Hong Kong Passes Crypto Tax Reporting Law With 2027 Start

Third Reading Clears the Bill

Hong Kong's Legislative Council passed the Inland Revenue (Amendment) (Crypto-Asset Reporting Framework and Amendments to Common Reporting Standard) Bill 2026 on November 4, clearing its third reading and writing the OECD's crypto reporting standard into local law. The government's announcement confirms the timetable: covered crypto-asset service providers must begin collecting customer and transaction data in 2027, and the Inland Revenue Department will start automatically sharing that information with tax authorities in partner jurisdictions from 2028.

The data obligations are specific. Covered exchanges and brokers must record each customer's name, address, tax residency and tax identification number, together with records of crypto purchases and sales. That includes spot trading, swaps of one token for another and transfers out to external wallets, whether to a platform abroad or to a self-custody device such as a Tangem Mobile Wallet. Firms must also compile annual transaction totals for each customer. The department will pass those records only to jurisdictions where a customer is a tax resident, under terms of reciprocity and confidentiality, and customer information will not be made public.

The framework at the center of the bill is the OECD's Crypto-Asset Reporting Framework, released in October 2022 and designed to help governments identify crypto transactions that might otherwise go unreported for tax. Hong Kong introduced licensing requirements for crypto exchanges in 2023 and has since allowed licensed platforms to serve retail customers. The new law layers an outbound reporting duty onto that structure: from 2027, running a compliant venue in the city will also mean reporting customers to their home tax authorities. The bill covers crypto-to-crypto trades and wallet transfers as well as straightforward purchases and sales, so the data net is wider than a simple trade log.

Two Timelines, One Pipeline

The law runs on two clocks. The crypto-asset framework takes effect in 2027, with the first exchanges of information between tax authorities beginning in 2028. A second set of amendments, folded into the same bill, updates the OECD's Common Reporting Standard: those changes take effect in 2028 with exchanges starting in 2029, and they extend financial-account reporting to a wider set of digital financial products, including certain fund structures such as an ETF. Hong Kong has exchanged financial account information with overseas tax authorities under the Common Reporting Standard since 2018; the amendments close the crypto gap in a system that already runs.

Secretary for Financial Services and the Treasury Christopher Hui framed the law as a transparency measure, saying the rules would help combat cross-border tax evasion and that keeping pace with the latest international standard matters for Hong Kong's position as an international financial and business centre. The Inland Revenue Department said it will issue guidance and provide technical support to help firms comply.

The move tracks a wider adoption wave rather than leading it. The European Union brought the same OECD framework into law through its DAC8 directive, and Australia put its own version into draft legislation in October this year, with cross-border exchanges planned from 2028. Regional timing varies sharply: South Korea has postponed taxing crypto gains four times and may push the date to 2029, while France voted through a declaration requirement for self-custody holdings above 100,000 euros on the same day Hong Kong's bill cleared. Hong Kong's virtual asset market has also grown around its licensing regime, with retail access on licensed platforms and local banks beginning to issue Hong Kong dollar stablecoins, raising the granularity of tax data the market now expects. What the city chose is sequencing: adopt the international standard first, leave local taxation untouched. The bill creates no new tax; it builds the pipe that tax data will flow through.

For platforms, the work due before 2027 is data engineering, not tax engineering. Collecting tax residencies and identification numbers, logging token swaps and outbound wallet transfers, and deciding which jurisdiction receives a client's records when residency is disputed all require new reporting layers built on existing onboarding systems. International operators already run comparable machinery; for smaller Hong Kong venues the bill adds a real fixed cost. For customers, the change arrives in 2028, when records held on licensed Hong Kong platforms begin flowing automatically to their home tax authorities. Two documents will set the practical detail: the department's guidance on the scope of covered providers, which may or may not extend to custody, brokerage and over-the-counter desks, and the first list of exchange partners.