What is the prevention principle in Queensland construction law?

The prevention principle dictates that a party cannot insist on the performance of a contractual obligation if they themselves have prevented that performance. In a construction context, this typically means a principal cannot claim liquidated damages for a delayed project if the principal's own actions caused the delay. When this principle applies, the original date for practical completion is often invalidated, and the contractor may only be required to complete the works within a reasonable time. Whether it applies depends heavily on the contract: where the contract gave the contractor a mechanism to claim an extension for the principal's delay and the contractor failed to use it, the current Queensland authority tends to treat the contractor's own failure as the operative cause, so the principle may not apply.

Can a superintendent reject an EOT claim solely because the contractor missed the time bar?

Yes, a superintendent can generally reject a formal EOT claim if the contractor fails to comply with strict contractual notice requirements. However, enforcing the time bar rigidly when the principal caused the delay may, depending on the contract's drafting, trigger the prevention principle and invalidate the principal's right to liquidated damages, although current Queensland authority leans against the principle applying where the contract gave the contractor an extension route that it failed to use. A superintendent may face exposure if their rejection directly leads to the principal suffering economic loss.

What is the superintendent's unilateral power to extend time?

The unilateral power to extend time is a reserve mechanism found in many standard form contracts (such as AS 4000) that allows a superintendent to grant an EOT even if the contractor has not submitted a compliant claim. This power is typically interpreted as existing for the benefit of the principal, specifically to prevent time from being set at large under the prevention principle. Exercising this power requires careful documentation to avoid allegations of bias from either party.

Can a principal sue the superintendent if liquidated damages become unenforceable?

A principal may pursue a professional negligence claim against a superintendent if a flawed certification process causes the principal to lose their entitlement to liquidated damages. The principal will often argue that the superintendent breached their duty of care by failing to properly manage a time-barred EOT claim. The success of such a claim can depend heavily on the specific wording of the superintendent's engagement agreement.

How does proportionate liability protect a superintendent in a negligence claim?

Under section 31 of the Civil Liability Act 2003 (Qld), a superintendent's liability for economic loss may be limited to an amount that reflects their just proportion of the responsibility. If a superintendent can establish that the contractor's failure to submit required notices contributed to the loss, the court may apportion a percentage of the fault to the contractor. This mechanism can significantly reduce the overall financial exposure for the superintendent's consultancy.

Does an indemnity clause override the statutory proportionate liability protections?

Queensland is presently the only Australian jurisdiction that expressly prohibits parties from contracting out of the proportionate liability regime under s 7(3) of the Civil Liability Act 2003 (Qld), so a clause that simply purports to exclude those provisions is unlikely to be effective to impose full joint and several liability on the certifier. However, a separately drafted indemnity may still operate contractually to shift loss back onto the superintendent, independently of the statutory apportionment. Whether it does depends on the specific drafting of the appointment agreement, which should be reviewed before signing.

Superintendent Slashed Your Progress Claim? BIF Act Adjudication vs Contract Dispute on a QLD Property Development

John Merlo
4 days ago
13 min read

Key Takeaways

Under Queensland law, a superintendent’s arbitrary deduction for alleged defects may not override your strict statutory rights to payment.
Section 200 of the Building Industry Fairness (Security of Payment) Act 2017 (Qld) ("BIF Act") typically voids contractual provisions that attempt to delay or contract out of the statutory payment cycle.
Choosing rapid adjudication over formal contractual dispute resolution can significantly accelerate cash flow, but strict statutory deadlines apply — generally 30 business days after you receive a payment schedule that shortchanges your claim.
Performing out-of-scope work without the correct QBCC licence class may severely limit your right to recover contract profits, leaving you reliant on narrow out-of-pocket defences.

https://youtu.be/g1nIXn1TxpM

The monthly progress certificate has just landed on your desk, and the numbers do not add up. The superintendent has slashed hundreds of thousands of dollars from your claim, relying on unsubstantiated defect set-offs to protect the developer's tightening cash flow. While the standard form contract dictates a drawn-out, multi-stage dispute resolution process, your subcontractors still need to be paid this week. This article breaks down your immediate options, focusing on how to navigate Queensland's statutory payment framework to challenge arbitrary certification and secure project capital when the superintendent fails to act impartially.

The Statutory Deadline Crossroads: Adjudication vs Contractual Dispute Resolution

At this stage, you are staring down a massive cash flow shortfall while the developer holds all the leverage under the standard form contract. Your priority is deciding whether to trigger a rapid statutory response or formally dispute the progress certificate through slow contractual channels. The deadline is ticking: under section 79 of the BIF Act you have a strict window to apply for adjudication — generally 30 business days after receiving a payment schedule that proposes to pay less than you claimed (or, where no payment schedule is given, 30 business days after the last day one could have been given and the amount fell due) — and choosing the wrong pathway can cost you months of tied-up capital.

Separating Statutory Payment Rights from Contractual Certification

When assessing payment rights under the BIF Act, it is critical to separate the contractual right (the superintendent's certification mechanism) from your distinct statutory rights. Standard form contracts dictate the procedural role of the superintendent, but they do not extinguish the parallel statutory framework created by the BIF Act.

Under Queensland law, a superintendent's progress certificate does not override a head contractor’s statutory right to claim payment via the BIF Act.

A superintendent's assessment is simply a contractual valuation, not the final word on what is legally owed. If the certification process breaks down or the superintendent acts without independence, the statutory mechanism remains available to secure interim payment.

The Cost of Relying on Formal Contractual Channels

Warning: Relying strictly on the contractual dispute resolution clause to resolve a superintendent certification dispute can severely delay payment and may leave you exposed to extended cash flow shortages. Following the standard contractual pathway typically involves mandatory negotiation, mediation, and eventually formal proceedings such as litigation or arbitration, and can take years to resolve. Because a superintendent's deduction may shift the immediate financial burden onto the head contractor, failing to secure an interim statutory determination is likely to negatively impact your ability to meet downstream subcontractor obligations.

Why Rapid Statutory Adjudication Often Wins

Expert insight: The BIF Act adjudication process is an interim mechanism built to keep cash moving in the industry. In practice, adjudicators are far less interested in the merits of the alleged defects than in whether the superintendent's reasons were actually contained in the payment schedule. If a deduction appears for the first time in the principal's adjudication response — with a fresh valuation, a new defects list, or an expert report that was never put to the contractor at certification — an adjudicator can decline to consider it, because a respondent is generally confined to the reasons stated in its payment schedule.

This is where superintendents who "slash first, justify later" tend to come unstuck: a line item reading "defective works – $180,000" with no measurement, no location, and no supporting basis gives the adjudicator very little to weigh against a properly substantiated claim. This confinement is expressly imposed by section 82 of the BIF Act, which prohibits a respondent from raising "new reasons" for withholding payment in its adjudication response and allows the adjudicator to require the response to be submitted without them.

The mistakes head contractors make under time pressure are usually self-inflicted rather than legal. Three recur most often:

Re-arguing the whole project. Filing a sprawling submission buries the two or three deductions actually in dispute. A tighter approach — dealing with each disputed line item in turn and pointing to the specific evidence that answers it — reads far better to an adjudicator working to a compressed statutory timeframe.
A defective payment claim at the front end. If the original claim did not adequately identify the construction work, or was served outside the reference date mechanism, the whole application can fall over on jurisdiction before the substance is ever reached.
Misreading the clock. Counting the section 79 window from the wrong trigger, or assuming a "without prejudice" email from the superintendent reset the timeframe. It did not — and once that window closes, the interim remedy is gone for that claim.

Bypassing the Superintendent: Forcing Payment Under the BIF Act

Queensland's statutory payment framework may void the developer's attempt to hide behind the superintendent's certification to block your progress claim. While you may feel commercially trapped, the law is on your side provided you execute the right procedural steps flawlessly and immediately. This section breaks down how to use the BIF Act's strict statutory payment provisions to bypass the superintendent and force interim payment.

The Fatal Consequence of a Missing Payment Schedule

Warning: Failing to adhere to the strict payment schedule requirements under section 77 of the BIF Act can be fatal to a principal's defence. If a principal (or their superintendent) fails to issue a valid payment schedule within the required statutory timeframes, section 77(1) & (2) of the BIF Act states that the respondent is liable to pay the amount claimed under the payment claim. Relying on this failure is likely to create an immediate statutory debt in your favour, which typically strips the principal of the ability to raise defect set-offs or counterclaims to resist payment in that specific adjudication cycle.

Voiding Contractual Delay Tactics Under Section 200

Many standard form contracts attempt to delay payment by stating that no funds are due until the superintendent formally certifies the claim. However, s 200 of the BIF Act expressly prohibits contracting out of the statutory payment cycle, providing that the BIF Act has effect despite any provision to the contrary in any contract, agreement or arrangement. This provision exists to override private commercial agreements that conflict with the legislation. Section 200 only bites when the principal actually tries to use the contract to stall you. If they do, it overrides those clauses for the purposes of the interim payment. While this statutory supremacy forces cash flow, its effectiveness is conditional under section 200, as it does not permanently extinguish the principal's underlying contractual rights to pursue the defect dispute in a final hearing.

The Subcontractor Flow-Down Trap: Section 74

A major reason head contractors must resolve a commercial dispute rapidly is the cascading cash flow exposure created by downstream subcontractor obligations.

Many head contractors mistakenly rely on flow-down clauses that attempt to delay subcontractor payments until the principal's funds clear. The intended function of these flow-down clauses is to protect the head contractor from financing the project out-of-pocket, but this protection may be limited by strict legislative prohibitions.

Under Queensland law, section 74 of the BIF Act voids any 'pay when paid' provision, meaning a head contractor must pay their subcontractors even if the principal defaults.

Because section 74 removes any right to withhold from your subcontractors, it does nothing to shield you from downstream liability — so you must actively manage the resulting cash flow squeeze. Consider these action steps:

Review all incoming subcontractor payment claims to confirm whether they meet strict BIF Act requirements before approving them for payment.
Issue compliant payment schedules to subcontractors within the mandated timeframes to legitimately capture any relevant set-offs or deductions.
Isolate the disputed funds upstream and aggressively pursue the principal through adjudication, as s 74 of the BIF Act dictates that you cannot legally withhold downstream payments on the basis of the superintendent's upstream deductions.

Licensing Gaps That Can Sabotage Your BIF Act Claim

Even the strongest case against the superintendent's deductions can be undone by a single administrative oversight — one that can defeat your entire payment claim before you file it. If you have stepped outside the scope of your specific licence class to perform the disputed work, the regulator and the adjudicator may view the claim as fundamentally flawed. This section details how licensing non-compliance interacts with your statutory payment rights and outlines the severe financial penalties for getting it wrong.

The Section 42 Bar on Unlicensed Work Recovery

A head contractor cannot lawfully perform or enter into a contract to perform building work in Queensland without holding the correct QBCC licence for that scope of work.

Under section 42 of the Queensland Building and Construction Commission Act 1991 (Qld) ("QBCC Act"), a person must not carry out, or undertake to carry out, building work unless the person holds a contractor's licence of the appropriate class under this Act. The consequence of breaching this regulatory enforcement mechanism is financially catastrophic: section 42(3) dictates that an unlicensed contractor is not entitled to any monetary or other consideration for doing so. When you rely on the BIF Act to force payment for out-of-scope work, the lack of an appropriate licence typically provides the principal with a complete jurisdictional defence to defeat the claim.

The Limited Defence of Reasonable Remuneration

Warning: While section 42(3) strips an unlicensed head contractor of their right to claim contract consideration or profit, the legislation contains a narrow evidentiary carve-out. Section 42(4) dictates that a person is not stopped from claiming reasonable remuneration, but only where the amount claimed satisfies four cumulative conditions: it must be no more than the amount paid in supplying materials and labour; it must exclude any allowance for the person's own labour, any profit, and any costs not reasonably incurred; it must be no more than any agreed or purported contract price; and it must not include any amount paid for the person's own direct or indirect benefit. Relying on this defence is likely to severely restrict your financial recovery, as it strictly limits you to actual, reasonably incurred out-of-pocket costs and explicitly excludes any profit margin or overhead allocation on the disputed work.

Furthermore, the decision in Krikowa v Greene [2023] QCAT 361 illustrates how rigidly these limits are applied: the onus of proving a section 42(4) claim rests squarely on the party carrying out the work, and a claim will fail where that party does not adduce evidence establishing each of the statutory conditions. Any attempt to recover full contractual entitlements for unlicensed work may therefore be met with dismissal and potential regulatory sanction.

Why Scope Creep Kills BIF Act Adjudication Strategies

Expert insight: Scope creep is a common trap that compromises adjudication strategies before they even begin. The scopes that most frequently trigger a section 42 problem are the specialist trades that sit alongside general building work and get absorbed into a head contract almost by accident — fire protection work, hydraulic and mechanical services, air-conditioning and refrigeration, electrical, and drainage. A head contractor holding an open builder licence can genuinely believe it is covered, right up until the principal's lawyers pull the licence register and cross-reference it against the trade breakdown in the contract sum. Fire protection is the standard example: passive and active fire systems each carry their own licensing requirements, and a builder who contracts directly for that scope rather than passing it through a correctly licensed subcontractor has exposed the value of that work to a section 42 challenge, regardless of how well the work was actually performed.

The practical defence is a mid-project licensing audit rather than a scramble once a dispute lands. Take the priced scope of works, break it down trade by trade, and match each item against the licence class actually required for that work and the entity that is contractually performing it. The two failure points to look for are direct contracting for a specialist scope the head contractor is not licensed to carry out, and subcontractors whose licences have lapsed, been suspended, or never covered the scope in the first place — because if the licensed subcontractor falls away, the work can revert to being carried out under the head contractor's insufficient licence.

Variations and directed extras deserve particular attention, since scope tends to creep through the variation register long after the original contract was signed and licences were last checked. Fixing a gap early — by re-papering the scope through a properly licensed entity — is a far cheaper exercise than discovering the problem when the principal raises it as a jurisdictional bar to an adjudication that would otherwise have succeeded.

Securing Property Development Cash Flow When Certification Fails

With the superintendent's arbitrary deduction threatening to choke your project cash flow and the clock ticking on your statutory response window, you need to execute a decisive legal strategy to regain control. Understanding your substantive rights is only half the battle; knowing the exact procedural levers to pull, and when to pull them, is what separates a funded project from an insolvent one. This section provides the actionable blueprint for preparing a robust challenge and leveraging external authorities to enforce your payment rights.

Preparing the Perfect Adjudication Application

The success of your statutory claim hinges on strict compliance with the procedural mechanisms outlined in the QBCC Adjudication Registry Guide. To maximize your chances of a favourable interim determination, focus on these critical elements when structuring your application:

Ensure your original progress claim strictly complied with all BIF Act requirements, including clearly identifying the construction work and stating the claimed amount.
Clearly map the superintendent's stated reasons for withholding payment against the required statutory framework, demonstrating where their deductions lack contractual or factual foundation.
Collate comprehensive supporting evidence—such as site diaries, subcontractor invoices, and independent expert reports on defect allegations—to substantiate the full value of your work.
File the application within the strict section 79 window — generally 30 business days after receiving a payment schedule that pays less than you claimed, or 30 business days after the last day a payment schedule could have been given where none was provided.

When to Escalate to QCAT or the Supreme Court

While adjudication provides rapid interim cash flow, it does not extinguish the underlying contractual dispute.

Under Queensland law, an adjudication decision is an interim determination that does not prevent a principal from pursuing final resolution through a formal building dispute resolution Queensland pathway.

If the superintendent's deductions involve complex legal arguments, substantial latent defect allegations, or quantum that far exceeds the scope of a standard adjudication, you may need to escalate the matter. Filing a formal claim in QCAT (for matters within its jurisdictional limit) or the Supreme Court (for larger commercial disputes) is typically required to achieve a final, binding resolution on the substantive defect issues and to permanently clear the contractual ledger.

Leveraging Pre-Emptive Legal Advice

Warning: Navigating a complex certification dispute without targeted construction law advice can expose you to serious financial risk. Relying on generic commercial assumptions or misreading the strict BIF Act timeframes can cause a fatal procedural error that locks you out of the statutory payment regime entirely. Because the interaction between contractual certification and statutory rights is full of technical pitfalls, engaging a construction lawyer early is often the difference between securing an interim payment and facing prolonged insolvency pressure.

If a slashed progress certificate has just landed, the clock has already started. Have your payment schedule and reference date reviewed now — before your section 79 adjudication window closes. Merlo Law can assess your position and prepare your adjudication application with you: contact us for a consultation today.

Conclusion

The moment the superintendent's drastically reduced progress certificate arrives on your desk, the pressure to fund downstream subcontractors falls squarely on your shoulders. However, as this guide demonstrates, an arbitrary deduction designed to protect a developer's tightening cash flow does not mean you are out of options or bound to wait out a protracted legal battle.

You now know that Queensland’s statutory payment framework operates independently of standard form contract certification processes. By leveraging the strict deadlines of the BIF Act and ensuring your claimed work is backed by the correct QBCC licence class, you can bypass contractual delay tactics and pursue a binding interim payment determination. While standard contracts seek to dictate the pace of dispute resolution, statutory supremacy offers a rapid alternative when certification fails.

Do not wait for the developer to initiate a formal dispute over the alleged defects. Your next step is to audit the superintendent's payment schedule against the strict section 79 adjudication window — generally 30 business days from the date you received it — collate your site evidence, and prepare a robust BIF Act adjudication application to unblock your project capital — or have Merlo Law do it with you before the window closes.

FAQs

Does a superintendent’s progress certificate override my statutory right to payment in Queensland?

No, a superintendent's progress certificate does not override your statutory right to claim payment via the Building Industry Fairness (Security of Payment) Act 2017 (Qld). The statutory adjudication framework provides a parallel mechanism that allows head contractors to seek interim payment regardless of a superintendent's contractual assessment. This mechanism is designed to keep cash flowing across the industry even when formal certification disputes arise.

What happens if the principal fails to issue a payment schedule within the required Queensland timeframe?

If a principal fails to provide a payment schedule within the strictest applicable timeframe, section 77 of the BIF Act states they are liable to pay the full amount claimed. Relying on this failure typically creates a statutory debt that can be enforced rapidly. This failure often prevents the principal from raising defect set-offs in an adjudication for that specific progress claim.

Can a contract clause legally delay my BIF Act payment claim until a dispute is resolved?

Generally, no. Section 200 of the BIF Act expressly voids contractual provisions that attempt to delay or contract out of the statutory payment cycle. While this statutory supremacy can be relied on to force interim cash flow, it does not permanently extinguish the principal's underlying contractual rights to pursue defect claims in a final court hearing.

Are "pay when paid" clauses enforceable against head contractors in Queensland?

Under section 74 of the Queensland BIF Act, "pay when paid" clauses have no legal effect for construction contracts. A head contractor must pay their subcontractors even if the principal defaults on upstream payments. Attempting to rely on these voided flow-down clauses may expose head contractors to severe regulatory and financial risks.

Can I claim payment for construction work if I do not hold the correct QBCC licence class?

Performing out-of-scope work without the correct QBCC licence class typically acts as a complete bar to recovering contractual consideration or profit under section 42 of the QBCC Act. While section 42(4) offers a narrow exception for claiming reasonable remuneration, it is subject to four cumulative conditions and, in practice, tribunals strictly limit recovery to reasonably incurred out-of-pocket material and labour costs, with no allowance for the contractor's own labour, profit or overhead. Operating outside your defined licence scope may severely jeopardise your entire payment cycle.

How long do I have to apply for BIF Act adjudication if I disagree with the superintendent's deduction?

In Queensland, section 79 of the BIF Act generally gives a head contractor a strict 30-business-day window to apply for adjudication after receiving a payment schedule that proposes to pay less than the claimed amount. Different periods apply to other pathways — for example, 20 business days where a payment schedule was given but the scheduled amount was not paid by the due date. Missing the applicable statutory deadline may lock you out of the interim payment regime for that specific progress claim, so head contractors must act immediately upon receiving an unsatisfactory assessment. (Note the separate 15-business-day period in section 76 is the time within which the respondent must give its payment schedule — it is not the deadline to apply for adjudication.)

This guide is for informational purposes only and does not constitute legal advice. For advice tailored to your specific circumstances, please contact Merlo Law