Payment disputes are a common challenge in the building and construction industry, where delays, disagreements, and miscommunications often lead to contested claims. In Australia, the Security of Payment Act (SOPA) was introduced to provide a clear framework for contractors, subcontractors, suppliers, and service providers to claim payment for work completed or services rendered. While SOPA has streamlined the payment process, disputes still arise when a payment claim is rejected or contested.

This article explores what happens when a payment claim is disputed under SOPA, outlines the adjudication process, and explains how Building and Construction Law governs these disputes. Whether you're a claimant or a respondent, understanding your rights and obligations under SOPA is essential to navigating these legal issues successfully.

Understanding the Security of Payment Act (SOPA)

The Security of Payment Act (SOPA) is a legislative framework that provides a mechanism for ensuring contractors and subcontractors receive prompt and fair payments for work completed. The Act applies to both residential and commercial construction projects and covers a wide range of services, including construction work, related services like design, advice, and maintenance, and the supply of goods such as building materials.

The primary objective of SOPA is to minimise payment delays and ensure that disputes are resolved quickly without the need for costly court proceedings. It does this by:
  • Allowing progress claims: Contractors can make progress claims for work completed at various stages of a project.
  • Providing a fast-track adjudication process: When disputes arise, the Act provides a process for adjudication, which is a quicker alternative to litigation.
  • Establishing strict timelines: Respondents must respond to payment claims within a prescribed timeframe or risk facing penalties.

While SOPA has helped reduce payment delays, disputes over payment claims are still common. These disputes typically arise when there is a disagreement over the amount claimed, the quality of work completed, or whether specific milestones have been met.

What Happens When a Payment Claim Is Disputed?

Under SOPA, both claimants (the party making the payment claim) and respondents (the party responsible for paying) have specific obligations. When a payment claim is disputed, it sets in motion a series of legal steps designed to resolve the dispute efficiently.

Submitting a Payment ClaimThe process begins when the claimant submits a payment claim to the respondent. The claim must be made in accordance with the contract between the parties, and it must specify:
  • The amount of money being claimed
  • A description of the work or services provided
  • The date of submission
 Once the claim is submitted, the respondent has a limited time to respond.

Issuing a Payment ScheduleThe respondent must issue a Payment Schedule within the timeframe specified by SOPA (typically 10 business days). This schedule outlines the amount the respondent intends to pay the claimant. If the respondent disputes the claim, they must:
  • State the reasons for disputing the claim
  • Provide a breakdown of the disputed amount
  • Outline any set-off or counterclaims
 Failure to provide a Payment Schedule within the required timeframe is a serious breach of SOPA, and the claimant may be entitled to pursue legal action for the full amount claimed.

Negotiating a ResolutionIn some cases, disputes can be resolved through negotiation between the claimant and respondent. This is often the quickest and least expensive way to settle a payment dispute. Both parties may review the contract terms and project milestones to find common ground on the disputed amount. However, if negotiations fail, the claimant has the option to escalate the dispute to adjudication under SOPA.

SOPA Adjudication Process

Adjudication is a key feature of SOPA, providing a fast-track process for resolving payment disputes. It is designed to be quicker and less expensive than going to court, with decisions made by an independent adjudicator who has expertise in building and construction law..

Application for AdjudicationIf the respondent disputes the payment claim or fails to provide a Payment Schedule, the claimant can apply for adjudication. The application must be submitted within a specific timeframe (usually 10 business days) after receiving the disputed Payment Schedule or after the payment was due. The application must include:
  • The original payment claim
  • The respondent’s Payment Schedule (if provided)
  • Any relevant contract documentation
  • A written explanation of why the payment is owed
 Once the application is submitted, the respondent will have an opportunity to respond by providing an Adjudication Response, outlining their reasons for disputing the claim.

Appointment of an AdjudicatorAn independent adjudicator is then appointed by an authorised nominating authority. The adjudicator is typically a lawyer or industry expert with specialised knowledge of construction law and payment disputes. The adjudicator’s role is to review the evidence provided by both parties and make a determination based on the terms of the contract, the provisions of SOPA, and any applicable laws.

Adjudicator’s DeterminationThe adjudicator must issue a determination within a short timeframe, usually within 10 to 15 business days. The determination will state:
  • Whether the respondent is required to pay the claimant
  • The amount of payment (if any)
  • The due date for payment
  • Any interest or penalties applicable
 The adjudicator’s decision is binding, and the respondent is required to comply with the determination. However, either party may still pursue further legal action through the courts if they are dissatisfied with the outcome.

Enforcement of the DeterminationIf the respondent fails to pay the amount determined by the adjudicator, the claimant has the right to enforce the adjudication decision in court. This can result in a court order compelling the respondent to pay the outstanding amount, including interest and legal costs. Additionally, claimants may have the right to suspend work on the project until payment is made, further putting pressure on the respondent to comply with the adjudicator’s determination.

What Are the Implications of Disputing a Payment Claim Under SOPA?

Disputing a payment claim under SOPA can have significant implications for both parties. For respondents, failing to respond appropriately or within the required timeframes can result in serious consequences, including:

Automatic liability for the full amount claimed: If a Payment Schedule is not issued within the required timeframe, the respondent may be liable to pay the full amount of the claim, even if there are valid reasons for disputing it.

Legal costs and penalties: Respondents who lose in adjudication or fail to comply with the adjudicator’s determination may be liable for additional legal costs and interest on the unpaid amount.

Project delays: If a dispute is not resolved quickly, it can result in significant delays to the construction project, potentially leading to further financial losses.

For claimants, escalating a dispute to adjudication can be a cost-effective and efficient way to resolve payment issues. However, there are risks involved, particularly if the adjudicator’s determination is not in the claimant’s favour. In some cases, claimants may still need to pursue further legal action to recover payment.

How Building and Construction Law Protects Contractors and Subcontractors

The Security of Payment Act is a crucial part of Building and Construction Law in Australia. It provides essential protections for contractors and subcontractors, ensuring that they are paid promptly for their work and services. Key aspects of the law that protect claimants include:

Strict timeframes: SOPA sets clear deadlines for submitting payment claims and responding to disputes, reducing the risk of prolonged delays.

Fast-track adjudication: The adjudication process provides a quicker alternative to litigation, allowing parties to resolve disputes without incurring significant legal costs.

Enforcement mechanisms: If a respondent fails to comply with an adjudicator’s determination, claimants have the right to enforce payment through the courts, ensuring that they are not left out of pocket.

For respondents, SOPA also provides important safeguards, including the right to dispute payment claims and present evidence supporting their position. However, respondents must be diligent in complying with SOPA’s requirements to avoid penalties.

Disputed payment claims under SOPA can be complex and contentious, but understanding the legal framework and the steps involved in resolving these disputes can help both claimants and respondents protect their rights. Whether you are a contractor, subcontractor, or project owner, complying with the provisions of SOPA and seeking expert legal advice is essential to ensure that disputes are resolved efficiently and fairly.

If you're facing a payment dispute under SOPA or need assistance with any aspect of Building and Construction Law.

Contact New South Lawyers today. We can guide you through the adjudication process and help you achieve the best outcome for your construction project.