An injunction is a powerful weapon, but it is not handed out for free. When a court grants an interim injunction, it almost always attaches a price: the applicant must give an “undertaking as to damages”, a binding promise to compensate the other side if the injunction later turns out to have been wrongly granted. For companies rushing to court to freeze assets, restrain a director, or stop a transaction, this undertaking is easy to overlook and expensive to underestimate. It is, in effect, the deposit you put down for the right to interfere with someone else’s conduct before your case has been proven.
This guide explains what the undertaking as to damages is, its legal basis in Singapore, who must give it, how the process works, what it can cost you, and what happens if the injunction is later discharged. It is written for business owners and directors, and it is not a substitute for advice from a qualified Singapore Advocate and Solicitor.
What is an undertaking as to damages?
An undertaking as to damages is a promise given by the party seeking an injunction to the court that, if the injunction is later found to have been wrongly granted, the applicant will compensate the party who was restrained for the losses caused by the injunction. It is not a promise made to the other side directly; it is given to the court, and the court enforces it.
The rationale is fairness. An interlocutory injunction is granted at an early stage, on incomplete evidence, before the merits have been tested at trial. The restrained party may suffer real financial harm in the meantime, for example lost business, frozen funds, or a collapsed transaction. If it later emerges that the applicant was not entitled to the injunction after all, the undertaking ensures the innocent party can be made whole. It is the counterweight that justifies the court interfering with a party’s freedom before the case is decided.
The legal basis
The court’s power to grant injunctions flows from Section 4(10) of the Civil Law Act 1909, and interlocutory applications are governed by the Rules of Court 2021. The requirement for an undertaking as to damages is not a stand-alone statutory provision but a long-established feature of the court’s equitable jurisdiction and practice: it is a condition the court imposes as the price of granting discretionary interim relief.
The undertaking is woven into the American Cyanamid framework the court applies when deciding whether to grant a prohibitory injunction. One of the questions the court asks is whether damages would be an adequate remedy, and the adequacy of the applicant’s undertaking to the restrained party is part of that assessment. Our explainers on the balance of convenience test and prohibitory versus mandatory injunctions show where the undertaking fits within the wider analysis.
Who must give the undertaking?
The applicant for the injunction gives the undertaking. This applies across the range of interim injunctions, whether a prohibitory injunction to restrain conduct, a Mareva injunction freezing assets, or an injunction to prevent a company disposing of property. In each case the party asking the court to restrain another must ordinarily promise to pay for the consequences if the restraint proves unjustified.
Where the applicant is a company of limited means, or a shell entity, the court may be concerned that the undertaking is worthless, because there would be no money behind the promise. In those situations the court can require “fortification” of the undertaking, meaning the applicant must back it with security, such as a payment into court or a bank guarantee. A well-advised respondent will often press for fortification precisely to test whether the applicant can actually stand behind its promise.
How the process works
Step 1: The undertaking is offered
When applying for the injunction, the applicant offers the undertaking as to damages, usually recorded in the body of the draft order. Without it, the court will generally decline to grant interim relief.
Step 2: The court considers adequacy and fortification
The court weighs whether the undertaking provides real protection to the restrained party. If there is doubt about the applicant’s ability to pay, the court may order fortification as a condition of the injunction.
Step 3: The undertaking is recorded in the order
The granted order records the undertaking. From that moment the applicant is bound: the promise is enforceable by the court, not merely a matter of goodwill.
Step 4: Enforcement, if the injunction is discharged
If the injunction is later discharged or the applicant loses at trial, the restrained party can apply to enforce the undertaking. The court conducts an inquiry as to damages to assess the loss caused by the injunction and orders the applicant to pay.
Documents and elements involved
| Element | What it is |
|---|---|
| The undertaking | The applicant’s recorded promise to compensate for losses caused by a wrongly granted injunction |
| Supporting affidavit | Sets out the applicant’s means and, where relevant, addresses ability to satisfy the undertaking |
| Draft order | Contains the undertaking, usually in the recitals, as a condition of the injunction |
| Fortification (if required) | Security such as a payment into court or bank guarantee backing the undertaking |
| Inquiry as to damages | The later process, if triggered, to quantify and enforce the loss |
What it can cost you
| Exposure | Nature |
|---|---|
| Compensable loss | The restrained party’s provable losses caused by the injunction, which can be substantial |
| Fortification | Cash or security tied up for the duration of the injunction |
| Legal costs | Costs of the injunction application and any later inquiry as to damages |
The true financial exposure under an undertaking is open-ended: it is measured by the loss the other side actually suffers, not by any figure the applicant chooses. Freezing a trading company’s assets or halting a live transaction can generate large, well-documented losses. This is why the undertaking should never be treated as a formality. Before rushing to court, a company should assess, with its solicitors, the realistic downside if the injunction is later discharged.
What happens if the injunction is discharged?
If the court later discharges the injunction, or the applicant loses the substantive case, the restrained party can seek to enforce the undertaking. The court is not obliged to order an inquiry in every case; it retains a discretion. But where the injunction should not have been granted and caused loss, the court will generally hold the applicant to its promise and direct an inquiry as to damages to quantify what is owed. The restrained party must still prove that the losses were caused by the injunction and are not too remote.
For applicants, the practical lesson is that an injunction obtained too aggressively, on thin evidence, or without proper disclosure, can rebound badly. Winning the interim battle is worthless if the injunction is discharged and the undertaking is enforced for a large sum. For respondents, the undertaking is a source of leverage and protection that should be actively pursued, including by seeking fortification early.
Frequently asked questions
Is an undertaking as to damages always required?
It is the usual condition for an interlocutory injunction. The court has discretion and there are limited exceptions, but a private commercial applicant should expect to give one.
What is fortification of the undertaking?
Fortification is security the court may require to back the undertaking, such as a payment into court or a bank guarantee, where there is doubt about the applicant’s ability to pay if the undertaking is called upon.
How is the loss under the undertaking calculated?
Through an inquiry as to damages, the court assesses the losses the restrained party actually suffered because of the injunction, applying causation and remoteness principles similar to those in a breach of contract claim.
Can a respondent demand security before the injunction is granted?
A respondent can ask the court to order fortification as a condition of granting or continuing the injunction, particularly where the applicant’s ability to honour the undertaking is in doubt.
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