Section N - Proposed Rate Schedules of the supplemental package shall reflect the existing rate schedules clearly marked with the proposed changes to these schedules. Each existing rate schedule shall also contain tariff symbols indicating each change made to the rate schedule. The tariff symbols shall be clearly marked in the margin of the existing rate schedule. A vertical line which clearly identifies the exact number of lines being changed shall also be contained in the left margin between the tariff symbols. The tariff symbols to be used are shown in 165:70-1-2.
Okla. Admin. Code § 165:70-5-34