A loss-making year is painful, but Singapore’s tax system offers a genuine consolation: unutilised trade losses and capital allowances can be carried forward and set off against future profits, reducing the tax bill when the business turns the corner. What many company owners do not realise is that this valuable relief is not automatic. To carry losses forward, a company must pass the “shareholding test”, and capital allowances carry an extra “same business” condition. Fail these tests, and years of accumulated relief can be forfeited overnight, often when a company changes hands.
This guide explains how carry-forward relief works, the shareholding test in detail, the same business test for capital allowances, and how a company can apply for a waiver when a change in ownership is genuinely commercial.
What can be carried forward?
Three categories of unutilised items can generally be carried forward under the Income Tax Act 1947: unutilised trade losses, unutilised capital allowances (tax depreciation on plant and machinery), and unutilised donations. Trade losses and capital allowances can be carried forward indefinitely, subject to the conditions below. Unutilised donations can be carried forward for up to five years. This is distinct from loss carry-back relief under Section 37E, which lets a company carry losses backward to an earlier year, and from group relief under Section 37C, which transfers current-year losses between group companies.
The shareholding test
The shareholding test is the gateway condition. Its purpose is anti-avoidance: it stops profitable businesses from buying up dormant “loss shells” purely to soak up their accumulated tax losses. The relief is meant to benefit the same owners who suffered the loss, not new owners who acquire the company for its tax attributes.
The 50 percent rule
A company satisfies the shareholding test if there is no substantial change in its shareholders and their shareholdings between two relevant dates. In practice, “no substantial change” means that at least 50 percent of the company’s shares are held by the same persons on both comparison dates. If the common shareholders hold 50 percent or more of the issued shares as at the relevant dates, the test is passed and the losses or allowances remain available.
The relevant comparison dates
For unutilised trade losses, the comparison is between the last day of the year in which the loss arose and the first day of the year of assessment in which the loss is to be utilised. For unutilised capital allowances, the comparison dates are set by reference to the relevant years of assessment. IRAS compares who the shareholders were, and how much they held, on those dates. Guidance and worked examples are published by IRAS.
Tracing through corporate shareholders
Where shares are held by another company, the ultimate beneficial shareholders may need to be traced to determine whether there has been a substantial change. A restructuring that looks, on the surface, like it keeps the same immediate corporate parent can still fail the test if the ultimate ownership shifts.
The same business test for capital allowances
Capital allowances carry a second condition on top of the shareholding test. To carry forward unutilised capital allowances, the company must also continue to carry on the same trade or business for which the allowances were originally given. This “same business test” prevents a company from switching to an entirely different activity and still claiming depreciation relief accumulated under the old trade. Trade losses do not carry this extra condition; the same business test applies specifically to capital allowances.
What happens when a company is sold?
The shareholding test is most often failed on a change of control. If a buyer acquires more than 50 percent of a target company, the target may lose its brought-forward losses and allowances from the date of the substantial change. This is a critical due-diligence point in any acquisition: a buyer counting on the target’s tax losses to shelter future profits may find those losses evaporate on completion. Sellers and buyers alike should model the tax position before signing. The mechanics of the transfer itself, and the paperwork involved, are covered in our guide on allotting and transferring shares.
Applying for a waiver of the shareholding test
The law recognises that ownership changes for legitimate reasons, so a company that fails the shareholding test may apply to the Minister for a waiver. A waiver of the shareholding test can be granted under Section 37(16) of the Income Tax Act for unutilised trade losses, and under Section 23(5) for unutilised capital allowances, where the substantial change in shareholders arose for genuine commercial reasons and not for the purpose of deriving a tax benefit or obtaining a tax advantage.
To succeed, the company must show that the change in ownership was driven by commercial considerations, such as a bona fide sale of the business, a genuine injection of new investment, or a group reorganisation, rather than an attempt to trade in tax losses. The application is made to IRAS with supporting explanation and documents. Understanding where this fits in your wider filing obligations is easier alongside our complete guide to Singapore corporate tax.
Frequently asked questions
How long can trade losses be carried forward?
Unutilised trade losses and capital allowances can be carried forward indefinitely, provided the shareholding test (and, for capital allowances, the same business test) is satisfied. Unutilised donations can be carried forward for up to five years.
Does issuing new shares to investors fail the shareholding test?
It can, if the new issue dilutes the original shareholders below the 50 percent common-ownership threshold on the relevant dates. Whether it does depends on the size of the issue and who takes up the shares.
Is the waiver automatic if the reasons are commercial?
No. The waiver is discretionary. The company must apply and demonstrate that the change was for genuine commercial reasons and not tax-driven. IRAS assesses each case on its facts.
The bottom line
Carried-forward losses and allowances are a real asset on a company’s tax balance sheet, but they are conditional. Watch the 50 percent shareholding test whenever ownership shifts, remember the extra same business test for capital allowances, and apply for a waiver early where a change of control is genuinely commercial. Building these checks into acquisition due diligence and restructuring plans protects relief that can be worth a great deal in future tax saved. If you would like help assessing whether your company passes the tests, or preparing a waiver application, our tax team can assist.
— The Editorial Team, Raffles Corporate Services