Home › CFR › Title 14 › Part 25814 CFR Part 258 — Disclosure of Change-of-Gauge Services§ 258.1— Purpose.§ 258.2— Applicability.§ 258.3— Definitions.§ 258.4— Unfair and deceptive practice.§ 258.5— Notice requirement.§ 258.6— Effective and compliance dates.