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What is the difference between an “edit” and an “annotation”?

NOTE: This guidance reflects minor correction(s) (e.g., for grammar, typographical errors, or consistency) made on March 10, 2022.




Question: What is the difference between an “edit” and an “annotation”?

Guidance: An edit is a change to an electronic logging device (ELD) record that does not overwrite the original record, while an annotation is a note related to a record, update, or edit that a driver or an authorized support personnel may input to the ELD. Section 49 CFR 395.30(c)(2) requires that all edits, whether made by a driver or the motor carrier, be annotated to document the reason for the change. For example, an edit showing time being switched from “Off-Duty” to “On-Duty Not Driving” could be annotated by the carrier to note, “Driver logged training time incorrectly as off-duty.” This edit and annotation would then be sent to the driver for approval in accordance with § 395.30.

Contact Info: FMCSA ELD Information, 1-800-832-5660 or


Note: This guidance document does not have the force and effect of law and is not meant to bind the public in any way.  It is intended only to provide information and clarity regarding existing requirements under the law or agency policies.

Regulatory Topic: ELD Guidance
Effective Date: Tuesday, March 28, 2017
Issued Date: Tuesday, March 28, 2017