Compliance guide
NHVR fatigue enforcement work diary checks and transport operator evidence: what the HVNL requires and how to prove compliance
NHVR fatigue enforcement focuses on work diary accuracy, record-keeping, and whether operators can demonstrate they took reasonable steps to prevent fatigue breaches. This guide explains the HVNL obligations and the evidence operators need.

What are NHVR fatigue enforcement work diary checks?
NHVR fatigue enforcement work diary checks are roadside and audit-based inspections in which authorised officers examine a driver's National Driver Work Diary (written or electronic) to verify that work and rest hours comply with the Heavy Vehicle National Law (HVNL). The work diary is the primary evidentiary record of a driver's fatigue status. If the diary contains false or misleading entries, missing information, or patterns that breach standard hours, Basic Fatigue Management (BFM), or Advanced Fatigue Management (AFM) limits, the NHVR can escalate to investigation, improvement notices, or prosecution against both the driver and other parties in the Chain of Responsibility (CoR).
For operators, the critical point is this: enforcement does not stop at the driver. Under the HVNL, employers, prime contractors, operators, and schedulers all carry a duty to ensure driver compliance with work and rest requirements. If the operator cannot produce evidence that it monitored work diary records, verified scheduling, and took corrective action when breaches occurred, it is exposed to liability regardless of whether the driver was at fault.
Key takeaways
- A driver must carry a work diary when undertaking regulated work of 100 km or more from their base under standard hours, or when operating under BFM or AFM—this is mandated by HVNL Chapter 6.
- The HVNL imposes a duty on employers, prime contractors, operators, and schedulers to ensure driver compliance with fatigue rules, not just on drivers themselves.
- False or misleading work diary entries are a specific offence under the HVNL, and record keepers must maintain and retain records that can be produced for enforcement.
- Operators need documented evidence—diary check records, scheduling records, corrective actions, and driver communications—to demonstrate reasonable steps were taken.
- CoRGuard provides workflow tools to centralise fatigue diary checks, record-keeping, and corrective action evidence, though software does not guarantee compliance or remove legal liability.
What does the HVNL say about driver fatigue and work diaries?
The Heavy Vehicle National Law (Queensland), as applied in participating jurisdictions, addresses driver fatigue in Chapter 6. The stated purpose of Chapter 6 is to manage the risks associated with driver fatigue in heavy vehicle operations. The Law defines fatigue, sets out categories of breaches, and prescribes standard, BFM, and AFM work and rest arrangements.
Under HVNL section 293, a driver of a fatigue-regulated heavy vehicle must carry a work diary. The requirement to carry and complete a work diary applies when a driver is undertaking work more than 100 km from their driver base, or when operating under BFM or AFM accreditation regardless of distance. Subdivision 2 of the HVNL sets out the information that must be included in the work diary, and section 297 requires that information be recorded immediately after starting work. Section 298 specifically addresses the obligation to record odometer readings.
These provisions mean that a blank, incomplete, or retrospectively filled work diary is not a technicality—it is a breach of a specific statutory requirement. When the NHVR inspects a work diary at the roadside, the officer is checking whether the driver has complied with these recording obligations in real time.
What is the operator's duty to ensure driver compliance with fatigue rules?
The HVNL does not treat fatigue as solely a driver responsibility. Section 264 of the HVNL imposes a duty on employers, prime contractors, operators, and schedulers to ensure driver compliance with maximum work time and minimum rest time requirements. This means that if a scheduler sends a driver on a run that cannot be completed within legal hours, or if an operator fails to check work diary records and a fatigue breach occurs, the operator and scheduler can be held liable.
This duty sits within the broader CoR framework. Under Part 1A.2 of the HVNL, the primary duty (section 26C) requires each party in the chain to eliminate or minimise so far as is reasonably practicable the safety risks associated with transport activities. Fatigue is a core safety risk. The HVNL also imposes a duty on executives of legal entities (section 26D) to exercise due diligence to ensure the entity complies with its safety duties.
Operationally, this means an operator must be able to answer: How do we know our drivers are not exceeding work limits? How do we verify work diary entries? What do we do when a breach is identified? If the answer is "we rely on the driver," that is unlikely to satisfy the standard of reasonable steps.
What records must a record keeper maintain under the HVNL?
The HVNL establishes the role of a record keeper—the person or entity responsible for keeping driver work and rest records. Under section 321, the record keeper must have the records prescribed by the national regulations. Section 322 sets out general requirements about drivers giving information to the record keeper, and section 323 addresses what happens when a driver changes record keepers.
For operators who act as record keepers (which is the common arrangement), this means they must:
- Collect and retain work diary records from each driver
- Ensure records are legible, complete, and stored for the period required by the regulations
- Be able to produce those records on request to the NHVR or an authorised officer
- Maintain records of any electronic work diary data if an approved electronic recording system is used
The HVNL also addresses electronic work diaries in Subdivision 5 and the obligations of record keepers when an electronic work diary is filled up, destroyed, lost, stolen, or malfunctioning (sections 311–313). While electronic work diaries are a recognised alternative to the written work diary, the current enforcement landscape still heavily relies on the written National Driver Work Diary for the majority of operators. For more information on the electronic work diary transition, see our Electronic Work Diary resource.
What are false or misleading work diary entries and why do they matter?
Section 325 of the HVNL makes it an offence to make a false or misleading entry in a work diary or work record. This applies to drivers, but it also extends to anyone who possesses or records information knowing it to be false or misleading. The HVNL also prohibits tampering with approved electronic recording systems—section 336 requires that a person using an approved electronic recording system must not permit tampering, and section 336A requires reporting of tampering or suspected tampering with an electronic work diary.
These provisions matter to operators because a pattern of false or misleading entries can trigger an investigation that goes beyond the individual driver. If the NHVR finds that a driver has been falsifying work diary entries, the regulator will ask whether the operator knew or should have known. If the operator never checked the records, or if scheduling practices created incentives for drivers to falsify entries to meet unrealistic delivery times, the operator's CoR liability increases significantly.
How does NHVR enforcement actually check work diaries?
NHVR enforcement of work diaries occurs through two main channels:
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Roadside checks: Authorised officers inspect the driver's current work diary at the roadside, checking for completeness, accuracy, and compliance with the applicable work and rest hours option (standard, BFM, or AFM). Officers compare odometer readings, time stamps, and rest breaks against the legal limits.
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Audits and investigations: The NHVR can compel production of records from the record keeper. This is broader than a roadside check—it covers a period of time, multiple drivers, and the operator's systems. The NHVR will examine whether the operator's scheduling, dispatch, and record-keeping practices support compliance or create fatigue risk.
In both cases, the operator's ability to produce evidence is critical. If the NHVR requests records and the operator cannot locate them, or if the records are incomplete, the operator is in a weaker position to demonstrate reasonable steps. Our guide on audit-ready evidence: what transport operators should centralise before review covers what records to centralise and why.
What evidence should operators maintain for fatigue compliance?
To demonstrate reasonable steps under the HVNL and the CoR framework, operators should maintain the following categories of evidence:
- Work diary records: Copies of all driver work diary pages (written or electronic), retained for the period required by the regulations. These should be checked on a regular cycle, not just when a breach is suspected.
- Scheduling records: Records showing that runs were planned within legal work and rest limits, including the basis for estimated transit times and rest stops.
- Driver communications: Records of any instructions given to drivers about fatigue management, including pre-trip briefings and reminders about work diary obligations.
- Corrective action records: Documentation of what happened when a fatigue breach was identified—what was the breach, what was the root cause, what corrective action was taken, and how was it verified. See our guide on corrective actions and risk registers: the quiet backbone of audit-ready compliance for practical implementation.
- Training records: Evidence that drivers and schedulers have been trained in fatigue management and work diary completion, including dates, content, and attendance.
- NHVAS accreditation records (if accredited): If the operator holds NHVAS fatigue management accreditation, records of the fatigue management system, audits, and any conditions imposed by the NHVR. Our NHVAS compliance software page covers how this connects.
The key principle is that evidence should be proactive, not reactive. If the only time an operator compiles fatigue records is when the NHVR comes knocking, the evidence will be fragmented and less credible.
How do CoR and the Master Code intersect with fatigue enforcement?
The Master Code of Practice for the Heavy Vehicle Industry provides a framework for implementing CoR controls, including fatigue management. The 2026 Master Code updates align with the broader HVNL reform agenda. Operators who align their practices with the Master Code are better positioned to demonstrate they have taken reasonable steps.
For fatigue, this means having documented policies and procedures that address:
- How work and rest hours are scheduled
- How work diary records are collected and checked
- How fatigue breaches are identified, reported, and corrected
- How drivers are trained and reminded of their obligations
- How schedulers are prevented from issuing instructions that would cause a fatigue breach
The HVNL's prohibition on causing, aiding, abetting, or inducing a contravention (section 26E on prohibited requests and contracts) is directly relevant here. If a scheduler issues a run that cannot legally be completed, or if a contract imposes penalties for late delivery that incentivise fatigue breaches, the operator and the consignor can be liable. Our article on the 2026 Master Code Chain of Responsibility controls and compliance software explains how Master Code controls map to daily workflow.
How does CoRGuard support fatigue diary check workflows?
CoRGuard is a compliance management platform for Australian heavy vehicle operators, designed to support—not replace—the evidence and workflow obligations imposed by the HVNL and CoR. CoRGuard does not provide legal advice and does not guarantee compliance. What it does is provide structured workflows that help operators centralise and surface the records they need.
For fatigue enforcement and work diary checks, CoRGuard supports the following activities:
- Driver diary check workflows: Operators can schedule and record periodic work diary checks, documenting who checked, what was checked, what was found, and what action was taken.
- Corrective action tracking: When a fatigue breach or diary discrepancy is identified, CoRGuard's corrective action workflow ensures the issue is logged, assigned, tracked to closure, and linked to the relevant record.
- Risk register integration: Recurring fatigue issues can be escalated into the risk register, creating a documented trail of risk identification and management.
- Evidence centralisation: All fatigue-related records—diary checks, training records, scheduling records, corrective actions—are stored in a single system, making it faster to compile evidence for an NHVR audit or investigation.
- NHVAS alignment: For operators transitioning from NHVAS to the Heavy Vehicle Accreditation (HVA) framework, CoRGuard supports documentation of the systems and evidence that accreditation requires. See our NHVAS to HVA transition guide for more detail.
This is not about replacing the work diary or the driver's obligations. It is about giving the operator a system to demonstrate that it has been actively monitoring and managing fatigue risk—because that is what the HVNL requires.
What should operators do next?
If you are an operator, CoR duty holder, or manager responsible for fatigue compliance, the following steps will help you build defensible evidence:
- Audit your current diary check process. How often are work diaries checked? By whom? Is it documented? If the answer is "ad hoc" or "we trust the drivers," start by formalising a check cycle.
- Review your scheduling practices. Can you demonstrate that runs are planned within legal hours? If a driver reports that a run cannot be completed legally, what is the documented response?
- Centralise your records. If fatigue records are spread across email, spreadsheets, paper folders, and individual computers, they are not audit-ready. Use a system like Chain of Responsibility compliance software to bring them together.
- Train your people. Drivers, schedulers, and dispatchers all need to understand fatigue obligations and their role in the CoR. Document the training.
- Prepare for HVNL 2026 changes. The HVNL is due for reform with changes taking effect from 1 August 2026. Operators should review their fatigue management systems now to ensure they will meet the updated requirements. See our guide on HVNL 2026 reform and transport compliance software.
- Get expert advice if needed. MAEZ provides expert advisory, training, and gap-closing services for operators who need help understanding their obligations. CoRGuard at chainresponsibility.au is the software implementation path for operators who need to centralise evidence and workflow. Contact us to discuss which path fits your operation.
Fatigue enforcement is one of the NHVR's most active compliance areas. The work diary is the starting point, but the operator's evidence is what determines whether the CoR duty was met. Building that evidence before an enforcement event is always cheaper than trying to reconstruct it after.
Frequently asked questions
Practical answers
- When must a heavy vehicle driver carry a work diary?
- Under HVNL section 293, a driver of a fatigue-regulated heavy vehicle must carry a work diary when undertaking work more than 100 km from their driver base under standard hours, or when operating under Basic Fatigue Management (BFM) or Advanced Fatigue Management (AFM) regardless of distance. The work diary must be completed in real time, with information recorded immediately after starting work.
- Can an operator be liable if a driver falsifies their work diary?
- Yes. Under HVNL section 264, employers, prime contractors, operators, and schedulers have a duty to ensure driver compliance with fatigue rules. If the operator failed to check work diary records or created scheduling pressures that encouraged falsification, the operator can be held liable under the Chain of Responsibility. The NHVR will examine whether the operator took reasonable steps to monitor and prevent fatigue breaches.
- What records must an operator keep for fatigue management compliance?
- Operators acting as record keepers must collect and retain work diary records (written or electronic), scheduling records showing runs were planned within legal hours, training records for drivers and schedulers, and corrective action records documenting how any identified breaches were addressed. These records must be producible on request to the NHVR or an authorised officer.
- Is an electronic work diary mandatory for Australian heavy vehicle operators?
- No. Electronic work diaries (EWDs) are an approved alternative to the written National Driver Work Diary under the HVNL, but they are not mandatory. Most operators currently use the written work diary. EWDs must be approved by the NHVR and used in accordance with the conditions of approval. Operators should check the current status of EWD approval and transition requirements with the NHVR.
- What is the penalty for a false or misleading work diary entry?
- Under HVNL section 325, making a false or misleading entry in a work diary or work record is an offence. Penalties vary depending on the category of breach—Category 1 (most severe), Category 2, or Category 3—determined by the level of risk the breach created. The HVNL also prohibits tampering with approved electronic recording systems under section 336.
- How does CoRGuard help with fatigue diary checks?
- CoRGuard provides structured workflows for scheduling and documenting periodic work diary checks, tracking corrective actions when breaches or discrepancies are identified, integrating fatigue risks into the risk register, and centralising all fatigue-related records so they are audit-ready. CoRGuard does not replace the work diary or guarantee compliance—it supports the operator's evidence and workflow obligations under the HVNL.
- What HVNL changes are coming for fatigue management in 2026?
- The HVNL is due for reform with changes taking effect from 1 August 2026. Operators should review their fatigue management systems, record-keeping practices, and CoR controls now to ensure they will meet updated requirements. The specific changes should be confirmed through NHVR communications and legislative updates as the implementation date approaches.