49 CFR Part 235 — Instructions Governing Applications for Approval of a Discontinuance or Material Modification of a Signal System or Relief from the Requirements of Part 236
- § 235.1— Scope.
- § 235.3— Application.
- § 235.5— Changes requiring filing of application.
- § 235.6— Expedited application for approval of certain changes.
- § 235.7— Changes not requiring filing of application.
- § 235.8— Relief from the requirements of part 236 of this title.
- § 235.9— Civil penalty.
- § 235.10— Contents of applications.
- § 235.12— Additional required information-prints.
- § 235.13— Filing procedure.
- § 235.14— Notice.
- § 235.20— Protests.