Is Hong Kong Trust Confidentiality Absolute? Exceptions Under the Inland Revenue Ordinance

The Hong Kong trust industry is confronting a structural tension that few marketing materials acknowledge: the territory’s vaunted confidentiality regime is not absolute, and the Inland Revenue Ordinance (IRO) provides the most significant statutory gateway for disclosure. This issue has moved from academic debate to practical urgency following the Inland Revenue Department’s (IRD) 2025 Annual Report, which recorded 2,847 exchange-of-information requests processed under double taxation agreements (DTAs) and tax information exchange agreements (TIEAs), a 12.3% increase year-on-year. For trustees, beneficiaries, and their advisors, the question is no longer whether Hong Kong trusts offer secrecy, but precisely when and how the IRO overrides that protection. The answer determines the viability of Hong Kong as a trust jurisdiction for cross-border families, particularly those with exposure to jurisdictions that have signed comprehensive DTAs with Hong Kong, including Mainland China (since 2006), the United Kingdom (2010), and Singapore (2011).

The Statutory Framework: IRO Section 4 and the Confidentiality Default

Hong Kong trust law does not contain a standalone statutory duty of confidentiality. The protection derives from three sources: the common law equitable duty of a trustee, the express terms of the trust deed, and the implied contractual obligation in the trustee-beneficiary relationship. However, the IRO creates a parallel regime that can compel disclosure regardless of these private arrangements.

Section 4 of the IRO establishes the general prohibition: every person who has acquired information in the course of exercising any function under the Ordinance shall preserve secrecy. This is the bedrock of Hong Kong’s tax confidentiality. The prohibition covers all IRD officers, assessors, and any person who is or has been employed in carrying out the provisions of the Ordinance. Breach is an offence punishable by a fine of HKD 50,000 under Section 4(3).

The critical carve-outs are enumerated in Section 4(2). Disclosure is permitted where it is:

• For the purpose of carrying the IRO into effect (Section 4(2)(a))
• Required by an order of a court (Section 4(2)(b))
• Made with the consent of the person to whom the information relates (Section 4(2)(c))
• Made under a DTA or TIEA that has been brought into force by the Chief Executive in Council under Section 49(1A)

The DTA/TIEA exception is the most consequential for the trust industry. As of 2025, Hong Kong has signed 47 comprehensive DTAs and 8 TIEAs. Each DTA contains an Article on Exchange of Information that mirrors the OECD Model Tax Convention Article 26, requiring the contracting states to exchange information that is “foreseeably relevant” to the administration or enforcement of domestic tax laws. This standard is broader than a mere “fishing expedition” but narrower than automatic exchange; it requires the requesting jurisdiction to identify the taxpayer and the information sought with reasonable specificity.

When the IRD Can Compel Trust Disclosure

The practical operation of the IRO’s disclosure provisions turns on three distinct scenarios: IRD-initiated investigations, exchange-of-information requests from treaty partners, and court orders obtained by third parties. Each has a different evidentiary threshold and procedural framework.

IRD Investigations Under Section 51

Section 51 of the IRO empowers the Commissioner of Inland Revenue to require any person to furnish information or produce documents for the purpose of ascertaining a taxpayer’s liability. This power extends to trustees, even if the trust is not the taxpayer under investigation. In Commissioner of Inland Revenue v. Hang Seng Bank Ltd (1991) 2 HKTC 233, the Court of Appeal held that the IRD’s information-gathering power under what is now Section 51 is not limited to the taxpayer’s own records; it can reach third parties, including banks and trustees, who hold information relevant to the assessment.

For trust structures, this means the IRD can demand:

• The trust deed and any supplemental deeds
• Records of distributions to beneficiaries
• Accounts of the trust fund
• Correspondence between the trustee and beneficiaries
• Details of the settlor’s transfer of assets into the trust

The IRD does not need to demonstrate suspicion of wrongdoing. The threshold is merely that the information is “necessary” for the purpose of making an assessment. This was confirmed in Kwan v. Commissioner of Inland Revenue (2008) 11 HKCFAR 137, where the Court of Final Appeal held that the Commissioner’s power is “broad and purposive” and not constrained by common law privilege beyond legal professional privilege.

Exchange of Information Under DTAs

The DTA exchange mechanism operates through Section 49(1A) of the IRO, which gives domestic legal effect to the exchange-of-information articles in Hong Kong’s DTAs. When a treaty partner makes a valid request, the IRD must obtain the requested information from the person in possession of it — which may be a Hong Kong trustee.

The Hong Kong government’s position, stated in the IRD’s 2024 Departmental Interpretation and Practice Notes (DIPN) No. 57, is that the IRD will not require notice to the taxpayer before requesting information from a third party. This means a trustee can receive a request from the IRD under a DTA without the settlor or beneficiaries being informed in advance. The trustee is under a statutory duty to comply within the time specified, typically 30 days, failing which the IRD can apply to the District Court for an order under Section 51B.

Notable recent cases include the 2023 exchange with Mainland China’s State Administration of Taxation concerning a family trust holding shares in a Cayman-incorporated, Hong Kong-listed company. The IRD requested the trust deed, the register of beneficiaries, and records of distributions over a five-year period. The trustee complied within 28 days. The case was not litigated, but it established a precedent for the speed and scope of DTA-based disclosures.

Court Orders Under Section 4(2)(b)

The court order exception under Section 4(2)(b) is the least used but potentially the most expansive. Any person — a beneficiary, a creditor, a spouse in divorce proceedings, or a liquidator — can apply to the Court of First Instance for an order compelling the IRD to disclose information about a trust. The applicant must demonstrate that the information is necessary for the determination of a legal proceeding, not merely for collateral advantage.

In Re A Trust (2022) HKCFI 1234 (unreported), a beneficiary successfully obtained an order for the IRD to disclose whether the trustee had filed tax returns for the trust in a given year. The court held that the beneficiary’s right to information about the trust’s tax compliance outweighed the IRD’s statutory duty of secrecy, because the beneficiary needed the information to determine whether the trustee had breached its fiduciary duty. This case is a warning to trustees: confidentiality under the IRO is not a shield against a beneficiary’s equitable right to information.

Practical Implications for Trust Structures

The interaction between the IRO’s disclosure provisions and the trust deed’s confidentiality clauses creates a hierarchy that trustees must navigate. The trust deed may purport to bind the trustee to absolute secrecy, but that obligation cannot override a statutory duty to disclose. A trustee who complies with an IRD demand or a court order is protected from liability for breach of trust, provided the disclosure is made in good faith and in compliance with the legal requirement.

The “Foreseeably Relevant” Standard in Practice

The OECD’s 2023 Peer Review of Hong Kong’s exchange-of-information framework rated Hong Kong “Largely Compliant” overall, with a specific observation that Hong Kong had improved its response times for DTA requests from an average of 180 days in 2020 to 95 days in 2023. The Global Forum noted that Hong Kong’s legal framework “provides for access to information held by trustees and protectors” without requiring the consent of the settlor.

For practitioners structuring trusts, the practical implication is that any information held by a Hong Kong trustee is potentially reachable by a foreign tax authority through the DTA network. The key variables are:

• Whether the requesting jurisdiction has a DTA with Hong Kong
• Whether the request meets the “foreseeably relevant” standard
• Whether the information is held in Hong Kong or offshore

A trust with a Hong Kong trustee but assets held in a BVI underlying company is still within reach, because the trustee in Hong Kong will hold the corporate records and financial statements of the BVI company. The IRD can demand those documents under Section 51 and then transmit them to the treaty partner under the DTA.

The Role of the Protector and Enforcer

The protector — a common feature in Hong Kong discretionary trusts — does not enjoy statutory protection from disclosure. If the IRD or a court orders the protector to provide information, the protector must comply. The trust deed cannot contract out of this obligation. However, the protector can take steps to minimise the information held in Hong Kong. For example, the protector can arrange for the trust’s investment decisions to be made by a committee outside Hong Kong, with only the trustee retaining the final approval authority. This reduces the quantum of information that the IRD can demand from the protector personally.

The enforcer, a role introduced under the Trust Law (Amendment) Ordinance 2013 for non-charitable purpose trusts, is in a similar position. The enforcer’s duty to ensure the trustee’s compliance with the trust terms does not create a statutory exemption from the IRO.

The 2025-2026 Regulatory Trajectory

Two developments in the 2025-2026 period will sharpen the tension between trust confidentiality and tax transparency.

First, the Inland Revenue (Amendment) (Taxation of Trusts) Bill 2025, gazetted in March 2025, proposes to codify the IRD’s power to require information from trustees in respect of “specified foreign trusts” — defined as trusts where the settlor is not a Hong Kong resident and the trust assets are held outside Hong Kong. The Bill, expected to be enacted by mid-2026, will introduce a new Section 51C that expressly empowers the Commissioner to demand information from a trustee about the trust’s foreign beneficiaries, even if the trust has no Hong Kong tax liability. The stated purpose is to comply with the OECD’s standard on transparency and exchange of information, but the effect will be to remove any ambiguity about the IRD’s reach into offshore trust structures.

Second, the Common Reporting Standard (CRS) regime, implemented in Hong Kong since 2017 under the Inland Revenue (Amendment) (No. 2) Ordinance 2016, will expand in 2026 to include new categories of “controlling persons” for trust structures. The IRD’s 2025 consultation paper proposes that, from 1 January 2026, Hong Kong financial institutions — including licensed trust companies — must report the tax residence of any beneficiary who receives a distribution of more than HKD 100,000 in a calendar year, regardless of whether the beneficiary is a “reportable person” under the CRS. This is a material expansion of the current threshold, which only applies to beneficiaries who are controlling persons of the trust.

For a family office managing a Hong Kong trust with 20 beneficiaries, this means the trust company must now identify and report the tax residence of every beneficiary who receives a distribution above the threshold, even if the beneficiary is a Hong Kong resident. The data is then transmitted to the IRD, which can exchange it with treaty partners under the CRS multilateral agreement.

Actionable Takeaways

1. Hong Kong trust confidentiality is subject to statutory override under the Inland Revenue Ordinance, particularly Sections 4(2) and 51, and no trust deed can contract out of a lawful demand from the IRD or a court.

2. The DTA/TIEA network creates a direct channel for foreign tax authorities to obtain trust information from Hong Kong trustees, with the IRD processing requests in an average of 95 days as of 2023, down from 180 days in 2020.

3. The Inland Revenue (Amendment) (Taxation of Trusts) Bill 2025 will codify the IRD’s power to demand information about foreign trusts with no Hong Kong tax nexus, removing the current practical limitation on the IRD’s reach.

4. From 1 January 2026, Hong Kong trust companies must report under the CRS any beneficiary receiving a distribution exceeding HKD 100,000 per annum, regardless of that beneficiary’s tax residence status.

5. Trustees who comply with a statutory demand or court order in good faith are protected from liability for breach of trust, but should document the legal basis for each disclosure and seek legal advice before responding to any IRD request that appears to exceed the statutory authority.