Mr. Liu, the owner of a cross-border e-commerce business in Shanghai, opened a personal account in Hong Kong in 2025 and received $2 million in payment for goods. He believed that ”a Hong Kong account = an overseas account = no need to report it to the mainland.” However, in March 2026, he received a CRS information exchange notice from the mainland tax authorities, requiring him to pay back taxes and late payment penalties on this income, totaling more than 1.8 million.

In April 2026, Hong Kong’s ”Taxation (Amendment) (Automatic Exchange of Information) Bill” was formally submitted to the Legislative Council for its first reading, marking the start of the legislative process for CRS 2.0 in Hong Kong. Key changes: Cryptocurrencies are now included in the reporting scope; ”full exchange” of information on dual tax residency; and “look-through” regulation that extends directly to beneficial owners. Your offshore accounts are no longer “invisible.”

In today’s post, we won’t delve into complex legal provisions—instead, we’ll provide you with a practical self-assessment checklist for determining your CRS tax residency status in 2026. By the end of this article, you’ll know: Are you a Chinese tax resident? Which of your assets will be subject to the information exchange? And what steps do you need to take to ensure compliance?

01

Are you a Chinese tax resident?

The prerequisite for CRS information exchange is the ”determination of tax residency status.” Whether you are a Chinese tax resident determines whether Chinese tax authorities have the authority to require you to report your worldwide income, and whether information about your foreign accounts will be exchanged with China.

Two Criteria for Chinese Tax Residency (Meeting either one is sufficient):

Criterion 1: The Residence Criterion. Having a residence within China means habitually residing in China due to household registration, family ties, or economic interests. In plain language: If your household registration is in China, your immediate family members are in China, and your primary assets are in China, you are a Chinese tax resident. Even if you live overseas for 365 days, as long as your ”habitual residence” is deemed to be in China, you are still a Chinese tax resident.

Criterion 2: Residency Period. An individual who does not have a domicile in China but has resided in China for a cumulative total of 183 days within a single tax year (January 1 through December 31). Note: The 183-day period is calculated on a cumulative basis, not consecutively. Each date of entry is counted; as long as the total number of days throughout the year exceeds 183, you are considered a Chinese tax resident.

Exception: The Six-Year Rule. If you do not have a domicile in China and have resided there for less than 183 days in total each year for six consecutive years (the preceding six years), or if you have been outside the country for more than 30 days at a time, you may be exempt from the obligation to pay individual income tax on income earned overseas. However, in the actual implementation in 2026, the application of this ”six-year rule” has been extremely strict; many people believed they qualified, but in fact did not.

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02

What Asset Information Is Exchanged Under CRS 2.0?

The key upgrades to CRS 2.0 in 2026 are ”expanded scope of assets” and ”enhanced look-through.” The following asset information will be exchanged:

Traditional Financial Assets:Bank deposit balances and interest income; account balances, dividends, and capital gains from stocks, mutual funds, and bonds; the cash value, dividends, and surrender proceeds of insurance products; and trust account balances and distribution records. These were already covered in the CRS 1.0 era and are nothing new.

New in 2026: Cryptocurrencies.Digital assets such as Bitcoin, Ethereum, stablecoins, and NFTs have been included in the reporting scope of CRS 2.0. Licensed crypto asset exchanges in Hong Kong (such as OSL and HashKey) are required to identify their customers’ tax residency status and report account information for non-Hong Kong tax residents to the Hong Kong Inland Revenue Department. The first exchange of crypto asset information will begin in 2028.

Transparent Exchange: The People Behind the Entities.If you hold financial assets through a BVI company, a Cayman Islands company, or a Hong Kong shell company, CRS 2.0 requires financial institutions to ”look through” to the ultimate beneficial owner (UBO). Shell companies, nominee structures, and offshore trusts—these traditional ”disguises”—will essentially become ineffective after 2026.

Dual Tax Registration: Full Data Exchange.In the past, if you were a tax resident of both China and Hong Kong, financial institutions could choose to report to only one jurisdiction. CRS 2.0 requires that reports be submitted to all relevant jurisdictions simultaneously. The loophole of using Hong Kong residency to evade mainland tax oversight has been completely closed.

03

2026 Self-Assessment Checklist: Five Steps to Verify Compliance Status

Step 1: Confirm your tax residency status.Ask yourself three questions: Where is my household registration? Where do my family members primarily reside? Where are my main sources of income and assets? If the answer to all three is ”China,” there is no doubt that you are a Chinese tax resident. If you have Hong Kong residency, ask yourself: Have I resided in Hong Kong for at least 180 days in a year? Do I have a permanent residence in Hong Kong? Are my primary economic interests in Hong Kong? If the answers are not all ”yes,” you are most likely still a Chinese tax resident.

Step 2: Take inventory of overseas assets.List all financial accounts you hold overseas: Hong Kong bank accounts, U.S. stock brokerage accounts, Hong Kong insurance policies, overseas mutual funds, cryptocurrency wallets, and offshore trusts. For each account, record the following: the institution where the account was opened, the account balance, and income for the 2025 tax year (interest, dividends, and capital gains).

Step 3: Check whether the declaration has been filed.If you have already reported your foreign income during the 2025 annual individual income tax settlement (March 1 to June 30, 2026), then you are in compliance. If you have not reported it, you will need to file a supplemental return. Deadline for filing a supplementary return: Generally, within three years after the end of the tax year to which the income pertains; however, if the tax authorities proactively discover the omission, there is no time limit.

Step 4: Assess the risk of having to pay back taxes.If you have not reported your foreign income, you must pay the following back taxes: Individual income tax (dividend tax at 20%, capital gains tax at 20%, and progressive tax rates on comprehensive income) + late payment penalty (0.05‰ per day, approximately 18% annualized) + fine (0.5 to 5 times the tax amount). If the amount is substantial, it is recommended that you proactively contact the tax authorities to conduct a ”self-inspection and supplementary filing”; this may result in a reduced fine.

Step 5: Establish a compliance mechanism.Starting in 2026, proactively report foreign income during the annual tax settlement. Keep records of all transaction histories, income statements, and tax payment receipts for foreign accounts. If an offshore structure is involved, ensure it has genuine commercial substance to avoid being classified as a ”tax avoidance arrangement.”

04

Four Types of People Are Most Likely to Trigger a CRS Alert

Category 1: Individuals with large financial accounts in Hong Kong or overseas.Account balances exceeding the equivalent of $1 million are a key focus for financial institutions. By 2026, the CRS identification rate for Hong Kong bank accounts will approach 100%, and information on high-value accounts will almost certainly be exchanged.

Category 2: Holding crypto assets.In 2026, licensed cryptocurrency exchanges in Hong Kong began implementing Know Your Customer (KYC) procedures, requiring users to provide their Tax Identification Number (TIN). Your cryptocurrency transaction records will be exchanged for the first time in 2028.

Category 3: Use of offshore structures.Financial assets held by BVI companies, Cayman Islands companies, and Hong Kong shell companies are subject to CRS 2.0 requirements that mandate looking through to the beneficial owner. If your offshore structure lacks genuine commercial substance, not only will you be unable to avoid taxes after 2026, but it will also be deemed a ”tax avoidance arrangement,” subjecting you to stricter penalties.

Category 4: Dual Tax Residents.Those who have obtained Hong Kong residency but primarily live on the mainland; those who hold Hong Kong permanent residency but have not canceled their household registration; and those who work in Hong Kong but have their families on the mainland. These ”gray areas” are no longer tenable under CRS 2.0—financial institutions must report to all relevant jurisdictions, and tax authorities will cross-verify the information; there’s no way to avoid it.

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