IRAS Voluntary Disclosure Programme (VDP): Frequently asked questions

The IRAS Voluntary Disclosure Programme lets a company that has underpaid income tax, GST, withholding tax or claimed an excess cash payout come forward on its own and pay reduced or no penalty, provided the disclosure is accurate, complete, and made before IRAS starts asking questions. For Singapore SMEs still untangling old Productivity and Innovation Credit (PIC) claims, under-declared income, or wrongly claimed deductions, the VDP is usually the safest route back into compliance.

What the Voluntary Disclosure Programme is

IRAS’ Voluntary Disclosure Programme (VDP) is a standing administrative concession, not a time-limited amnesty. A taxpayer who discovers that a past return, computation or cash payout claim was wrong can write in, explain the error, pay the shortfall, and in return receive no penalty or a reduced penalty rather than the full penalty that would apply if IRAS found the error first through an audit or a query letter. The programme covers corporate income tax, individual income tax, GST, withholding tax and stamp duty, which makes it the natural channel for a director who realises, say, that a legacy PIC cash payout claim was overstated, or that certain expenses were wrongly treated as deductible under the Income Tax Act 1947.

Who the disclosure is for

The VDP is aimed at companies and individuals who want to put right an error that was not deliberate tax evasion. It applies equally to a company director tidying up before a sale or restructuring, an SME finance team catching an error during an internal review, a tax agent who finds a client’s prior-year filing was wrong, or a company responding to an IRAS data-matching letter that has not yet escalated into a formal audit. It is not a substitute for proper recordkeeping going forward, and it does not apply once IRAS has already opened an audit or investigation into the specific matter being disclosed.

Eligibility and the conditions that matter

Two conditions decide whether a disclosure qualifies for reduced penalty treatment. First, the disclosure must be accurate and complete: every error for the relevant years must be disclosed, not just the easiest one to admit. Second, it must be timely and self-initiated, meaning it is made before the taxpayer receives any query, notice or audit letter from IRAS relating to the tax matter in question. A disclosure made halfway through an ongoing query does not qualify for the full concession. Where the error reflects a genuine mistake rather than wilful intent to evade tax, the taxpayer should expect either no penalty, within the grace period, or a materially reduced penalty rate. Where wilful intent to evade tax is involved, the case is treated very differently, and the reduced-penalty framework for honest mistakes does not apply in the same way.

Cost and timeline

There is no application fee to make a voluntary disclosure. The cost is the tax actually underpaid, plus any penalty that still applies after the concession. Since 1 January 2013, IRAS’ published treatment has been: disclosures made within a one-year grace period of the error typically attract no penalty; disclosures made after the grace period typically attract a reduced penalty of around 5% of the tax undercharged, or of the excess cash payout obtained, for each year the error went uncorrected, rather than the much higher penalty that follows a discovered error. Preparing a voluntary disclosure properly, with supporting workings for each affected year of assessment, commonly takes two to six weeks depending on how many years and issues are involved. IRAS’ own processing time after a complete submission varies by case complexity and is not fixed by statute.

Step-by-step process

The first step is to identify every year of assessment affected and quantify the tax impact year by year, not just in aggregate. The second step is to prepare a written disclosure letter addressed to IRAS setting out the nature of the error, the years involved, and the revised figures, with supporting schedules. The third step is to lodge the disclosure with IRAS, normally in writing or through myTax Portal correspondence, before any IRAS query on the same matter arrives. The fourth step is to pay the additional tax, and any applicable penalty, within the time IRAS specifies once it has reviewed the disclosure. The fifth step is to correct the underlying process, whether that is a bookkeeping practice, a legacy PIC claim methodology, or a deduction policy, so the same error does not recur in later years.

Common mistakes and gotchas

The most frequent mistake is partial disclosure: flagging one error while leaving a related one out, which can cost the taxpayer the reduced-penalty treatment if IRAS later finds the second issue itself. Another common mistake is waiting too long after an internal review flags the issue, since the clock on the grace period runs from when the error arose, not from when the company decides to act. Companies also sometimes assume the VDP applies retroactively once IRAS has already sent a query letter on the same point; once that has happened, the matter is generally treated as IRAS-initiated rather than self-initiated, and the concession is reduced or unavailable. Groups with several related companies should also check whether the same error pattern, for example a shared PIC claim methodology, appears across more than one entity, since IRAS will expect the disclosure to be complete across the group, not just the entity that happened to notice first.

How this connects to legacy scheme claims

SMEs that claimed the Productivity and Innovation Credit before the scheme lapsed sometimes find, years later during an IRAS review or an internal audit ahead of a transaction, that a claim was overstated or that supporting documentation does not fully match what was declared. Where that is discovered internally rather than through an IRAS audit, a voluntary disclosure is typically the more favourable route than waiting for IRAS to raise it first, because the clawback and penalty exposure on a PIC-related error, once IRAS finds it through its own review, is materially higher than the reduced-penalty VDP treatment. Companies that also hold ACRA filing obligations, such as annual returns and XBRL submissions via ACRA, should check those are current before any voluntary disclosure is lodged, since a tidy filing history supports the credibility of the disclosure. The same logic applies to other historical claims and allowable-expense positions taken in earlier years of assessment.

FAQs

Does the Voluntary Disclosure Programme cover GST as well as income tax?
Yes. The VDP applies across income tax, including cash payouts, GST, withholding tax and stamp duty, so a company correcting both an income tax position and a related GST position can usually deal with both under the same disclosure.

What happens if IRAS has already sent a query letter before I disclose?
Once IRAS has contacted the company about the specific matter, a subsequent disclosure on that same matter is no longer self-initiated in the way the programme requires, and the reduced-penalty treatment generally will not apply in full. It is still usually better to cooperate fully than to say nothing.

Can a tax agent or accountant make the disclosure on the company’s behalf?
Yes. Most voluntary disclosures are prepared and lodged by the company’s tax agent or accountant, working from the company’s own records, with the company director or authorised officer signing off on the final submission to IRAS.

Is there a time limit on how far back a disclosure can go?
Disclosures can cover multiple past years of assessment. The penalty treatment differs depending on whether each year falls within or outside the one-year grace period from when the error arose, so older errors are reviewed year by year rather than as a single blended figure.

Does making a voluntary disclosure trigger a wider audit of the company?
A properly prepared, complete and accurate disclosure is designed to close out the specific matter raised. It does not automatically trigger a broader audit, although IRAS retains its general right to review any aspect of a company’s tax affairs.

Documentation to prepare before writing in

A disclosure that is accurate and complete needs a documentary trail, not just a corrected number. For an income tax error this typically means the original tax computation, the revised computation showing the adjustment, supporting schedules for the item in question, such as a fixed asset register entry, an invoice, or a claim form for a scheme like PIC, and a short written explanation of how and when the error was discovered. For a GST error it typically means the original F5 return, the revised figures, and the underlying sales or purchase records that support the correction. For withholding tax it means the original S45 filing, the payment records to the non-resident payee, and the corrected computation. Companies that keep clean digital records, even years after the error arose, generally find the disclosure far faster to prepare, because the gap is in explaining the error rather than reconstructing the underlying transactions from scratch.

Voluntary disclosure compared with waiting for an audit

The practical difference between disclosing first and waiting to be audited is almost always the size of the eventual penalty, not whether tax is ultimately payable. Tax that was genuinely owed remains owed either way; what the VDP changes is the penalty loading on top of that tax. A company that discloses an error itself, before any IRAS contact on the matter, is treated under the reduced-penalty framework described above. A company that is instead caught through an IRAS audit, data-matching exercise, or third-party information request faces the standard, considerably higher penalty regime, and in cases involving wilful intent, the possibility of prosecution rather than a civil penalty. For a company holding legacy PIC claims, old GST positions, or historical deduction treatments it is no longer confident about, the calculation is usually straightforward: the earlier the internal review happens and the earlier any error is disclosed, the lower the eventual cost.

How RCS approaches a disclosure review

A structured internal review before any disclosure is made typically starts with a reconciliation of each year of assessment’s as-filed computation against the underlying ledger, followed by a targeted check of higher-risk items: legacy scheme claims, related-party transactions, and deductions that depend on a specific statutory test being met. Where an error is confirmed, the next step is quantifying the impact year by year, because the grace-period penalty treatment is applied per year rather than as a single blended adjustment across the whole disclosure period. Only once the figures are settled does the written disclosure go to IRAS, together with the supporting schedules described above. Throughout the process, the goal is a single, complete submission rather than a series of partial corrections, since a second disclosure covering an issue that could have been raised the first time is treated far less favourably.

FAQs continued

Will a voluntary disclosure affect the company’s standing with IRAS going forward?
A properly handled disclosure is treated as evidence of good faith compliance, not as a red flag. Companies that disclose promptly and completely are generally viewed more favourably in any future dealings with IRAS than companies whose errors are only found through an audit.

What if the error spans several related companies in a group?
Each entity’s position should be reviewed and, where an error is confirmed, disclosed for that entity specifically. IRAS expects the group’s overall disclosure to be complete, so a review that is confined to one entity while a sister company has the same unresolved issue is unlikely to be treated as a full and accurate disclosure.

Can interest be charged in addition to the penalty?
The VDP concession addresses the penalty component. The underlying tax shortfall itself is always payable, and companies should budget for the principal tax amount regardless of how favourable the penalty treatment turns out to be.

Does a voluntary disclosure need to be filed in a particular format?
There is no prescribed form for most categories of disclosure; IRAS expects a clear written submission, with figures and supporting schedules, rather than a specific template. Larger or more complex disclosures are often easier for IRAS to process when the submission groups the correction by year of assessment and by tax type.

Related guides

For the compliance calendar around filing deadlines, see Estimated Chargeable Income (ECI) filing: Frequently asked questions. For the full mechanics of the programme, see IRAS Voluntary Disclosure Programme Singapore 2026. Companies managing cross-border staff alongside a tax clean-up should also see Employment Pass (EP): full application walkthrough.

Need help with this? Call, SMS or WhatsApp +65 8501 7133, or email [email protected]. Raffles Corporate Services works with a panel of corporate and employment law firms; this article is general information, not legal advice.