Can You Defeat a Council Nil Payment Schedule in QLD Adjudication?
- John Merlo

- 7 hours ago
- 12 min read
Key Takeaways
A nil payment schedule relying on vague defective work set-offs may fail to satisfy the strict jurisdictional requirements of the Building Industry Fairness (Security of Payment) Act 2017 (BIF Act).
You cannot contract out of the BIF Act; bespoke council clauses attempting to restrict your adjudication rights are likely void under section 200.
Adjudication applications must be lodged within strict statutory timeframes, which can be complicated by the Christmas shutdown period.
While adjudicator decisions are generally binding, they can occasionally be challenged in the Supreme Court for jurisdictional error.
You've just opened an email from the council's superintendent containing a payment schedule for your latest pump station progress claim. The bottom line reads zero dollars. Instead of the expected cash flow, you are staring at a list of alleged pipeline defects and liquidated damages for delays you didn't cause. The clock is already ticking on your right to apply for adjudication, and with subcontractors demanding payment downstream, you cannot afford to forfeit this claim. This article explains how Queensland water infrastructure contractors can challenge invalid set-offs and recover funds through statutory adjudication.
Assessing the Nil Payment Schedule and Critical Deadlines
At this stage, the immediate priority is locking down your response window before the statutory clock runs out. You need to know whether the council's zero-dollar response is legally valid and exactly how many days you have to file an adjudication application.
Identifying a Valid Payment Schedule Under Section 69
A nil response can still be legally valid if it meets the statutory criteria.
Under Queensland law, a payment schedule is a written document that identifies the payment claim to which it responds, states the amount of the payment, if any, that the respondent proposes to make, and includes any other information prescribed by regulation.
This definition is set out in section 69 of the BIF Act, which governs the statutory requirements for a valid payment schedule in Queensland. If the council's document clearly references your pump station claim and explicitly states they propose to pay zero dollars, it constitutes a payment schedule. This is what opens the door to adjudication.
The Statutory vs Contractual Timeframe Trap
Warning: Do not confuse the time the principal has under the contract to assess a claim with the strict statutory deadline to issue a payment schedule. A bespoke council contract often contains superintendent assessment clauses that attempt to extend the response period, but these contractual mechanisms operate separately from the statutory liability framework. Under section 76 of the BIF Act, the payment schedule must be given within whichever period ends first: the period allowed under the contract, or 15 business days after the payment claim is given. If the council fails to provide a valid payment schedule within that statutory timeframe, they may become liable for the full claimed amount, regardless of what the contract says.
Calculating Your Adjudication Application Window
The starting point for the adjudication time limit is the day after you receive a nil payment schedule, not the day of receipt itself. Because time runs "after" the schedule is given, the day of receipt is excluded and counting begins on the next business day. As a nil schedule states an amount less than your claim, you then have 30 business days to lodge an adjudication application. A different timeframe applies in other scenarios: where a schedule was given but the respondent simply failed to pay the scheduled amount, the window is instead 20 business days from the due date for the progress payment. Calculating this window requires careful attention to the statutory definition of a business day. Under the BIF Act, a business day excludes weekends, public holidays, and every day in the continuous period from 22 December to 10 January (inclusive) — the Christmas shutdown. Missing this deadline extinguishes your right to adjudicate that specific payment claim.
Dismantling the Council's Defective Works Set-Off
When a principal attempts to wipe out your progress claim, they often rely on sweeping allegations of defective works or unsubstantiated back-charges. However, the statutory liability framework of the BIF Act requires respondents to properly detail their reasons for withholding payment. This section explains how to attack vague set-offs and leverage the legislation to protect your payment rights.
Why Vague Back-Charges Often Fail Jurisdictional Tests
Under Queensland security of payment laws, a respondent relying on a set-off for defective works must adequately detail and quantify those reasons in their payment schedule.
A payment schedule must provide sufficient detail for the claimant to understand exactly why payment is being withheld. This requirement flows from section 69(c) of the BIF Act, which provides that where the amount proposed to be paid is less than the claimed amount, the schedule must state why it is less, including the respondent's reasons for withholding any payment.
If a council issues a response containing vague allegations of pump station defects without proper quantification or contractual basis, you can point to that lack of detail as proof the schedule is deficient. When you expose vague back-charges in a security of payments adjudication, the adjudicator is likely to find that the respondent has failed to justify the set-off. Consequently, where a response to a payment claim water infrastructure is poorly detailed, an adjudicator is likely to disregard the council's deductions entirely.
The "No Contracting Out" Rule Under Section 200
Principals cannot use contract clauses to bypass the BIF Act. Parties cannot contract out of the BIF Act, and any contractual clause attempting to modify, restrict, or exclude security of payment rights is legally void.
This protection is enshrined in section 200 of the BIF Act, which serves as the direct anti-avoidance provision — the rule that stops a principal from drafting its way around your payment rights. While local governments often draft bespoke clauses intended to restrict your ability to claim or adjudicate, the enforceability of this clause depends on its compliance with the statute. Specifically, this protection is limited by section 200, which renders such provisions void to the extent they conflict with the Act. If you are facing aggressive contractual pushback, consulting Queensland building and construction lawyers can help clarify which council clauses are legally unenforceable.
Strategic Focus: Procedural Knockouts Over Technical Defect Arguments
Expert insight: The instinct when a council alleges defective pipework is to bury the adjudicator in evidence—drone footage, weld inspection reports, a folder of site photos with no index. In practice this rarely wins, and it often hurts you. An adjudicator working to a compressed timeframe cannot forensically resolve whether a coating thickness reading was out of spec, and if you force them to try, you hand them room to prefer the council's version.
The cleaner attack is upstream. If the payment schedule says "defective works — $180,000" with no breakdown of which lengths of main, which defects, or how the figure was calculated, you challenge the schedule's adequacy rather than the underlying engineering. The adjudicator does not need to decide whether your welds passed; they only need to decide whether the council told you, in the schedule, why it was withholding.
A practical tell: when a council's set-off figure is a round number that happens to equal your claim to the dollar, that is usually a construction, not an assessment. Point that out. A set-off reverse-engineered to produce a nil result is exactly the kind of unquantified reason an adjudicator is inclined to disregard.
Where you do rely on technical evidence, use it narrowly—to show the council's stated reason is unsupported on its own terms, not to run a full defects trial. Lead with the procedural gap and keep the engineering in reserve. If the dispute genuinely turns on contested technical evidence or bespoke contract interpretation, it is prudent to get legal advice on how far to push the merits versus the schedule's deficiency.
Navigating Bespoke Council Contract Clauses in Adjudication
Local government contracts for water infrastructure are notoriously heavy on bespoke amendments designed to shift risk onto the contractor. When a dispute escalates to adjudication, the council will inevitably point to these clauses to justify their nil payment schedule. This section outlines how statutory adjudication interacts with superintendent assessments and liquidated damages provisions, providing clarity on your contractual exposure pathway.
Superintendent Assessment Clauses vs BIF Act Rights
A document meeting the criteria of section 68 of the BIF Act enlivens the statutory payment process, even if it bypasses a contractual superintendent assessment mechanism.
A valid payment claim under the BIF Act must be in writing, identify the relevant construction work, state the claimed amount, expressly request payment, and include any other information prescribed by regulation. This definition, found in section 68 of the BIF Act, establishes the statutory liability trigger. Bespoke council contracts often require a superintendent to assess and certify a claim before it can be submitted.
Following reforms made by the Building Industry Fairness (Security of Payment) and Other Legislation Amendment Act 2020, a document that complies with the statutory requirements can trigger the statutory timeline in its own right, regardless of whether the superintendent has completed their contractual certification process. In practical terms, this means you do not have to wait for the superintendent's certificate before your statutory clock starts and your right to be paid crystallises. A compliant claim stands on its own.
Liquidated Damages Offsets in Pump Station Claims
Example: A water infrastructure contractor submits a progress claim for the practical completion of a pump station. The council responds with a nil payment schedule, offsetting the entire amount by applying liquidated damages for a four-week delay. The contractor argues that the delay was caused by the council's failure to provide timely design approvals. What decides this argument is contemporaneous evidence: the dated design-approval requests, the council's late responses, and any delay notices served at the time. In an adjudication against council Queensland, the contractor can rely on that record to challenge the liquidated damages. If the adjudicator determines that the principal caused the delay, they may find that the liquidated damages set-off is invalid, which is likely to result in a determination requiring the council to pay the claimed amount.
The Prohibition on New Reasons in Adjudication Responses
Respondents cannot include new reasons for withholding payment in their adjudication response if those reasons were not originally included in their payment schedule. This rule exists to prevent ambush tactics during dispute resolution. If a council attempts to introduce fresh allegations of defective works or new contractual breaches that were absent from their initial nil payment schedule, the adjudicator is statutorily required to ignore those new reasons when making their determination.
Executing the Adjudication Application and Enforcing the Outcome
Preparing the adjudication application is where the battle is won or lost, requiring a precise assembly of legal arguments, contract references, and factual evidence. Once the application is lodged, the process moves rapidly toward a binding determination. This section details how to structure your submissions for complex civil disputes and what to expect from the final decision.
Structuring Your Adjudication Submissions for Civil Disputes
Expert insight: The applications that fail are usually the ones that read like a re-sent invoice. The contractor attaches the payment claim, attaches the payment schedule, and expects the adjudicator to connect the dots. That is not the adjudicator's job, and on a tight timetable they will not do it for you.
Structure the application as a direct answer to the schedule. Take each reason the council gave for withholding, set it out, and immediately below it put your rebuttal with the specific contract clause and the specific claimed item it relates to. If the council raised liquidated damages, your response points to the design-approval delays and the notices you served at the time—not a general narrative about a difficult job.
The most common self-inflicted wound is the mismatch between the money claimed in the application and the money in the original payment claim. If your schedule of works in the application does not tie back line-for-line to the claim, you invite an argument that you are advancing a different claim, and you weaken the whole application. Reconcile the figures before you lodge, and show the reconciliation.
Keep the annexures navigable. An indexed bundle where every contract reference and every piece of evidence is cross-referenced to the argument it supports does more work than volume ever will. Following the QBCC Adjudication Guidelines helps with format, but the persuasive work is the mapping. Where the dispute involves complex engineering evidence or heavily amended council conditions, it is prudent to get legal advice to ensure the submissions are robust enough to withstand scrutiny.
The 30 to 40 Day Timeline to a Binding Decision
For a standard payment claim, the typical timeframe from the initiation of an adjudication application to receiving a binding decision is around 30 to 40 days. This can extend for a complex payment claim, where the respondent has longer to respond and may apply for an extension of up to 15 additional business days. This speed is a hallmark of the security of payment framework, designed to keep cash flowing down the contracting chain while a dispute is resolved. Consistent with the policy behind security of payment legislation, this expedited process is intended to provide a swift interim resolution, allowing contractors to recover funds without enduring years of litigation.
Jurisdictional Error: The Limited Avenues for Council Appeals
While appeals on the factual merits of an adjudicator's decision are heavily restricted, decisions can occasionally be quashed by the Supreme Court for jurisdictional error or a denial of natural justice. This means that if a council is dissatisfied with the outcome, it cannot simply appeal to the Queensland Civil and Administrative Tribunal because it disagrees with the valuation of the pump station works. However, if the adjudicator failed to consider a validly raised contractual defence or exceeded their statutory authority, the Supreme Court may intervene. Consequently, while an adjudication determination is typically binding and enforceable as a judgment debt, contractors must be aware that a poorly structured application may increase the likelihood of a successful jurisdictional challenge by the principal.
Conclusion
That zero-dollar payment schedule sitting in your inbox does not have to be the final word on your pump station progress claim. While the council’s superintendent may lean on broad, unquantified defect claims and heavily amended contract clauses to justify withholding your funds, the BIF Act gives you a genuine path to recover what you are owed. The clock that started ticking the moment you received that email is strict, but it also forces a rapid resolution if you know how to navigate the procedural requirements.
You now know that a nil payment schedule relying on vague back-charges can often be challenged on jurisdictional grounds, and that local governments cannot simply contract out of the BIF Act to avoid their payment obligations. You also understand that where a council issues a nil payment schedule, the 30-business-day window to lodge an adjudication application runs from the day you receive that schedule and operates independently of any contractual superintendent assessment period.
Instead of accepting the financial hit or engaging in months of fruitless correspondence, act now. Collate the payment schedule, your original payment claim, and the specific contract clauses the council is relying on. The sooner these are reviewed against the BIF Act, the more room you have to build a clean, well-mapped application before your window closes.
Because your 30-business-day deadline will not wait, the safest move is to have the schedule assessed early. Contact Merlo Law today for a review of your nil payment schedule and a clear read on your prospects in adjudication — before the statutory clock runs out.
FAQs
What makes a payment schedule valid under Queensland law?
Under section 69 of the BIF Act, a valid payment schedule must be in writing, explicitly identify the corresponding payment claim, state the proposed payment amount, and include any other information prescribed by regulation. Even if a council proposes to pay zero dollars, the document can constitute a valid schedule if it meets these criteria. Receiving this document triggers your strict statutory timeframe to apply for adjudication.
Can a council contract out of the BIF Act timeframes?
No, parties cannot contract out of the BIF Act in Queensland. Section 200 renders any contractual clause void to the extent that it attempts to modify, restrict, or exclude your security of payment rights. This means bespoke superintendent assessment clauses typically cannot override your statutory right to proceed to adjudication.
What happens if a payment schedule relies on vague defective work allegations?
A payment schedule relying on vague defective work allegations may fail to satisfy the jurisdictional requirements of the BIF Act. Respondents must adequately detail and quantify their reasons for withholding payment. If they fail to do so, an adjudicator is likely to disregard those set-offs during the determination process.
How long do I have to apply for adjudication after receiving a nil payment schedule?
You typically have 30 business days from receiving a payment schedule that states less than the amount you claimed to lodge an adjudication application in Queensland. This is a strict statutory timeframe. You must also account for the Christmas shutdown period, which alters the definition of a business day under the Act by excluding weekends, public holidays, and the date ranges of 22 to 24 December, 27 to 31 December, and 2 to 10 January, and may impact your filing window.
Can a respondent add new reasons for withholding payment during adjudication?
No, a respondent generally cannot include new reasons for withholding payment in their adjudication response if those reasons were not originally stated in their payment schedule. This procedural restriction is designed to prevent ambush tactics. An adjudicator is statutorily required to ignore any fresh allegations introduced at the response stage.
Is an adjudicator's decision final and binding in Queensland?
An adjudicator's decision is generally binding and enforceable as a judgment debt, but it can occasionally be challenged. While appeals on the factual merits are heavily restricted, the Supreme Court may quash a decision for jurisdictional error or a denial of natural justice. Therefore, a poorly structured application may increase the likelihood of a successful challenge by the principal.
This guide is for informational purposes only and does not constitute legal advice. For advice tailored to your specific circumstances, please contact Merlo Law








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