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Parts and Accessories Necessary for Safe Operation; Application for an Exemption From Pi Variables, Inc.

Notice of application for exemption; request for comments.

FMCSA requests public comment on an application for exemption from Pi Variables, Inc. (Pi Variables) to allow sequential flashing light emitting diode (LED) flare warning devices to be deployed when CMVs are stopped upon the traveled portion of a highway or the shoulder of a highway for any cause other than necessary traffic stops.

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