Progress Claim Terms in New Zealand: What Contractors and Principals Should Check

Progress claims can keep a project moving, or turn into a cash flow fight halfway through the job. For contractors, the main problems usually start when the payment schedule is vague, supporting documents are missing, or the contract says one thing while the Construction Contracts Act process says another. For principals, common mistakes include signing broad payment clauses without clear milestones, withholding payment without following the notice rules, and relying on handshake variations that never make it into the contract.

If you are about to sign a building, civil, fit-out, maintenance or subcontracting agreement in New Zealand, the progress claim wording matters more than many businesses expect. The payment timetable affects cash flow, leverage, dispute risk and project timing. This guide explains what progress claim terms mean in practice, what contractors and principals should check before they sign, where businesses often get caught out, and how to reduce payment disputes before work begins.

Overview

Progress claim terms decide when payment can be claimed, how much can be claimed, what information must be included, and how the other side must respond. In New Zealand, these clauses sit alongside the Construction Contracts Act 2002, so your contract wording should work with the statutory payment claim and payment schedule framework, not against it.

• when a progress claim can be made, including dates, milestones or stages of work
• what must be included in the claim, such as breakdowns, evidence of work completed and statutory wording where relevant
• how the principal must respond, including timeframes for issuing a payment schedule
• whether retention money, set-off, back charges and deductions are clearly defined
• how variations, defects, practical completion and final payment affect interim claims
• whether suspension rights, dispute steps and enforcement options are dealt with properly
• who approves the work, how approval is measured, and what happens if approval is delayed
• whether the contract uses standard form terms that have been amended in a way that shifts payment risk unfairly

What Progress Claim Terms in What Contractors and Principals Should Check Means For New Zealand Businesses

At a practical level, progress claim terms are the rules for getting paid during the life of the job, not just at the end. They matter because most construction and trade businesses carry labour, materials and subcontractor costs long before the project is fully complete.

In New Zealand, payment rights for construction work are heavily shaped by the Construction Contracts Act 2002. That Act sets out a framework for payment claims, payment schedules, adjudication and, in some cases, suspension for non-payment. A well-drafted contract should reflect that framework clearly. A badly drafted one often causes confusion about whether a claim is valid, when a response is due, and what amount must be paid.

For contractors, a progress claim clause is mainly about preserving steady cash flow and reducing arguments over whether work has reached a payment stage. For principals, the same clause is about making sure they only pay for work properly performed, with enough detail to assess what is being claimed.

That tension is normal. The goal is not to eliminate it, but to set the rules early so neither side is guessing when the first invoice goes out.

Why these clauses matter so much

The first issue is cash flow. A contractor may need to cover wages, plant hire, consultants and suppliers every week. If the contract pushes claims too far apart, or allows payment only after broad subjective approval, the contractor can end up funding the project.

The second issue is administration. Many payment disputes are not really about defective work. They arise because the claim did not include the required detail, the principal did not issue a valid payment schedule on time, or a variation was agreed on site but never priced properly.

The third issue is leverage. Once a project is underway, the side with stronger payment wording usually has the upper hand. Before you sign, that leverage is still negotiable.

Who should pay close attention

These clauses are especially important for:

• head contractors engaging subcontractors
• developers and property owners acting as principals
• civil works businesses on staged infrastructure jobs
• fit-out and maintenance contractors doing recurring milestone-based work
• specialist trades where materials are ordered upfront
• SMEs using heavily amended standard form contracts from larger customers

If you are accepting the other side's standard terms, this is one of the first sections to review. Standard contracts often look familiar, but even small amendments to payment clauses can shift real risk.

What counts as a progress claim in practice

A progress claim usually covers work completed up to a stated date or stage. The contract may allow claims:

• monthly on a set day
• when a milestone is achieved
• by reference to a schedule of values
• after practical completion of a defined stage
• for materials stored off-site or on-site, if the contract allows that

The contract should also say whether claims can include approved variations, unfixed materials, dayworks, provisional sums, retention releases and any GST treatment. Your accountant can advise on tax treatment, but the legal point is that the payment mechanism should be internally consistent.

Legal Issues To Check Before You Sign

The main legal question is simple: can both sides tell exactly when money may be claimed, how it must be assessed, and what happens if there is a dispute? If the answer is no, the clause needs work before you sign.

1. Trigger for each claim

The contract should state clearly when the right to make a claim arises. Ambiguous triggers are one of the biggest sources of argument.

Look for wording that answers:

• is the claim monthly, milestone-based, or both
• what is the cut-off date for work included in the claim
• does the contractor need certification or superintendent approval first
• what happens if the certifier does not respond on time
• can claims be made for materials ordered, delivered, stored, or only installed

For contractors, a broad approval condition can be risky if payment depends on someone else's discretion. For principals, a vague milestone can mean being asked to pay before the relevant stage is genuinely complete.

2. Form and content of the claim

A claim should not leave the other side guessing. In New Zealand construction contracts, formal requirements can matter a lot, especially if the contractor may later rely on statutory rights.

Check whether the contract requires:

• a breakdown by trade, stage or line item
• supporting timesheets, photos, delivery dockets or measurement records
• separate identification of variations
• evidence for materials on site or off-site
• specific wording to make the claim valid under the Construction Contracts Act, where relevant

Contractors should avoid under-documenting claims. Principals should avoid adding so many technical preconditions that the payment process becomes unworkable and creates its own dispute.

3. Payment schedule rules and timing

If the principal disputes any part of the amount claimed, the contract should align with the requirement to issue a payment schedule within the applicable timeframe. Missing that deadline can have serious consequences.

Before you sign, make sure the contract is clear on:

• how long the principal has to respond
• what the payment schedule must say
• what amount is admitted for payment if part of the claim is disputed
• when payment is due after the claim or schedule
• whether the contract tries to shorten or complicate the statutory process

For principals, silence is risky. For contractors, assuming any email objection counts as a valid payment schedule can also be risky.

4. Set-off, deductions and back charges

The contract should deal with deductions in precise terms. This is where founders often get caught, especially when a principal tries to deduct alleged defects, delay costs or third-party charges from an interim payment.

Check whether the contract allows deductions for:

• defective work
• incomplete work
• liquidated damages or delay claims
• clean-up, rectification or attendance costs
• contra charges for damage or rework caused by subcontractors

Contractors should push for deductions to be limited to amounts properly notified and reasonably particularised. Principals should make sure deduction rights are drafted clearly enough to be enforceable.

5. Variations and dayworks

Progress claims often go wrong because the work changed, but the paperwork did not. A variation clause should connect neatly with the payment clause.

Before you sign, confirm:

• who can instruct a variation
• whether verbal site instructions count, and if so, when they must be confirmed in writing
• how variations are priced
• whether disputed variations can still be included in interim claims
• how dayworks records must be signed off

If the contract says no variation is payable unless approved in writing, site staff need to know that. Otherwise the contractor may perform extra work and struggle to recover the cost later.

6. Retentions and security

Retention clauses affect how much cash is actually received, even when a claim is otherwise accepted. The contract should say how retention is calculated, when it is released, and what events trigger release.

Check:

• the retention percentage and cap
• whether separate trust or holding requirements apply
• the split between practical completion release and final release
• what defects liability conditions apply
• whether other security, such as bonds or guarantees, interacts with payment rights

Principals should avoid unclear overlap between retentions and broad deduction rights. Contractors should calculate the real cash impact before accepting the clause.

7. Certification, approval and deemed approval

If a contract requires an architect, engineer, contract administrator or principal's representative to certify payment, the process needs deadlines. Without them, a claim can sit in limbo.

Useful drafting often covers:

• when certification must occur
• what documents the certifier may require
• whether part certification is allowed
• what happens if the certifier does nothing
• whether deemed approval applies after a stated period

Contractors usually want a backstop if certification is delayed. Principals usually want enough time to inspect and assess work. Both aims can sit in the same clause if the timing is clear.

8. Suspension, adjudication and dispute steps

Payment clauses should not stop at invoicing. They should also deal with what happens if payment is late or disputed.

Look at:

• whether the contract reflects statutory rights to adjudication
• whether suspension for non-payment is addressed properly
• whether notice requirements for suspension are workable
• whether the dispute process delays payment unfairly
• whether the contract tries to make the final certificate conclusive too early

A dispute clause that looks tidy can still be a problem if it forces every payment disagreement into a slow expert process while the contractor carries the cost.

9. Final payment and reconciliation

Interim claims are only part of the story. The contract should also explain how the final account is prepared and what claims survive final payment.

Check whether the contract deals with:

• deadlines for submitting the final claim
• whether unclaimed variations are deemed waived
• how defects, omissions and outstanding items are valued
• release of remaining retention
• whether final payment limits later claims

This matters before you sign because some contracts quietly cut off entitlements if the contractor misses a strict final account deadline.

Common Mistakes With Progress Claim Terms in What Contractors and Principals Should Check

The most common mistake is treating the payment clause like boilerplate. On a live project, small drafting gaps turn into delayed cash flow, strained relationships and expensive disputes.

Contractor mistakes

Many contractors accept broad standard terms from a larger customer without checking how hard it will actually be to get paid. The risky signs include vague milestones, long payment cycles, and claim requirements that depend on multiple layers of approval.

Another common error is poor contract administration after signing. A strong clause still fails in practice if your team does not follow it.

Contractors often get caught by:

• submitting claims late or in the wrong format
• failing to separate base work from variations
• relying on verbal approvals from site staff without written confirmation
• assuming stored materials can be claimed when the contract does not allow it
• ignoring notice requirements before suspending work
• not checking whether a payment schedule is valid before taking the next step

A practical example is a subcontractor who finishes an extra scope requested on site, includes it in the next claim, and then hears that the variation was never formally approved. The legal issue is not just whether the work was done. It is whether the contract makes that work claimable at that point.

Principal mistakes

Principals often focus on price and delivery dates, then overlook the discipline required once a claim arrives. A missed deadline can narrow their options quickly.

Common principal mistakes include:

• withholding payment informally without issuing a proper payment schedule
• using broad dissatisfaction as a reason not to pay an otherwise valid claim
• making set-offs that are not clearly supported by the contract
• failing to keep records of defects, delays or incomplete work
• amending standard form contracts heavily, then administering them as if the original form still applies

Another frequent issue is mismatch between the project team and the contract. The person on site may approve work casually, but the contract may require approval from someone else. That disconnect creates avoidable disputes.

Shared mistakes on both sides

Some problems come from both parties. These usually show up when the project moves faster than the paperwork.

• the contract scope is not detailed enough to measure progress properly
• the schedule of values does not match the actual sequence of work
• variations are priced long after the work is done
• retention, defects and practical completion concepts are used inconsistently
• emails, purchase orders and the signed contract say different things about payment timing

If several documents govern the job, make sure there is a clear order of precedence. Otherwise each side may point to a different document when a payment issue comes up.

How to reduce the risk before work starts

The best time to fix payment risk is before you sign, not after the first unpaid claim. A short contract review can often identify whether the contract is workable in real life.

From a business perspective, it also helps to align your internal process with the contract. That may include:

• assigning one person to issue and track claims
• setting internal reminders for payment schedule deadlines
• using claim templates that mirror the contract requirements
• training project managers on variation approval rules
• keeping daily records that support milestone completion and dayworks

Good administration does not replace legal drafting, but it makes a well-drafted clause much more effective.

FAQs

Do progress claim terms need to follow the Construction Contracts Act 2002?

They should be drafted with the Act in mind if the contract involves construction work covered by it. A contract cannot safely ignore the statutory payment claim and payment schedule framework, even if it also sets its own detailed payment process.

Can a principal refuse to pay because the work is disputed?

A principal may dispute a claim, but usually needs to do so properly and on time, including through a valid payment schedule where required. An informal objection or delayed response may not protect the principal's position.

Can contractors claim for variations that were only approved verbally?

Sometimes they can, but it depends on the contract wording and the evidence. If the contract requires written approval, verbal instructions create obvious risk, so they should be confirmed in writing as soon as possible.

Should the contract allow claims for materials not yet installed?

That depends on the project and bargaining position. If large material costs are incurred early, contractors often want claims to include stored materials, while principals usually want conditions around ownership, insurance obligations, identification and proof of delivery.

What is the difference between a progress claim and a final claim?

A progress claim seeks interim payment during the job. A final claim reconciles the whole account at the end, including outstanding variations, defects adjustments, retention release and any final balance due.

Key Takeaways

• Progress claim terms set the practical rules for cash flow during a project, so they should be reviewed carefully before you sign.
• In New Zealand construction contracts, payment wording should work with the Construction Contracts Act 2002, especially around payment claims, payment schedules and disputes.
• Both contractors and principals should check claim triggers, required documents, payment timing, deduction rights, variation rules, retentions and certification processes.
• Many payment disputes come from poor drafting or poor administration, not just disagreement about the quality of work.
• Standard form contracts often contain amendments that shift payment risk, so do not assume familiar wording is harmless.
• Clear internal processes, written approvals and consistent records can make a major difference if a payment issue arises.

If you want help with payment clauses, variation provisions, retention terms, dispute process drafting, or contract drafting, you can reach us on 0800 002 184 or team@sprintlaw.co.nz for a free, no-obligations chat.