The OECD real estate reporting framework represents a structural expansion of global tax transparency, bringing immovable property into automatic cross-border information exchange.
Through the Multilateral Competent Authority Agreement on the Exchange of Readily Available Information on Immovable Property (IPI MCAA), tax authorities can now systematically share data on foreign-owned real estate.
This reduces opacity in one of the last major asset classes outside international reporting standards.
Early pledges come from a mix of European, Latin American, African, Asian, and Oceania jurisdictions.
Key Takeaways:
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The Organisation for Economic Co-operation and Development (OECD) is focusing on real estate because it has historically fallen outside the scope of international tax transparency standards.
This has remained the case despite real estate representing a significant store of international wealth.
For more than a decade, transparency efforts have concentrated on financial assets—bank accounts, securities, and investment funds under FATCA and CRS, with crypto assets now captured through CARF.
Real estate, by contrast, remained fragmented across domestic land registries, municipal tax offices, and corporate vehicles. Hence, capital mobility increased, but property visibility did not.
From the perspective of the OECD, this gap became untenable for three reasons:
The move toward real estate transparency is practical. Property data already exists—what was missing was cross-border connectivity.
The OECD real estate tax transparency reporting framework is a standardized approach for collecting and automatically exchanging information on immovable property between tax authorities.
Rather than imposing an entirely new reporting regime on taxpayers at the outset, the framework is built around readily available information.
That means data that governments already hold or can access without fundamental system redesign.
This typically includes:
The framework’s innovation lies in data integration. Property information that once remained domestically contained is now formatted, standardized, and exchanged across borders.
The IPI MCAA is the legal mechanism that enables countries to exchange real estate information automatically and multilaterally.
Formally known as the Multilateral Competent Authority Agreement on the Exchange of Readily Available Information on Immovable Property, it functions in a similar manner to CRS-related agreements.
However, IPI MCAA applies to property instead of financial accounts.
From a governance standpoint, the agreement offers several advantages:
Crucially, the agreement does not require every participating country to exchange with every other country immediately.
Pairings are activated progressively, allowing the network to expand organically.
It is the routine, systematic sharing of property-related data between tax authorities without the need for a specific enquiry or investigation.
Once exchanges are activated, participating jurisdictions may receive information such as:
Unlike traditional information exchange on request, this process is proactive rather than reactive. Authorities do not need suspicion to receive data; visibility is built into the system.
This represents a shift in enforcement, as foreign property ownership is treated as inherently reportable, not exceptional.
The OECD reporting rules for real estate complement existing international tax transparency standards rather than replace them.
Taken together, the OECD’s initiatives now cover:
The direction of travel is consistent. Each framework targets an asset class that was previously fragmented, under-reported, or jurisdictionally siloed.
From a policy perspective, the message targets asset class neutrality. Whether wealth sits in cash, securities, tokens, or land, the expectation is that it will be visible somewhere in the system.
The IPI MCAA countries list continues to expand but primarily includes those already aligned with OECD transparency standards, such as France, Singapore, Canada, and the Netherlands.
Below are the 26 jurisdictions that publicly committed to implement the IPI MCAA, aiming to join by 2029/2030, based on the OECD’s joint statement and subsequent reporting:
| Belgium | Indonesia |
| Brazil | Ireland |
| Chile | Italy |
| Costa Rica | Korea (Republic of) |
| Finland | Lithuania |
| France | Malta |
| Germany | New Zealand |
| Greece | Norway |
| Iceland | Peru |
| Portugal | Romania |
| Slovenia | South Africa |
| Spain | Sweden |
| United Kingdom | Gibraltar |
Countries most likely to participate share common characteristics:
That said, participation is not uniform. Differences exist in:
These variations matter. In the short to medium term, they create asymmetric transparency, where some jurisdictions exchange more data than others.
For planners, understanding these nuances is essential—but relying on them indefinitely is not a strategy.
While the IPI MCAA is designed to expand automatic information exchange, participation is currently not universal.
Some jurisdictions have not yet signed on, and others may be outside the scope of existing frameworks such as CRS or CARF.
So, can you not report? Only temporarily.
If a property is located in an IPI MCAA country, reporting is mandatory for local custodians, registries, and financial institutions.
Non-compliance can trigger penalties, audits, or restrictions on cross-border transactions.
Properties held in countries not yet participating are not automatically exchanged under the IPI MCAA.
While this may temporarily reduce transparency, it does not exempt investors from tax obligations in their home countries.
Domestic tax authorities may still require disclosure of foreign property holdings.
OECD real estate tax transparency does not prohibit offshore property ownership, but it removes opacity as a structural advantage.
Historically, many international property arrangements relied on the assumption that foreign tax authorities would struggle to detect or contextualize overseas real estate holdings.
Such assumption is now weakening.
As exchanges mature, authorities can more easily:
This does not mean all offshore property structures are flawed. It does mean that structures must now be defensible, not merely discreet.
The Shift From Concealment to Coherence
At a strategic level, the OECD’s real estate initiative signals a broader reframing of international planning.
The old paradigm rewarded complexity. Multiple layers, jurisdictions, and intermediaries increased friction for enforcement.
The new paradigm rewards coherence where ownership, control, use, and tax reporting tell a consistent story across borders.
This means:
For globally mobile individuals, this is less a restriction than a recalibration. Planning remains possible, but it operates within clearer informational boundaries.
Real estate was never invisible because governments lacked data but because data stopped at borders.
Land registries, cadastral systems, and municipal tax databases were designed for domestic administration, not international exchange. The IPI MCAA bridges that design gap.
Once property data is standardized and exchanged, it becomes analytically powerful, especially when combined with CRS data, migration records, and corporate registries.
This is why the OECD’s move matters as it converts static domestic records into dynamic cross-border intelligence.
Practical Implications for Expats and International Investors
For expats, second-home owners, and internationally diversified families, the implications are practical rather than theoretical.
Key questions now include:
Answering these questions early is far less costly than addressing them after an enquiry.
The OECD real estate reporting framework and IPI MCAA bring immovable property fully into international tax transparency standards, ending its status as a structurally obscure asset class.
For investors and advisors, the real risk is not transparency itself, but misalignment—between structures built for yesterday’s environment and today’s enforcement reality.
In a world of automatic exchange, good planning is no longer about avoiding visibility but ensuring that visibility makes sense.
Yes. Multilateral agreements are legally binding for the countries that sign and ratify them.
Once ratified, participating states are obligated to comply with the terms under international law, and failure to do so may lead to diplomatic consequences or sanctions.
Multilateral agreements offer several benefits:
• Standardization: Create uniform rules across multiple countries.
• Efficiency: Reduce the need for numerous bilateral agreements.
• Predictability: Provide clarity for cross-border activities like taxation, trade, or investment.
• Cooperation: Facilitate collective action on global issues, such as tax transparency or environmental standards.
Immovable property refers to assets that are permanently fixed to a location, making them immobile.
Examples include land, buildings, and structures permanently attached to land, as in houses, apartments, plots, and certain legal rights tied to real estate.
The Common Reporting Standard (CRS) applies to financial institutions and their account holders in participating jurisdictions. It primarily targets:
• Individuals and entities with tax residence in CRS-participating countries
• Foreign account holders whose financial information must be reported to their home tax authority
US persons with foreign accounts and foreign financial institutions holding accounts for US persons. Reporting is done via Form 8938 or through FATCA-compliant financial institutions.
Very few jurisdictions do not report to FATCA, usually because they haven’t signed an Intergovernmental Agreement with the US, such as Afghanistan, Jordan, and Egypt.
Even in these cases, US taxpayers are still legally required to disclose their foreign accounts to the IRS.