |
| (N) | New material |
| (R) | Signifies price reduction |
| (T) | Text change (but no change in price or condition) |