CFR›Title 18›Chapter I›Part 35›Subpart B ContainsSections 35.12–35.13CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart B—Documents To Be Submitted With a Filing Sections 35.12 § 35.12 Filing of initial rate schedules and tariffs. 35.13 § 35.13 Filing of changes in rate schedules, tariffs or service agreements. Previous A Subpart A—Application Next C Subpart C—Other Filing Requirements