49 C.F.R. § 236.105 Electric lock.
Title 49 - Transportation
Electric lock, except forced-drop type, shall be tested at least once every two years.
Title 49: Transportation
PART 236—RULES, STANDARDS, AND INSTRUCTIONS GOVERNING THE INSTALLATION, INSPECTION, MAINTENANCE, AND REPAIR OF SIGNAL AND TRAIN CONTROL SYSTEMS, DEVICES, AND APPLIANCES
Subpart A—Rules and Instructions: All Systems
Inspections and Tests; All Systems
§ 236.105 Electric lock.