27 Jul 2026 · Vietnam VI

Citizenship · Capital · Global Mobility

The Legation Times

The Common Reporting Standard and international asset transparency

David Le David Le
Printed pages of charts on a desk, a laptop behind them.

The Common Reporting Standard is a mechanism for the automatic exchange of financial information between countries, making the assumption of confidentiality no longer valid. An analysis of the mechanism and its consequences for investors.

Fact Table

Verified Claim Source
Participating jurisdictions exchange specified financial-account information under the Common Reporting Standard. 1
Tax residence is determined under domestic law and applicable treaties, not simply by citizenship or a residence permit. 2

What is asset transparency CRS

CRS, short for Common Reporting Standard, is a mechanism developed by the Organisation for Economic Cooperation and Development (OECD) to automatically exchange financial information between countries. Together with the Automatic Exchange of Information Standard (AEOI), CRS is the foundation of the current international asset transparency trend.

Under this mechanism, financial institutions collect information about non-resident accounts and transfer it to the tax authority of the account holder's home country. In other words, information about an individual's account abroad can be automatically shared with the tax authority of that person's tax residence, without the need for a separate request.

How does CRS work?

Under the CRS asset transparency framework, banks and financial institutions in participating countries determine which country the account holder is a tax resident of, then report information about that account to the domestic tax authorities. This agency then exchanges data with the tax authority of the country where the account holder resides.

The result is a multilateral information exchange network in which account holders' balances, financial income, and identifying information are periodically shared. The number of countries participating in CRS has expanded significantly over the years, making the scope of application increasingly wide and difficult to avoid for people with assets in many places.

Consequences for the investment family

The biggest consequence of the asset transparency CRS is that the assumption of secrecy of foreign assets is no longer valid. Previously, some individuals believed that overseas assets were beyond the purview of domestic tax authorities; the automatic exchange mechanism has made that assumption obsolete in most cases.

For investment families, this means full disclosure becomes the safe default, rather than an option. Having accounts or assets abroad is not a problem; problems arise when those assets are not declared properly according to the requirements of the country where the individual has tax residence.

CRS and wrong assumption about second passport

A common misunderstanding is that a second passport or citizenship provides a layer of protection against the asset transparency CRS. In fact, CRS determines reporting obligations based on the account holder's tax residency, not nationality. Having an additional passport does not automatically change tax residence, and therefore does not provide any shielding per se.

In the context of increasingly strict information exchange mechanisms, the assumption that a second passport helps hide assets is false and costly. The real value of residency or second citizenship lies in travel rights and backup plans, not in avoiding financial transparency.

Prepare for compliance in a transparent environment

In an asset transparent CRS environment, the prudent approach is to proactively comply rather than seek to avoid it. This starts with clearly determining one's country of tax residence, then reviewing the foreign account and asset declaration obligations that country imposes.

For people with assets in many places, creating a complete picture of accounts, ownership structures and corresponding declaration obligations helps avoid omissions. This is an area that should be reviewed with a tax advisor who understands the relevant systems, because errors in declarations can lead to consequences even if there is no intention to evade taxes.

Verified at official source

Background information on the asset transparency CRS and the list of participating countries are published by the OECD, the body that develops this standard. Because the scope and details of application change over time as more participating countries are added, the updated information needs to be checked against this source, noting the date consulted.

For specific declaration obligations, the basis is the regulations of the individual's country of tax residence, which should be evaluated by a qualified tax advisor. This article provides information to ask the right questions and is not a substitute for personalized tax advice for each case.

Frequently asked questions

What is the CRS?

The CRS, or Common Reporting Standard, is the mechanism developed by the OECD for the automatic exchange of financial information between countries. Financial institutions collect information on the accounts of non-residents and pass it to the tax authority of the account holder's country of residence, forming the basis of international asset transparency.

How does the CRS affect assets held abroad?

The CRS makes any assumption of discretion around foreign assets untenable, because account information may be exchanged automatically with the tax authority of the country where the account holder is tax resident. Holding assets abroad is not the difficulty; the difficulty arises where they are not declared as required.

Does a second passport avoid the CRS?

It does not. The CRS establishes reporting obligations on the basis of tax residence, not of nationality. Acquiring a further passport does not of itself change where a person is tax resident, and so creates no shield. The assumption that a second passport conceals assets is both mistaken and expensive.

Sources: OECD: Common Reporting Standard · OECD: Tax residency

The Legation Times writes its content from published documents; nothing here is legal, tax or investment advice. Spotted an error? Send a correction request; for content rights, send a takedown request.

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