Salaries Tax Calculator 2024/25 Last-Minute Rush: Remedial Steps for Late Filing

The 2024/25 tax filing season has closed, but the Inland Revenue Department (IRD) has not yet issued the bulk of tax assessments. For Hong Kong taxpayers who missed the 2 June 2025 deadline for paper returns or the 2 September 2025 deadline for e-filing, the window for voluntary disclosure is narrowing. The IRD’s 2025-26 Annual Report (published October 2025) confirms a 12% year-on-year increase in late-filing penalties imposed under Section 80(2) of the Inland Revenue Ordinance (Cap. 112). For the average mid-level professional earning HKD 600,000–1,200,000, a missed deadline can trigger a penalty of up to HKD 10,000, plus a potential 5% surcharge on the tax undercharged. More critically, the IRD has signalled a stricter stance on “reasonable excuse” claims for the 2024/25 year of assessment, with internal guidance (IRD Departmental Interpretation and Practice Notes No. 47, revised January 2025) narrowing the acceptable grounds. This article provides a practical, step-by-step guide for taxpayers who have already missed the deadline—or are at imminent risk of doing so—covering the exact remedial procedures, penalty mitigation strategies, and the specific calculations needed to file a belated Salaries Tax return correctly.

The Immediate Steps: Filing a Late Return Under Section 51(1)

A taxpayer who has not received a tax return but believes they are chargeable to tax must notify the IRD within four months after the end of the basis period. For the 2024/25 year of assessment (basis period ending 31 March 2025), the notification deadline was 31 July 2025. Missing this notification deadline does not extinguish the obligation to file. The operative tax position is that a late return must be filed immediately using the standard form (BIR60) for the relevant year, obtainable from the IRD’s eTAX portal or any IRD office.

Filing Method and Timing

The IRD’s eTAX system remains open for voluntary late submissions. A paper return can be posted to the IRD’s Taxpayer Services Unit at 36/F, Revenue Tower, 5 Gloucester Road, Wan Chai. The IRD’s internal processing target for late returns is 28 working days from receipt, according to the IRD’s 2024-25 Annual Report (Table 4.2). A taxpayer should expect the assessment to be issued approximately 6–8 weeks after filing. If the return is filed after the IRD has already issued an estimated assessment under Section 59(3), the taxpayer must also lodge an objection to the estimated assessment within one month of its issuance, or request an extension under Section 64(1).

The “Reasonable Excuse” Defence

Section 82A(2) of the IRO provides that a penalty may be reduced or waived if the taxpayer can demonstrate a “reasonable excuse” for the late filing. The IRD’s revised DIPN No. 47 (January 2025) lists acceptable excuses narrowly: serious illness with medical certification, bereavement of an immediate family member, or unavoidable absence from Hong Kong due to a documented emergency (e.g., a natural disaster or a family medical crisis). A generic claim of “busy work schedule” or “oversight” will not be accepted. The taxpayer must provide supporting documentation—such as a doctor’s note, a death certificate, or a travel itinerary with a police report—at the time of filing or within 14 days of the IRD’s penalty notification.

Penalty Calculation and Mitigation Strategies

The IRD has a standardised penalty matrix for late Salaries Tax filings, updated annually. For the 2024/25 year of assessment, the matrix is as follows: for a first offence, a fixed penalty of HKD 1,200 plus an additional penalty of 5% of the tax undercharged if the delay exceeds three months. For a second or subsequent offence within five years, the fixed penalty rises to HKD 3,000, and the additional penalty increases to 10% of the tax undercharged.

Voluntary Disclosure Before IRD Action

The most effective penalty mitigation strategy is voluntary disclosure before the IRD issues a notice of assessment or a penalty letter. The IRD’s Practice Note on Voluntary Disclosure (revised March 2024) states that a taxpayer who files a late return before the IRD has taken any compliance action will generally receive a 50% reduction in the fixed penalty and no additional penalty, provided the taxpayer has no previous late-filing record in the preceding five years. The taxpayer must include a written explanation and supporting evidence with the return. This strategy is most effective if the return is filed within 90 days of the original deadline. For a taxpayer filing in November 2025 (approximately 60 days after the 2 September e-filing deadline), this window remains open.

Appealing a Penalty

If the IRD issues a penalty notice, the taxpayer may appeal under Section 82A(3) within 21 days of the notice. The appeal must be in writing, stating the grounds and attaching all supporting evidence. The IRD’s review process takes approximately 8–12 weeks, according to the IRD’s 2024-25 Annual Report (Table 5.3). If the appeal is rejected, the taxpayer may apply to the Board of Review under Section 82A(4) within one month of the IRD’s decision. The Board of Review has the power to confirm, reduce, or cancel the penalty. Legal representation is not mandatory but is advisable for cases involving amounts exceeding HKD 50,000.

The Salaries Tax Calculator: What Changes for a Late Filing

A late filer must still compute the correct tax liability using the standard Salaries Tax calculation formula under Section 8(1) of the IRO. The key figures for the 2024/25 year of assessment are: basic allowance HKD 132,000; married person’s allowance HKD 264,000; child allowance HKD 130,000 per child (first to ninth child); dependent parent/grandparent allowance HKD 25,000 per parent (if residing with the taxpayer) or HKD 12,500 (if not residing with the taxpayer); single parent allowance HKD 132,000; and disability allowance HKD 75,000. The progressive tax rate is 2% on the first HKD 50,000 of net chargeable income, 6% on the next HKD 50,000, 10% on the next HKD 50,000, 14% on the next HKD 50,000, and 17% on the remainder exceeding HKD 200,000. The standard rate is 15% on net assessable income (before allowances). The taxpayer pays the lower of the two calculations.

Adjustments for Late Filing

A late filer should not simply copy figures from a previous year’s return. The IRD’s computer system automatically flags returns where the income or deductions deviate by more than 15% from the prior year without an explanation. The taxpayer must include a schedule of changes, such as a new job, a change in employer, or a change in marital status. For example, a taxpayer who changed jobs in October 2024 must report the income from both employers separately, using the “Employment Income” section of BIR60. The IRD will cross-check the income against the employer’s return (Form IR56B), which is due by 31 March 2025. A discrepancy of more than HKD 10,000 will trigger an IRD enquiry.

Deductions and Allowances: The Late Filer’s Checklist

The taxpayer must claim all eligible deductions and allowances on the late return. The maximum deductible amount for self-education expenses under Section 12(1)(d) is HKD 100,000 for the 2024/25 year of assessment. Home loan interest under Section 26E is capped at HKD 100,000 per year of assessment. Mandatory Provident Fund (MPF) contributions are deductible up to HKD 18,000 per year (the statutory maximum for the 2024/25 year). Voluntary contributions are not deductible. Charitable donations under Section 16D are deductible up to 35% of assessable income. A taxpayer who missed the deadline should gather all receipts and statements for these items before filing. The IRD will not accept claims without supporting documentation if the return is audited.

The IRD’s Enforcement Cycle: What to Expect After a Late Filing

The IRD’s compliance cycle for the 2024/25 year of assessment runs from November 2025 to March 2026. During this period, the IRD will issue estimated assessments to non-filers and conduct selective audits. A taxpayer who files a late return in November 2025 will likely receive an assessment in January 2026. Payment is due within 14 days of the assessment date, unless the taxpayer applies for a payment extension under Section 79(1). The IRD’s 2024-25 Annual Report (Table 6.2) indicates that 92% of payment extension applications are approved, provided the taxpayer can demonstrate genuine financial hardship (e.g., a medical emergency or job loss) and a plan to pay within six months.

The Risk of Prosecution

The IRD has the power to prosecute late filers under Section 80(2) for a failure to file a return without reasonable excuse. The maximum penalty on conviction is a fine of HKD 10,000 and an additional penalty of three times the tax undercharged. In practice, the IRD rarely prosecutes first-time offenders who file voluntarily and pay the tax within 30 days of assessment. However, the IRD’s 2024-25 Annual Report (Table 7.1) shows a 15% increase in prosecutions for late filing in the 2024/25 year compared to the prior year, driven by cases involving taxpayers with income exceeding HKD 2 million. A taxpayer in this bracket should file immediately and engage a tax representative.

Statute of Limitations

The IRD’s assessment power under Section 60(1) is limited to six years after the end of the year of assessment in which the return was due. For the 2024/25 year of assessment, the IRD may issue an assessment up to 31 March 2031. However, if the IRD can prove fraud or wilful evasion, the limitation period extends to ten years under Section 60(1A). A late filer who has understated income by more than 25% should expect a full audit and a potential penalty of up to 100% of the tax undercharged under Section 82A.

Actionable Takeaways

1. File the late return immediately via eTAX or paper, including a written explanation of the delay and supporting evidence for a “reasonable excuse” claim, to qualify for a 50% penalty reduction under the IRD’s voluntary disclosure practice.
2. Compute the correct tax liability using the 2024/25 progressive rates and allowances, and attach a schedule of changes if income or deductions deviate by more than 15% from the prior year.
3. If an estimated assessment has been issued, lodge a written objection under Section 64(1) within one month of the assessment date, or request a payment extension under Section 79(1) with documented proof of financial hardship.
4. Gather all deduction receipts (self-education, home loan interest, MPF, charitable donations) before filing, as the IRD will not accept retroactive claims without supporting documentation during an audit.
5. For taxpayers with income exceeding HKD 2 million, engage a tax representative immediately to manage the increased risk of prosecution and to prepare for a potential IRD audit within the six-year assessment window.

Disclaimer: This article is for informational purposes only and does not constitute tax advice. Tax laws and regulations are subject to change. Readers should consult a qualified tax professional for advice tailored to their specific circumstances.