Split the invoice before the dispute swallows it

Do not let one complaint freeze the whole job

When a builder points to one cracked tile, one late docket or one disputed variation and uses it to hold back the whole invoice, the real problem is cash flow. The work that is not in dispute should not sit there waiting for the arguable item to be sorted out. Separate the money first, then deal with the complaint.

Business.gov.au says construction contracts are affected by security of payment laws in every state and territory, and those laws provide timeframes and a process for progress claims and payment disputes. That matters because a dispute over one item does not automatically erase the rest of the amount that is already accepted or plainly due. ([business.gov.au](https://business.gov.au/planning/industry-information/construction-industry?utm_source=openai))

Put the split in writing

Before you chase the account again, rewrite the invoice as two figures: the undisputed amount and the amount being argued about. Show how you reached each figure, and attach the records that support it, such as the contract, photos, approvals, dockets and emails. Keep the tone calm. You are not giving up the dispute.

A written split changes the conversation. Instead of arguing over one blurred invoice, you are asking the debtor to deal with two separate amounts. That makes it easier to see what can be paid now and what still needs a proper response. It also protects your own record if the matter later turns formal. ([business.gov.au](https://business.gov.au/finance/financial-trouble/what-to-do-when-you-havent-been-paid?utm_source=openai))

Source: Official guidance

Ask for the clean amount now

Your next message should demand payment of the undisputed amount immediately. State clearly what is accepted, what is contested and what is due now. If the other side wants to argue about the complaint, that can happen on a separate track. The point is to stop one small issue from freezing the whole account.

If the debtor is a company, section 459E of the Corporations Act allows a statutory demand for a debt that is due and payable and at least the statutory minimum. The company must then pay, secure or compound for the amount within 21 days after service. That remedy is for the clean debt, so the figure must be narrow and accurate. ([legislation.gov.au](https://www.legislation.gov.au/C2004A00818/2024-01-01/2024-01-01/text/original/pdf/2?utm_source=openai))

Keep the disputed part on its own path

Do not mix the disputed item back into the recovery of the undisputed amount. If your contract and jurisdiction allow a payment claim or similar security of payment step, use it for the clear balance. For the disputed work, invite a written explanation and set a short process for review, rather than letting it stall the whole invoice.

That approach keeps your leverage intact. It also stops the debtor from claiming that everything is uncertain when only one part is. If the complaint is real, it can be assessed on its own evidence. If it is a delay tactic, a separate demand makes that much harder to hide behind. ([business.gov.au](https://business.gov.au/planning/industry-information/construction-industry?utm_source=openai))

Move before the account goes stale

The longer a clean debt sits behind a side issue, the harder it becomes to recover. Pull together the invoice, the split calculation and every follow-up note, then choose the next formal step. That may be a payment claim, a statutory demand against a company, or another written notice depending on the debt and the paperwork.

If you want help deciding which recovery step fits, call CRP today about debt recovery. CRP can help you line up the records and the next move without making promises about the outcome. The practical aim is simple: keep the dispute separate, press the undisputed amount now, and stop the larger invoice being held hostage. ([business.gov.au](https://business.gov.au/finance/financial-trouble/what-to-do-when-you-havent-been-paid?utm_source=openai))