Cash flow is the lifeblood of the construction industry, yet payment disputes are endemic. A subcontractor completes work, submits a claim, and then waits, sometimes for months, while the main contractor withholds payment. To break this cycle, Singapore enacted a statutory adjudication regime that gives contractors and suppliers a fast, low-cost way to recover progress payments. This article explains what adjudication under the Building and Construction Industry Security of Payment Act is, the legal basis, who can use it, the step-by-step process, the documents and timelines involved, and what happens after an adjudicator makes a determination.
This is a practical guide for company directors, contractors and suppliers, not a substitute for legal advice. Because deadlines under the Act are strict and unforgiving, engaging a Singapore lawyer experienced in construction disputes early can make the difference between recovering your money and losing your right to claim.
What Is Statutory Adjudication?
Statutory adjudication is a fast-tracked dispute resolution process created specifically to resolve construction payment disputes. An independent adjudicator decides, on the documents, how much is payable for a payment claim made under the Act. It is deliberately quick and inexpensive compared with court litigation or arbitration, and it produces a determination that is binding on a temporary basis: the losing party must pay now and argue later, if it wishes, in arbitration or court.
The regime rests on a simple policy: keep money flowing down the contractual chain while disputes are sorted out, rather than allowing a party higher up the chain to use non-payment as leverage. This “pay now, argue later” philosophy is what makes adjudication so powerful for unpaid contractors and suppliers.
The Legal Basis: The Security of Payment Act
Adjudication is governed by the Building and Construction Industry Security of Payment Act 2004 (the SOP Act), which took effect on 1 April 2005 and has since been amended to strengthen the regime. Key provisions include the statutory right to progress payments (section 5), the making of a payment claim (section 10), the respondent’s payment response (section 11), the making of an adjudication application (section 13), the adjudicator’s determination (section 17), the right to an adjudication review for larger sums (section 18), and enforcement of a determination as if it were a court judgment (section 27).
The Act applies to most construction contracts and related supply contracts for construction work carried out in Singapore. The Building and Construction Authority (BCA) oversees the framework, and the appointed Authorised Nominating Body (ANB) that administers adjudication applications and appoints adjudicators is the Singapore Mediation Centre (SMC). You can read more about the framework on the BCA website.
Who Can Apply?
Any party who has carried out construction work, or supplied goods or services under a construction contract, and who is owed a progress payment, may use the regime. In practice this means main contractors claiming against employers, subcontractors claiming against main contractors, and suppliers and consultants claiming against those who engaged them. The claimant serves a payment claim; if the respondent fails to pay the claimed or responded amount, or disputes it, the claimant may lodge an adjudication application.
The Act cannot be contracted out of. Any term in a construction contract that tries to exclude, modify or restrict the operation of the Act is void, which prevents stronger parties from drafting away a subcontractor’s statutory rights.
The Adjudication Process Step by Step
1. Serve the Payment Claim
The claimant serves a payment claim on the respondent, stating the claimed amount and the work to which it relates, within the time allowed by the contract or the Act.
2. The Payment Response
The respondent should reply with a payment response stating how much it accepts and its reasons for withholding the rest. Where the contract is silent, the default period for a payment response is 14 days.
3. The Dispute Settlement Period
If the response is unsatisfactory or absent, a short dispute settlement period follows, giving the parties a final chance to resolve matters before adjudication.
4. Lodge the Adjudication Application
The claimant lodges an adjudication application with the SMC and serves it on the respondent. The SMC appoints an independent adjudicator.
5. The Adjudication Response and Determination
The respondent may file an adjudication response (subject to the statutory limits on what it can raise), and the adjudicator then determines the adjudicated amount, usually on the documents, within the tight statutory timeframe.
Documents Required
| Document | Purpose |
|---|---|
| Construction contract | Establishes the parties’ rights and the payment terms |
| Payment claim | The claim that triggers the process (section 10) |
| Payment response (if any) | The respondent’s position on the amount payable (section 11) |
| Adjudication application | The formal application lodged with the SMC (section 13) |
| Supporting records | Progress reports, variation records, delivery orders, correspondence and invoices |
| Adjudication response | The respondent’s reply within the statutory limits (section 15) |
Timeline and Costs
Adjudication is prized for speed. From payment claim to determination, the process is one of the shortest statutory adjudication regimes in the world, typically resolving within a matter of weeks rather than the months or years a court claim can take.
| Stage | Indicative timing |
|---|---|
| Payment response (default, if contract silent) | Within 14 days of the payment claim |
| Dispute settlement period | A short fixed window after the response period |
| Adjudication application | Lodged shortly after the dispute settlement period |
| Adjudicator’s determination | Generally around 7 days after the adjudication response period, extendable by agreement |
| Payment of adjudicated amount | Within 7 days of the determination, unless the adjudicator sets another date |
On costs, the parties pay the SMC’s lodgement and administration fees and the adjudicator’s fees, which the adjudicator usually apportions against the unsuccessful party. Because the process is document-based, parties can represent themselves, though many engage lawyers or claims consultants for larger or complex claims. Overall, adjudication is far cheaper than litigation.
What Happens After the Determination?
Once the adjudicator issues a determination, the respondent must pay the adjudicated amount by the date specified. If it does not, the claimant has real teeth. Under the Act, an unpaid claimant may suspend further work or exercise a lien over unfixed goods, and, importantly, may apply to the court for leave to enforce the adjudication determination as if it were a judgment debt (section 27). Once enforced, the usual judgment enforcement tools become available, including seizure and sale and the attachment of debts.
Where the adjudicated amount exceeds the respondent’s payment response by a prescribed threshold, the respondent may seek an adjudication review by a panel of adjudicators, but only after first paying the adjudicated amount. This preserves the “pay now, argue later” principle. Because adjudication is only temporarily binding, either party may still pursue the underlying dispute in arbitration or in court, and where an arbitration clause applies, a party may seek a stay of court proceedings in favour of arbitration. If a paying party is insolvent, unpaid parties may need to consider winding up proceedings instead.
Frequently Asked Questions
Can we contract out of the SOP Act?
No. Any contract term that excludes, modifies or restricts the Act is void, so a subcontractor’s statutory right to adjudication cannot be drafted away.
Do I need a lawyer to adjudicate?
Not strictly. Adjudication is document-based and parties may act for themselves. However, the deadlines are strict and the drafting of the payment claim and application matters greatly, so legal or claims-consultant help is common for significant claims.
What if the respondent ignores the determination?
You may suspend work, exercise a lien over unfixed goods, and apply for leave to enforce the determination as a court judgment, after which the full range of enforcement remedies applies.
Is the adjudicator’s decision final?
It is binding on an interim basis. The losing party must pay, but either party may still take the underlying dispute to arbitration or court, and larger determinations may be subject to an adjudication review after payment.
Does the Act apply to my contract?
It applies to most construction contracts and related supply contracts for work carried out in Singapore. Certain contracts, such as those with residential owners for their own occupation, may be excluded, so check the scope carefully. Useful plain-English explainers are available at JustFollowLaw.
Need Help With This Matter?
If your company is facing this situation, Raffles Corporate Services can assist with the groundwork: ACRA filings, compliance documentation, and coordinating with experienced Singapore law firms. For matters requiring court proceedings, we work with a panel of experienced Singapore law firms who offer cost-effective and efficient legal service and advice.
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This article is for general information only and does not constitute legal advice. For advice specific to your situation, please consult a qualified Singapore Advocate and Solicitor.
The Editorial Team, Raffles Corporate Services