You need an ELD if you operate a commercial motor vehicle in interstate commerce and are required to maintain Records of Duty Status (RODS) under 49 CFR Part 395. The four exemptions are: vehicles manufactured before model year 2000, drivers using paper logs no more than 8 days in any 30-day period, driveaway-towaway operations, and drivers qualifying for the short-haul exemption (within 150 air-mile radius, returning to home terminal within 14 hours, and not exceeding 11 hours driving).

What is the FMCSA ELD mandate?

The FMCSA ELD mandate, codified at 49 CFR Part 395 Subpart B, requires most commercial motor vehicle drivers who must maintain Records of Duty Status to use an electronic logging device instead of paper logs. The mandate was fully enforced beginning December 16, 2019. Devices must be registered on the FMCSA ELD registry at eld.fmcsa.dot.gov to be compliant.

What is the short-haul ELD exemption?

Under 49 CFR §395.1(e), a driver qualifies for the short-haul exemption — and is not required to use an ELD or keep RODS — if they: (1) operate within a 150 air-mile radius of their normal work reporting location, (2) return to the same location and are released from duty within 14 consecutive hours, (3) do not exceed 11 hours of driving time, and (4) have at least 10 consecutive hours off duty between shifts. The carrier must retain time records for 6 months.

Are pre-2000 trucks exempt from the ELD mandate?

Yes. Vehicles with an engine model year of 1999 or older are exempt from the ELD mandate under 49 CFR §395.2, because older engines cannot interface with an ELD through the required ECM (Engine Control Module) port connection. Drivers of pre-2000 vehicles must still maintain paper logs if they are otherwise required to keep RODS. The exemption applies to the engine model year, not the vehicle model year.

What is the 8-days-in-30 ELD exemption?

Under 49 CFR §395.1(e)(1), a driver who uses paper logs for no more than 8 days in any 30-day period is not required to use an ELD. This exemption is intended for drivers who only occasionally operate CMVs requiring RODS. Carriers must be able to document that the driver has not exceeded 8 log days in the prior 30 days. Exceeding 8 days requires ELD use for that period.

Do owner-operators need an ELD?

Yes, unless they qualify for an exemption. Owner-operators who operate in interstate commerce and are required to maintain RODS must use an FMCSA-registered ELD. The most common exemptions for owner-operators are the short-haul exemption (150 air-mile radius, home by end of shift) and the pre-2000 vehicle exemption. The fact that you own your truck does not create any additional exemption from the ELD requirement.

Does hotshot trucking require an ELD?

It depends on the operation. Hotshot drivers using a pickup truck and gooseneck trailer hauling interstate freight are subject to the ELD mandate if the combination vehicle's GCWR exceeds 10,001 lbs and the driver must maintain RODS. Many hotshot drivers incorrectly believe the short-haul exemption applies to them — it does not if they regularly exceed the 150 air-mile radius or do not return to the home terminal within 14 hours.

What are the penalties for not having an ELD?

Under 49 CFR Part 386, Appendix B, operating without a required ELD can result in civil penalties of $1,000–$10,000 per violation per day. During a roadside inspection, a driver operating without a required ELD will receive a driver out-of-service order under CVSA Out-of-Service Criteria — meaning the truck cannot move until the violation is corrected. Each day of non-compliance is a separate violation.

Where can I find the list of FMCSA-registered ELD devices?

The official FMCSA ELD registry is at eld.fmcsa.dot.gov. Only devices that appear on this list are legally compliant under the ELD mandate. Carriers should verify their device is listed before use. FMCSA also maintains a list of self-certified devices that have been reported as non-compliant or revoked — carriers using these devices are not in compliance.

Does the ELD mandate apply to Canadian and Mexican drivers?

Yes. Canadian and Mexican commercial drivers operating in the United States and subject to U.S. HOS rules must use FMCSA-registered ELDs when required. Canadian drivers operating under Canadian HOS rules while in the U.S. may use ELDs registered with Transport Canada, provided the device meets FMCSA technical standards. Mexican drivers operating in the U.S. must use FMCSA-registered ELDs.

ELD Requirements (FMCSA): Who Needs an ELD, Exemptions & How to Choose One (2026)

● QUICK ANSWER

Under the FMCSA ELD mandate (49 CFR Part 395 Subpart B), most commercial motor vehicle drivers who are required to maintain Records of Duty Status must use an Electronic Logging Device registered on the official FMCSA ELD registry. The four federal exemptions are: the short-haul exemption (150 air-mile radius), the 8-days-in-30 exemption (occasional paper log users), the pre-2000 engine exemption, and the driveaway-towaway exemption. Operating without a required ELD results in an immediate driver out-of-service order and fines of $1,000–$10,000 per violation per day.

What Is an Electronic Logging Device (ELD)?

An Electronic Logging Device, or ELD, is a piece of hardware — connected directly to a commercial vehicle's engine via the ECM (Engine Control Module) diagnostic port — that automatically records driving time, engine hours, vehicle movement, miles driven, and location. It replaced the paper log book as the primary method for tracking Hours of Service compliance for most U.S. commercial drivers.

The FMCSA ELD mandate, codified at 49 CFR Part 395 Subpart B, was fully phased in by December 16, 2019. The rule replaced the earlier AOBRD (Automatic On-Board Recording Device) standard and established uniform technical specifications for all compliant devices. The mandate itself derives from the Moving Ahead for Progress in the 21st Century Act (MAP-21), which directed FMCSA to adopt ELD standards by 2012 — a timeline Congress enforced after years of agency delay.

Unlike paper logs, which drivers complete manually and are easily manipulated, ELDs automatically sync to engine data. The device records when the engine is on, when the vehicle is moving, and how fast. Drivers must still annotate duty status changes (on duty not driving, off duty, sleeper berth), but the system creates a tamper-evident record that FMCSA inspectors can verify in seconds during a roadside stop.

What an ELD Records Automatically

→Engine power-on and power-off events
→Vehicle motion (starts at 5 mph threshold)
→Miles driven per shift
→Engine hours
→Location at duty status changes
→Driver login/logout events

What Drivers Still Enter Manually

→Duty status changes (on duty, off duty, SB)
→Carrier name and DOT number
→Shipping documents / manifest numbers
→Remarks and location annotations
→Malfunction notations
→Trailer number and co-driver info

Who Must Have an ELD — FMCSA Compliance Threshold

The ELD mandate applies to you if all three of the following are true:

ELD mandate applies when ALL three conditions are met

You operate a commercial motor vehicle (CMV) in interstate commerce

Defined as: GVWR or GCWR over 10,001 lbs, or hazmat requiring placards, or 9+ passengers for compensation

49 CFR §390.5

You are required to maintain Records of Duty Status (RODS) under federal HOS rules

Most CMV drivers in interstate commerce must keep RODS unless a specific exemption to the RODS requirement applies

49 CFR Part 395

None of the four federal ELD exemptions apply to your operation

Short-haul, 8-days-in-30, pre-2000 engine, or driveaway-towaway exemptions must be documented and genuinely met

49 CFR §395.1(e), §395.2

📋 Who This Rule Applies To

The ELD mandate applies to for-hire carriers and private carriers, owner-operators and company drivers, U.S. carriers and Canadian/Mexican carriers operating in the United States. Fleet size is irrelevant — a single-truck owner-operator who meets all three criteria above is subject to the same ELD requirement as a 1,000-truck fleet.

Free ELD Eligibility Checker — Do I Need an ELD?

Answer 6 questions based on your actual operation. The checker applies FMCSA's exact decision logic from 49 CFR Part 395 and the four ELD exemptions.

⚡

Do I Need an ELD? — Free Eligibility Checker

Based on 49 CFR Part 395 FMCSA rules · Not legal advice

Question 1 of 6

Do you operate your commercial motor vehicle across state lines?

Even a single interstate trip makes you an interstate carrier subject to FMCSA rules.

The 4 Federal ELD Exemptions — Complete Breakdown

FMCSA recognizes exactly four exemptions to the ELD mandate. Each has specific qualifying conditions. Claiming an exemption you do not actually meet is itself a violation — carriers have been fined after auditors discovered that drivers' actual routes exceeded the radius claimed under the short-haul exemption.

1. Short-Haul Exemption

Medium Risk49 CFR §395.1(e)(1)

Who qualifies: Drivers operating within 150 air miles of their normal work reporting location who return to and are released from that location within 14 hours

✓Must return to home terminal within 14 consecutive hours

✓Cannot exceed 11 hours driving time

✓Must take 10+ consecutive hours off duty between shifts

✓Carrier must retain time records for 6 months

📝 No RODS required under qualifying conditions

⚠️ Common mistake: Drivers assume they qualify but regularly exceed 150 air miles or fail to return within 14 hours

2. 8 Days in 30 Exemption

Medium Risk49 CFR §395.1(e)(1)

Who qualifies: Drivers who use paper logs for no more than 8 days in any 30-day rolling period

✓Must track log days across rolling 30-day window

✓On day 9, ELD required for that period

✓Carrier must document qualifying days

✓Paper logs must be retained 6 months

📝 Paper logs permitted ≤ 8 days in 30 days

⚠️ Common mistake: Failing to track rolling 30-day count; crossing threshold without switching to ELD

3. Pre-2000 Vehicle Exemption

Low Risk49 CFR §395.2

Who qualifies: Commercial motor vehicles with an engine manufactured before model year 2000

✓Exemption is based on engine model year, not chassis year

✓A 1998 engine in a newer cab is exempt

✓RODS still required if otherwise mandated (paper logs)

✓No requirement to upgrade ELD capability

📝 Paper logs required if otherwise subject to RODS

⚠️ Common mistake: Confusing chassis model year with engine model year

4. Driveaway-Towaway Exemption

Low Risk49 CFR §395.1(e)(3)

Who qualifies: Operations where the vehicle being driven is part of the shipment being delivered, and the vehicle is not equipped with an ECM port

✓Vehicle must be part of the shipment itself

✓ELD cannot be practically installed on a vehicle in transit

✓Paper logs permitted for the duration of driveaway

✓Driver must carry documentation showing driveaway nature

📝 Paper logs permitted when ELD impractical

⚠️ Common mistake: Claiming driveaway exemption when delivering a loaded trailer vs. delivering the vehicle itself

Short-Haul Exemption: The Exemption Most Drivers Think They Have But Don't

The short-haul exemption is by far the most commonly misunderstood and incorrectly claimed ELD exemption. During FMCSA compliance reviews, auditors routinely find that carriers claiming the short-haul exemption cannot document that their drivers actually met all four qualifying conditions — every qualifying day.

Under 49 CFR §395.1(e)(1), a driver qualifies for the short-haul exemption — and is not required to maintain RODS or use an ELD — if and only if the driver:

All four conditions must be met every qualifying day — 49 CFR §395.1(e)(1)

1. Operates within a 150 air-mile radius of the normal work reporting location

Air miles, not road miles. GPS-traced routes must stay within a 150-mile-radius circle from the work reporting terminal — not from the driver's home.

✓ Within 150 air miles✗ Even one trip beyond 150 air miles = exemption lost that day

2. Returns to the normal work reporting location

The driver must return to the same terminal or work reporting location they started from — not a different company facility.

✓ Returns to home terminal✗ Layover at a hotel or different terminal = exemption lost

3. Is released from duty within 14 consecutive hours of coming on duty

The 14-hour clock starts the moment the driver comes on duty — not when they start driving. Being released in hour 14.5 disqualifies the exemption for that day.

✓ Released within 14 hours✗ Released at hour 14:01 = exemption lost that day

4. Has at least 10 consecutive hours off duty between shifts

The 10-hour break must be consecutive. Split sleeper berth provisions do not apply under the short-haul exemption.

✓ 10 consecutive hours off✗ Less than 10 consecutive = exemption lost

⚠️ The short-haul exemption is lost on the day it is violated — not retroactively

If a driver qualifies for the short-haul exemption Monday through Thursday but exceeds 150 air miles on Friday, they must switch to ELD (or maintain paper logs) on Friday only. They do not lose the exemption for prior compliant days. But they must be carrying paper logs — or have ELD capability — every day they are on the road, because exemption qualification cannot always be confirmed in advance.

🗺️

Unsure if your routes qualify for the short-haul exemption?

The TruckComplianceHQ ELD Compliance Checker walks through the short-haul criteria against your actual operation — not just in theory. Free, no account required.

Check ELD Compliance →Calculate your HOS limits →

Real-World ELD Scenarios — Owner-Operators, Hotshot, Local Fleets

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Owner-Operator, Interstate Freight

ELD Required

Jason runs a single truck hauling dry van loads from Memphis to Chicago — roughly 530 miles each way. His truck is a 2019 Freightliner Cascadia.

Why: Jason operates interstate, must keep RODS, and his engine is post-1999. He does not qualify for short-haul (routes exceed 150 air miles). He needs a registered ELD.

💡 Recommendation: Motive or Samsara — best owner-operator support and competitive monthly pricing.

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Hotshot Driver, Pickup + Gooseneck

ELD Required

Maria runs a RAM 3500 with a 40-ft gooseneck trailer hauling oil field equipment across Texas and Oklahoma. Combined GCWR is 26,000 lbs.

Why: Combination weight exceeds 10,001 lbs GCWR. Maria operates interstate. She exceeds 150 air miles regularly. The ELD mandate applies in full.

💡 Recommendation: Motive — best support for pickup truck-based hotshot operations with non-commercial ECM ports.

🏙️

Local Delivery Fleet, Metro Area

ELD Not Required

A 12-truck fleet delivers building materials within 80 miles of their Memphis distribution center. All drivers leave and return the same day, within 14 hours.

Why: Every driver qualifies for the 150 air-mile short-haul exemption. No RODS required. No ELD required. Carrier must retain driver time records (start/end times) for 6 months.

💡 Recommendation: Use a simple time-tracking system — ELD is not required, but document the exemption qualification daily.

🔧

Classic Truck, 1998 Peterbilt

ELD Not Required

Dennis runs a 1998 Peterbilt 379 with the original Cat 3406E engine, hauling antique vehicles to shows across the Midwest.

Why: The engine model year is 1998 — pre-2000. Dennis qualifies for the engine model year exemption under 49 CFR §395.2. He must still maintain paper logs since he keeps RODS.

💡 Recommendation: Paper log books — ensure they are FMCSA-compliant format and retained for 6 months.

Penalties for ELD Violations — What FMCSA Can Fine You

ELD penalties are published in 49 CFR Part 386, Appendix B. FMCSA treats ELD violations as HOS violations — and HOS is the second-highest BASIC in the CSA scoring system, with a 65% intervention threshold. Every ELD violation hits your CSA score and your insurance rates at renewal.

ViolationMin FineMax FineOOS Order?

Operating without required ELD (per day)$1,000$10,000⛔ Yes

ELD malfunction not reported within 24 hours$500$5,000✅ No

Failure to repair/replace ELD within 8 days$1,000$10,000✅ No

Tampering with or disabling ELD$2,500$10,000⛔ Yes

Failure to transfer ELD data to enforcement officer$1,000$5,000✅ No

Using a non-registered or revoked ELD device$1,000$10,000⛔ Yes

Failure to retain ELD records (6-month minimum)$500$5,000✅ No

Driver-carrier collusion to falsify ELD logs$2,500$16,000⛔ Yes

🚨 OOS orders stop revenue immediately — and multiply by the day

A carrier running 5 trucks without required ELDs for 7 days faces: 5 trucks × 7 days × up to $10,000 = $350,000 in potential fines, plus immediate out-of-service orders the moment an inspector discovers the violation at any weigh station or port of entry. Each day is a separate violation. Time does not reduce the exposure — it increases it.

🧮 ELD Violation Cost Estimator

Estimate what an ELD violation costs your fleet — before FMCSA finds it first.

Number of non-compliant trucks

Days of non-compliance before discovery

Violation type

Out-of-service applies to this violation

⛔ Yes — truck is immediately parked

$75,000FMCSA fine estimate

$21,000Revenue loss (OOS trucks)

$96,000Total estimated exposure

How to Choose an FMCSA-Approved ELD — 6 Criteria That Matter

All FMCSA-registered ELDs meet the same federal technical standard — but the standard defines a floor, not a ceiling. The criteria below determine which registered device works best for your specific operation.

Verify FMCSA registration before anything else

Go to eld.fmcsa.dot.gov and confirm the device shows 'Registered' status. This is non-negotiable. Vendor self-certification claims and marketing materials are not legal documentation of compliance. Check the registry, not the brochure.

→ FMCSA ELD Registry →

Confirm engine and ECM port compatibility

ELDs connect via the J-Bus (J1939 or J1708) ECM port. Most post-2000 truck engines support this — but specific engine makes, years, and configurations vary. Confirm compatibility directly with the ELD manufacturer, not a reseller, before purchasing. Incompatible hardware is a non-compliance risk from day one.

Evaluate HOS rule configuration support

Your device must support the specific HOS rulesets that govern your operation: property-carrying rules (49 CFR §395.3), passenger rules (§395.5), or applicable exceptions. If you operate under multiple rulesets — e.g., interstate on some days and intrastate on others — verify the device supports ruleset switching.

→ Calculate your HOS hours →

Check connectivity in your operating regions

Most ELDs rely on cellular connectivity for data sync and fleet tracking. If you operate in remote areas with poor cell coverage — Wyoming high desert, rural Montana, parts of Texas — confirm whether the device supports offline functionality and whether it syncs when coverage resumes.

Assess IFTA reporting integration

If you operate in IFTA jurisdictions (most interstate carriers), ELDs that auto-generate IFTA fuel tax reports can save 4–8 hours of quarterly reporting time per truck. Not all ELDs include this — and some charge extra. Verify IFTA integration before purchase.

Evaluate the driver-facing app and malfunction procedures

FMCSA requires carriers to train drivers on ELD malfunction reporting. Choose a device with a clear malfunction workflow — drivers must be able to identify a malfunction, note it in the record, notify the carrier within 24 hours, and reconstruct paper logs. A complicated app increases malfunction-handling errors.

Best ELD Providers in 2026 — Side-by-Side Comparison

All devices listed below are FMCSA-registered as of May 2026. Pricing is approximate and varies by contract term and fleet size. Verify current pricing directly with vendors. All vendor links go to the FMCSA ELD registry confirmation page — not affiliate links.

ProviderMonthly/VehicleHardwareIFTAGPSFleet SizeBest For

Samsara$33–$45$99–$199✓✓1–10,000+Best-in-class dashboard, real-time alerts

Motive (KeepTruckin)$20–$35$99–$149✓✓1–5,000Most popular with owner-operators; strong AI dash cam

Geotab$25–$50$149–$299✓✓10–unlimitedEnterprise-grade data analytics; reseller network

Verizon Connect$35–$55$150–$250✓✓5–unlimitedDeep integration with dispatch and fuel management

BigRoad (Rand McNally)$15–$25$69–$149✗✓1–500Budget-friendly; best for small owner-operators

📋 Always verify registration on eld.fmcsa.dot.gov before purchase

FMCSA has revoked registration for several ELD providers over technical non-compliance. A device that was registered when you purchased it may not still be registered. Carriers using revoked devices are out of compliance regardless of when they bought the device. Check the registry annually at minimum.

How to Get ELD Compliant — 6-Step Guide for Carriers

Confirm whether your operation requires an ELD

The ELD mandate applies if you: (1) operate in interstate commerce, (2) are required to maintain Records of Duty Status under 49 CFR Part 395, and (3) none of the four exemptions apply to your operation. Use the eligibility checker above if you are unsure. Many carriers assume they are exempt — most are not when their actual routes are audited.

Verify device registration on the FMCSA ELD portal

Go to eld.fmcsa.dot.gov and search for any device you are considering. The device must show 'Registered' status. FMCSA also maintains a list of revoked devices. Carriers who purchased a compliant device that was later revoked are not in compliance and must replace it. Verify your device status at every annual audit cycle.

→ Check FMCSA ELD Registry →

Confirm engine compatibility before purchasing hardware

ELDs connect to the ECM diagnostic port (J-Bus port) of your engine. The device must be compatible with your specific engine make, model, and year. Some older engines within the post-1999 range have non-standard port configurations. Verify compatibility directly with the ELD vendor before purchase — not with the device reseller.

Configure HOS rulesets for your specific operation

Your ELD must be configured for the correct HOS ruleset: property-carrying rules (11/14), passenger-carrying rules (10/15), or applicable exceptions such as the adverse driving conditions exception or 16-hour short-haul extension. If you operate under multiple rulesets (e.g., interstate and intrastate on different days), confirm your device supports ruleset switching.

→ Calculate your HOS limits →

Train every driver on ELD use and malfunction procedures

Under 49 CFR §395.22, carriers must train all drivers before they use an ELD. Training must include: how to use the device during normal operations, how to certify and edit logs, how to transfer data to an enforcement officer, and critically — what to do during a malfunction (report within 24 hours, switch to paper logs, reconstruct the prior 7 days). FMCSA inspectors ask malfunction procedure questions during roadside inspections.

Implement 6-month record retention and audit readiness

Under 49 CFR §395.22(i), all ELD records must be retained for a minimum of 6 months. Carriers must also retain supporting documents — bills of lading, dispatch records, fuel receipts, and toll records — for 6 months to cross-reference against ELD logs during an audit. Auditors will pull ELD data and compare it against supporting documents to identify discrepancies.

→ Check your full compliance status →

✅

Track ELD compliance, CDL renewals, and all 40+ compliance items in one place

TruckComplianceHQ monitors every expiration date across your fleet and alerts you 90, 60, and 30 days out — so ELD registration renewals and device status changes never catch you off guard.

Run Free Compliance Check →Start full dashboard trial →

TruckComplianceHQ Editorial Team

FMCSA Compliance Specialists

Last Updated: May 9, 2026 · Next Scheduled Review: November 2026
Reviewed By: TruckComplianceHQ Editorial Team — FMCSA Compliance Specialists
Methodology: All regulatory information is sourced from FMCSA primary regulations (49 CFR Parts 385, 390, 395), the official FMCSA ELD registry at eld.fmcsa.dot.gov, FMCSA guidance documents, and CVSA Out-of-Service Criteria. Vendor pricing is sourced from publicly available pricing pages as of May 2026. This guide is informational only — not legal advice. Verify current requirements at FMCSA.dot.gov.

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Frequently Asked Questions — ELD Requirements

Yes, unless you qualify for an exemption. Owner-operators running interstate commerce who must maintain Records of Duty Status (RODS) under 49 CFR Part 395 are subject to the ELD mandate regardless of fleet size. The most common exemptions are the 150 air-mile short-haul exception and the pre-2000 engine exemption. Owning your own truck creates no separate exemption.

Under 49 CFR §395.1(e)(1), the short-haul exemption applies if you: (1) operate within a 150 air-mile radius of your normal work reporting location, (2) return to that location and are released from duty within 14 consecutive hours, (3) do not exceed 11 hours of driving, and (4) take at least 10 consecutive hours off duty between shifts. If you exceed the radius even once, you lose the exemption for that day and must switch to ELD or paper logs. Many hotshot drivers and local truckers believe they qualify — most don't when routes are audited.

Yes. Vehicles with an engine model year of 1999 or earlier are exempt because older ECMs cannot interface with an ELD through the required diagnostic port. The exemption is based on the engine model year, not the chassis. A 1998 engine in a newer cab is exempt. Drivers of exempt pre-2000 vehicles still need paper logs if they are otherwise required to keep RODS.

Under 49 CFR §395.1(e)(1), drivers who use paper logs for no more than 8 days in any 30-day rolling period may use paper logs instead of an ELD. This is intended for occasional CMV operators. Carriers must be able to document that the threshold was not exceeded. Once a driver hits 9 log days in a 30-day period, they must use an ELD for that period.

Under CVSA Out-of-Service Criteria, a driver operating without a required ELD will receive an immediate driver out-of-service order — the truck does not move. The violation is also cited in the FMCSA DataQ system and counts against your CSA HOS Compliance BASIC score. Fines range from $1,000 to $10,000 per violation per day under 49 CFR Part 386, Appendix B. FMCSA inspectors verify ELD compliance by requesting a data display or printout of the 24-hour log on the device screen.

It depends on the combination weight. If your pickup and gooseneck trailer combination exceeds 10,001 lbs GCWR and you operate in interstate commerce requiring RODS, you are subject to the ELD mandate. Many hotshot operators mistakenly assume their operation qualifies for the short-haul exemption. If you haul beyond 150 air miles from your home terminal or don't return the same day, you do not qualify.

Go to eld.fmcsa.dot.gov — the official FMCSA ELD registry. Search by provider name or device name and confirm the device status shows 'Registered.' FMCSA also maintains a list of revoked and non-compliant devices. Carriers using revoked devices are not in compliance even if they passed a previous inspection. Check the registry before purchasing and periodically after to confirm your device has not been revoked.

Yes. Under 49 CFR §395.34, when an ELD malfunctions, drivers must: (1) note the malfunction in the ELD record, (2) notify the motor carrier within 24 hours, (3) reconstruct records of duty status for the current 24-hour period and the previous 7 days on paper logs, and (4) continue using paper logs until the ELD is repaired or replaced. Carriers must repair or replace a malfunctioning ELD within 8 days of discovery.

Canadian drivers operating under U.S. HOS rules must use FMCSA-registered ELDs. Canadian drivers using Canadian HOS rules while in the U.S. may use ELDs certified under Canada's ELD standard, provided the device meets FMCSA's technical specifications. Mexican drivers operating in the U.S. must use FMCSA-registered ELDs regardless.

During a roadside inspection, you must be able to display: (1) the current 24-hour log on the ELD screen, (2) the previous 7 days of HOS records either on the device or as a printout, and (3) supporting documents such as bills of lading, dispatch records, and receipts. FMCSA-certified inspectors can request a data transfer via USB, Bluetooth, or web services transfer under 49 CFR §395.20.

Official Resources — FMCSA ELD References

All statements in this guide are sourced from official FMCSA regulations and guidance. Verify requirements directly through official government sources before making compliance decisions.