Understand federal ELD and supporting-document duties: accurate duty-status records, annotations, receipts, driver certification, roadside transfer and six-month carrier retention.
ELD compliance is a chain of evidence
A compliant electronic log is more than four duty-status lines. The driver's record, vehicle and carrier identifiers, locations, annotations, edit history, certification, supporting documents and carrier backup must tell one consistent story. A legal clock displayed on the screen does not cure missing records, an unassigned driving event or a receipt that contradicts the log.
Start with the rule that applies to the operation
Section 395.8 generally requires a record of duty status for each covered 24-hour period and requires most affected drivers to use a registered ELD. Exceptions include qualifying drivers who need a record on no more than eight days in a rolling 30-day period, specified driveaway-towaway operations and vehicles manufactured before model year 2000 as reflected by the VIN. An exception from ELD use is not automatically an exception from hours-of-service limits or recordkeeping.
Use only a currently registered ELD
A carrier required to use ELDs must use a device on FMCSA's registered ELD list. Match the provider, device name, model and registration identifier, and monitor FMCSA revocation notices. An app that records time or vehicle movement is not compliant merely because a vendor calls it an electronic log.
Log in under the correct driver account
Carriers must create and manage unique accounts with appropriate rights, and drivers and support personnel must use their proper identification. Never share credentials or operate under another driver's profile. At the start of work, confirm the displayed driver, co-driver when applicable, motor carrier, power unit and trailer or shipping information before movement creates records that must later be reconciled.
Record all four duty statuses accurately
The basic statuses are off duty, sleeper berth, driving and on-duty not driving. Loading, fueling, inspections, paperwork, compensated work for another employer and other work may be on-duty time even when the truck is stationary. Select a status from the facts; do not choose the label that leaves the most driving time.
Keep records current throughout the day
Section 395.8 requires duty-status records to remain current to the last change. Enter missing on-duty work, identify each operated vehicle and carrier, and resolve prompts before memory fades. Waiting until the end of the week makes locations, times, trailers and supporting documents harder to match and can turn a correctable omission into an unreliable record.
Treat automatically recorded driving as protected source data
An ELD automatically records driving based on vehicle movement and cannot simply convert that original event into off duty. A driver may add information and, within the system's limits, correct or reassign records, but the original information and audit trail remain. Unassigned driving must be reviewed and attributed to the appropriate driver or explained by the carrier.
Use annotations to explain, not erase
An annotation should state what happened and why the record was changed: incorrect driver selection, missed duty-status change, yard movement, personal conveyance, authorized move or another verifiable event. Keep it factual and specific. An annotation cannot turn on-duty work into off duty, create an exception that does not apply or authorize personal conveyance for a movement directed to advance the carrier's business.
Driver edits preserve the original record
A driver may edit inaccurate entries, add missing information and annotate events through the ELD. Every change or addition must be annotated, and the system preserves the original data. If team drivers were both identified as co-drivers, incorrectly assigned driving time may be transferred between them through the supported procedure. Never ask a vendor or administrator to remove the audit trail.
Carrier edits are proposals until the driver acts
After the driver submits a record, the carrier may propose edits for accuracy. The driver must confirm or reject each change, make the appropriate edit, then recertify and resubmit before it takes effect. A carrier cannot require a false certification, silently rewrite a submitted log or treat a rejected edit as accepted.
Certify each completed 24-hour record
The driver must review the ELD record, correct inaccurate information, add missing details and affirm that the entries and record for the 24-hour period are true and correct. Certification follows the final required entry or correction. If a later edit is made, the driver recertifies the revised record rather than relying on the earlier signature.
Submit the record and documents within 13 days
The driver must submit the record of duty status to the carrier within 13 days of the 24-hour period it covers. Supporting documents are due within 13 days of that period or the day the driver receives the document, whichever is later. A carrier may set a shorter internal deadline, but it should preserve the federal timing and the connection between each document and the correct day.
Know the five supporting-document categories
Section 395.11 covers bills of lading, itineraries, schedules or equivalents showing trip origin and destination; dispatch or trip records; expense receipts related to on-duty not driving time; electronic mobile communications from a fleet-management system; and payroll records, settlement sheets or equivalents showing driver payment. These records verify time that vehicle movement alone cannot establish.
A supporting document needs usable identifiers
A qualifying document includes information linking it to the driver, such as the driver's name, PIN or an associated unit number; the local date; a location stated closely enough for enforcement to identify it on a standard map; and normally a time convertible to local time at that location. When fewer than eight full documents exist, a document with driver link, date and location can still count under the rule.
Eight documents is a retention ceiling, not a target to manufacture
A carrier generally need not retain more than eight supporting documents for one driver's 24-hour period. If more than eight exist, the retained set must include documents with the earliest and latest time indications. Electronic mobile communications for that day count as one document. Paper-log toll receipts have a separate requirement that can apply beyond the eight-document maximum.
Preserve documents in their original form
Drivers must make supporting documents in their possession available during a roadside inspection, but do not have to convert them into a different format. Neither driver nor carrier may obscure, deface, destroy, mutilate or alter existing information. Scan or ingest receipts without cropping date, time, location, amount or identifying details, and protect the original audit trail.
Retain logs and supporting records for six months
A carrier must retain each driver's required records of duty status and supporting documents for at least six months from receipt. ELD carriers must also keep a six-month backup copy on a device separate from the one holding the original data and protect driver privacy with sound business practices. The rule sets a minimum; a litigation hold, contract or another law may require longer preservation.
Carry the required ELD information packet
The vehicle must contain instructions for transferring records to an authorized safety official, instructions for reporting and recording during an ELD malfunction, and enough blank graph-grid logs for at least eight days. The driver should know where the packet is stored and how the installed device performs its supported local or telematic transfer method before an inspection begins.
Respond to an ELD malfunction on the clock
A driver must note the malfunction and give the carrier written notice within 24 hours. Unless records are already available or retrievable, reconstruct the current day and previous seven consecutive days on compliant graph grids, then continue manual records until the ELD is compliant. The carrier normally has eight days from discovery or notice, whichever occurs first, to correct the malfunction; an extension requires a timely, documented request to FMCSA.
Reconcile the log against business records
A daily review can compare vehicle movement, fuel and expense receipts, bills of lading, dispatch messages, gate timestamps, tolls, payroll and location records. Investigate conflicts instead of deleting the inconvenient source. The goal is an accurate record and documented correction—not a perfectly smooth timeline produced after the fact.
Build a repeatable closeout routine
Before ending the day, confirm duty statuses, vehicle and trailer identifiers, locations, shipping references, special-category use, unassigned driving, annotations and supporting documents. Correct and explain errors, certify the record, submit it under the carrier's workflow and retain the connected evidence. Carriers should audit exceptions, protect originals and backups, train dispatchers not to coerce changes and verify that roadside transfer works.
Use this guide as an operating checklist, not legal permission
Hours-of-service and ELD duties depend on the vehicle, cargo, route, carrier and any valid exception or exemption. State-only operations can have different rules. Apply the current regulations and official FMCSA guidance to the facts, preserve the controlling authorization and ask a qualified compliance professional when status or record treatment is uncertain.
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Official sources
49 CFR 395.8: Driver's record of duty status49 CFR 395.11: Supporting documents49 CFR 395.22: Motor carrier ELD responsibilities49 CFR 395.30: ELD edits, annotations and certification49 CFR 395.34: ELD malfunctionsCDL Truck Pro provides educational information. Confirm licensing, safety, tax, and regulatory requirements through current official sources and qualified professionals.