The Common Reporting Standard (CRS), developed by the OECD and implemented by more than 100 jurisdictions worldwide, represents the most significant shift in international tax transparency in a generation. Its automatic exchange of financial account information between tax authorities has eliminated much of the banking privacy that historically separated the offshore financial world from domestic tax authorities. For internationally mobile individuals — including those who have acquired second citizenships or changed their tax residency — understanding how CRS works and what it means for their financial and citizenship planning is essential.
This guide explains the mechanics of CRS, what financial information is exchanged, which jurisdictions participate, how it interacts with citizenship planning, and what due diligence it effectively imposes on residency and citizenship arrangements.
What CRS Is and How It Developed
The Common Reporting Standard was developed by the OECD following the political momentum created by the United States' Foreign Account Tax Compliance Act (FATCA), which from 2014 required foreign financial institutions to report information about US persons' accounts to the IRS. FATCA demonstrated that automatic information exchange between tax authorities was technically feasible at scale. OECD member states adapted the approach into a multilateral standard that allows information to flow automatically between participating jurisdictions — not just from the rest of the world to the United States.
CRS was formally adopted by the OECD Global Forum on Transparency and Exchange of Information in 2014 and was subject to a "Common Implementation" model, with early adopters beginning exchanges in 2017 and most others following in 2018. As of 2026, more than 110 jurisdictions participate in CRS exchanges.
Unlike FATCA (which flows primarily from foreign institutions to the US), CRS creates a web of bilateral exchanges: each participating jurisdiction sends financial account information to the jurisdictions where account holders are tax-resident.
How CRS Works: The Mechanics
What Financial Institutions Report
CRS requires "Reporting Financial Institutions" in each participating jurisdiction — broadly, banks, custodian institutions, investment firms, insurance companies with cash-value products, and other entities holding financial assets for account holders — to:
- Identify account holders who are tax-resident in other CRS-participating jurisdictions.
- Collect self-certification from account holders confirming their tax residency (and nationality in some cases).
- Report specified information to their local tax authority about those accounts.
- Transmit the information to the tax authorities of the jurisdictions where the account holders are tax-resident, via the local tax authority acting as a conduit.
The process is annual and automatic — the financial institution does not wait for a specific request from a foreign tax authority.
What Information Is Exchanged
The information exchanged under CRS includes:
- Account holder identity: name, address, date of birth, tax identification numbers (TINs), and country of tax residence
- Account information: account number, institution name, account balance or value at year end
- Income information: dividends, interest, gross proceeds from sales of financial assets credited to the account during the year
For accounts held by entities (companies, trusts, foundations), CRS requires identification and reporting in respect of the controlling persons — the beneficial owners behind the entity structure.
The Self-Certification Process
When opening an account, account holders are asked to complete a CRS self-certification form declaring their tax residency jurisdiction(s). Financial institutions are required to obtain this self-certification and, where the declared residency is different from what the institution's own records suggest (for example, a mailing address in a different country), to apply further scrutiny.
Account holders are required by law in most jurisdictions to provide accurate self-certification. Providing false information on a CRS self-certification — for example, declaring residency in a zero-tax jurisdiction to prevent information being sent to a high-tax home country — is a criminal offence in most participating jurisdictions.
CRS Non-Participating Jurisdictions: The Information Gaps
CRS coverage is extensive but not universal. Notable non-participants as of 2026 include:
The United States. The US has not adopted CRS. It operates FATCA as its equivalent system, but FATCA flows primarily towards the US (collecting information about US persons). The US does not send equivalent CRS-style information about non-US persons' US accounts to other countries' tax authorities under a multilateral framework. This creates an asymmetry: information about accounts held by US-resident non-citizens may not flow from the US to other countries with the same automaticity as CRS creates elsewhere.
A small number of other jurisdictions including some smaller Pacific nations and certain territories have either not implemented CRS or are in various stages of adoption.
It is sometimes suggested that the US's non-participation in CRS creates planning opportunities — that holding accounts in the US avoids CRS reporting to a high-tax home country. While technically accurate in a narrow sense, this approach ignores several important caveats: the US does share information under bilateral tax treaties and TIEA agreements on request; US financial institutions conduct their own AML and compliance due diligence; and tax authorities in high-tax jurisdictions are aware of the asymmetry and may treat undisclosed US accounts with particular scrutiny.
How CRS Interacts With Citizenship and Residency Planning
The Residency Self-Certification Determines Where Information Flows
Under CRS, information flows to the jurisdiction(s) where the account holder is tax-resident — not to the country of citizenship. A British citizen who is genuinely tax-resident in Dubai will, if they self-certify accurately as UAE-resident, have their account information reported to the UAE authorities. Because the UAE currently does not impose personal income tax, receiving that information has no immediate tax consequence for the individual.
The same British citizen, if they incorrectly self-certify as UAE-resident while actually being UK-resident (spending more than the UK Statutory Residence Test thresholds in the UK, with their principal home there), is providing false self-certification. The UK will not receive CRS information about those accounts — but the discrepancy between declared residence and actual circumstances can be investigated if the individual files UK tax returns that do not reconcile with their lifestyle.
New Citizenship Can Trigger CRS Re-Certification
When an account holder acquires a new citizenship — particularly through a CBI programme — financial institutions may ask for updated self-certification as part of their periodic due diligence. This is an opportunity but also an obligation: the account holder must disclose accurately. The acquisition of a new citizenship does not change the tax residency question for CRS purposes (which is determined by residency, not citizenship), but it may be noted in the institution's records as a change in circumstances.
The "Change of Residence" Loophole: Why It Is Not Actually a Loophole
There has been discussion in investment migration circles about whether an individual can restructure their residency to divert CRS reporting away from their home country's tax authority. The theory: if you establish residency in a CRS-non-reporting territory or a zero-tax country and update your bank self-certifications accordingly, CRS information flows there rather than to your high-tax home country.
This is not a robust planning strategy for several reasons:
Tax residency is determined by fact, not declaration. An individual who declares residency in the UAE on their bank self-certifications but actually lives primarily in the UK is UK tax-resident under the Statutory Residence Test regardless of what they have told their bank. They are still liable to UK tax on worldwide income.
AML and substance checks. Financial institutions apply their own enhanced due diligence where a customer's declared residence does not match their actual footprint (mailing address, home address, frequent transactions in a different country). An individual declaring UAE residence while making all their transactions in London and living in a UK property will face questions.
Treaty information exchange. Even jurisdictions that do not participate fully in CRS often have tax information exchange agreements (TIEAs) or bilateral double-tax treaties that include information exchange provisions. Tax authorities in high-tax countries can request information on request in many circumstances.
CRS expansion and enhanced scrutiny. OECD has progressively expanded CRS coverage and has published "Black Lists" of jurisdictions whose CRS implementation is considered inadequate. Participation in a programme or structure designed to circumvent CRS can attract regulatory attention.
CRS and the New Residency: Genuine Reporting to the New Jurisdiction
For individuals who have genuinely changed their tax residency — left the UK, Germany, or another high-tax country and established genuine residency in a territorial or zero-tax jurisdiction — CRS reporting flows accurately to the new jurisdiction. Where the new jurisdiction imposes no or low income tax, the receipt of CRS information does not generate a tax demand.
The key requirement is that the residency change must be real: physical presence, a genuine home, severance of the prior residency under the applicable statutory test. CRS creates a de facto verification mechanism: if you claim to have left a high-tax country, but CRS information about your accounts continues to flow to that country because your bank still has your old address on file and you have not updated your self-certifications, you are receiving a signal that something in your residency documentation is incomplete.
Practical Steps for CRS Compliance
Update self-certification with all financial institutions when your tax residency changes. This includes banks, investment accounts, insurance policies, and any other account covered by CRS.
Obtain a Tax Identification Number (TIN) in your new jurisdiction — many institutions require a TIN for self-certification purposes, and a valid TIN confirms that you are properly registered in the new jurisdiction.
Obtain a tax residency certificate from the tax authority of your new jurisdiction of residency. While not always required for self-certification purposes, a tax residency certificate is strong evidence of genuine residency and may be requested by financial institutions conducting enhanced due diligence.
Ensure beneficial ownership declarations for any corporate structures or trusts are accurate — CRS applies to controlling persons of entities, not just individual account holders.
Maintain records of your day counts and residency evidence — where you lived, when, and for how long — so that any inquiry from a tax authority can be addressed accurately.
How Global Investments Can Help
Global Investments provides clients with a clear picture of their CRS reporting obligations as part of the citizenship and residency planning process. We ensure that clients understand what information their financial institutions will report, to which jurisdictions, and what that means for their tax compliance in both their previous and new jurisdictions of residence.
We work with international tax advisers to coordinate the self-certification update process when residency changes, and to ensure that all aspects of the client's financial profile are consistent and accurately reflect their genuine circumstances.
Contact our team to discuss how CRS applies to your specific residency and citizenship situation.
This guide is for general educational information only. CRS rules are subject to change and their application is jurisdiction-specific. Nothing in this guide constitutes tax or legal advice. Qualified professional advice in all relevant jurisdictions is essential.
This guide is for general information only and does not constitute legal, financial or immigration advice. Programme details change; verify current requirements with a qualified immigration lawyer before making any investment or application. Investment values can fall as well as rise.