CFR > Title 49 > Subtitle B > Chapter II > Part 210 > Subpart B CFR > Title 49 > Subtitle B > Chapter II > Part 210 > Subpart B – Inspection and Testing Current as of: 2024 | Check for updates | Other versions § 210.21 Scope of subpart § 210.23 Authorization § 210.25 Measurement criteria and procedures § 210.27 New locomotive certification § 210.29 Operation standards (moving locomotives and rail cars) § 210.31 Operation standards (stationary locomotives at 30 meters) § 210.33 Operation standards (switcher locomotives, load cell test stands, car coupling operations, and retarders)