海外資産開示と税務申告:米国法人向けガイド

カテゴリー:
会計・記帳業務
公開日:
December 11, 2025

目次

お問い合わせ
ありがとうございます。送信が完了しました。
送信中にエラーが発生しました。

ワンストップで、
グローバルな解決策を

確かな自信と明瞭な視点で、クロスボーダービジネスを支援します。
相談を予約する

For U.S. businesses and investors, foreign asset disclosure is a crucial component of tax compliance, yet it remains one of the most commonly overlooked areas. With the IRS increasingly focusing on FATCA and Form 8938, failing to disclose foreign assets can lead to significant penalties and legal complications. 

Understanding these regulations is essential to safeguarding your financial and business interests.

This blog will walk you through everything you need to know about IRS foreign asset disclosure, including the intricacies of FATCA and the specific reporting requirements for assets held. Let’s get started. 

Key Takeaways

  • Foreign Asset Disclosure is Essential: Accurate reporting of foreign assets is vital for U.S. taxpayers. Non-compliance can result in severe financial penalties and legal consequences.
  • FBAR and Form 8938 Filing Requirements: U.S. taxpayers must file Form 8938 and FBAR if foreign assets exceed certain thresholds. Both forms have different filing processes and penalties for non-compliance.
  • Penalties for Non-Disclosure: Penalties for failing to report foreign assets include fines up to $100,000 for willful violations, and criminal charges for intentional non-compliance.
  • FATCA’s Impact: The Foreign Account Tax Compliance Act (FATCA) strengthens reporting requirements for U.S. taxpayers with foreign assets, enhancing the IRS’s ability to detect and prevent tax evasion.
  • Stay Compliant and Avoid Risks: Following IRS guidelines and filing foreign asset reports accurately can help prevent costly penalties, IRS scrutiny, and potential criminal charges.

What is a Foreign Financial Asset?

A foreign financial asset refers to any financial asset held or maintained outside of the United States. These assets are key for accurate tax reporting and include various forms, such as:

  • Foreign Bank Accounts: Savings, checking, or other accounts held with foreign financial institutions.
  • Foreign Securities: Stocks, bonds, or securities issued by non-U.S. entities.
  • Interests in Foreign Entities: Ownership in foreign corporations, partnerships, or trusts.
  • Foreign Mutual Funds: Investment funds that pool capital to purchase foreign securities.
  • Foreign Real Estate: Property located outside the U.S., especially if held through foreign entities.
  • Foreign Partnership Interests: Ownership in foreign partnerships.
  • Foreign Financial Instruments: Contracts or financial instruments issued by foreign parties.

The IRS requires U.S. taxpayers, including citizens, green card holders, residents, and business entities, to disclose foreign financial assets if they exceed the reporting thresholds. Form 8938 (Statement of Specified Foreign Financial Assets) helps track foreign financial assets and ensure compliance with tax obligations.

Also Read: IRS Wage Garnishment: How to Prevent and Fix It

Now that we understand what constitutes a foreign financial asset, let’s look at why reporting these assets is so important.

Why Is Foreign Asset Disclosure Important?

Why Is Foreign Asset Disclosure Important?

The IRS has significantly increased its efforts to identify unreported offshore assets due to concerns over tax evasion and money laundering. As part of this, FATCA and global tax treaties now require foreign banks to report U.S. account holders to the IRS.

Failing to disclose foreign assets, such as bank accounts, real estate, or investments, can lead to serious consequences:

  • Severe financial penalties: Penalties can reach up to 50% of the account balance.
  • IRS audits and tax investigations: Failure to report assets often triggers thorough IRS scrutiny.
  • Asset seizures and frozen bank accounts: The IRS may seize assets or freeze accounts if foreign assets are not disclosed.
  • Criminal charges for tax evasion: Non-disclosure can lead to criminal investigations and charges.

Staying compliant with foreign asset reporting requirements is essential to avoid these risks and prevent unwanted IRS scrutiny.

With the stakes clear, it’s essential to understand how IRS Form 8938 plays a key role in this process.

Why IRS Form 8938 Matters

IRS Form 8938 is a critical tool in the U.S. government’s effort to curb tax evasion through foreign financial assets. While similar to the FBAR (FinCEN Form 114), Form 8938 has distinct reporting requirements and thresholds. 

This form, part of the Foreign Account Tax Compliance Act (FATCA), ensures U.S. taxpayers disclose their foreign financial holdings to the IRS.

Who Needs to File Form 8938?

IRSが定める報告基準額を超える外国金融資産を保有する特定の個人または特定の国内事業体は、フォーム8938(Form 8938)を提出しなければなりません。

  • 特定の個人には、米国市民、居住外国人、または居住者として扱われることを選択した非居住外国人が含まれます。
  • 特定の国内事業体には、主に外国金融資産を保有するために設立された特定の国内法人、パートナーシップ、信託などが含まれます。

報告基準額

IRSは、申告ステータスと居住地に基づき、具体的な報告基準額を定めています。これらの基準額は、フォーム8938の提出が必要となる条件を決定するものです。

Filing Status

Living in the U.S.

Living Abroad

Single / Married Filing Separately

More than $50,000 at year-end, or more than $75,000 during the year

More than $200,000 at year-end, or more than $300,000 during the year

Married Filing Jointly

More than $100,000 at year-end, or more than $150,000 during the year

More than $400,000 at year-end, or more than $600,000 during the year

IRSフォーム8938を正確に報告することは、米国の税法を遵守し、外国金融資産に関する透明性を確保するために不可欠です。

米国納税者はフォーム8938に加え、信託、事業持分、外国法人の所有権といった外国資産を報告するために、追加のフォーム提出を求められる場合があります。

Asset Type

Threshold

Form to File

Foreign Trusts and Gifts

Gifts from foreign individuals exceeding $100,000

Form 3520 & Form 3520-A

Ownership in a Foreign Corporation

U.S. taxpayers with at least 10% ownership in a foreign corporation

Form 5471

Foreign Partnerships and Business Interests

At least 10% ownership in a foreign partnership, or transferring $100,000+ to a foreign corporation

Form 8865 (partnership) & Form 926 (foreign transfers)

こうした追加の報告要件を常に把握しておくことは、米国の税法を完全に遵守し、外国資産の保有に関連する問題を回避する助けとなります。

関連記事:IRSの初回ペナルティ免除:米国企業のための重要な洞察と戦略

次に、この要件が免除される可能性がある状況について見ていきましょう。

フォーム8938の提出免除

外国金融資産を持つ多くの米国納税者にはフォーム8938の提出義務がありますが、考慮すべき重要な免除規定がいくつか存在します。

  • 免除対象となる外国資産:特定の外国金融資産は、特に海外在住の米国市民の場合、報告が免除されることがあります。特定の条件を満たせば、これらの資産を開示する必要はありません。
  • 報告基準額未満:外国資産の合計額が報告基準額を下回る場合、フォーム8938を提出する義務はありません。この基準額は、申告ステータスや居住地(米国内か海外か)によって異なります。
  • 確定申告の義務がない場合:確定申告の義務がない納税者は、外国金融資産を保有していてもフォーム8938を提出する必要はありません。
  • 特定の国内事業体:パートナーシップや法人など、一部の国内事業体は、外国金融資産を保有していてもフォーム8938の提出が免除されます。

ただし、フォーム8938の提出が免除される場合でも、FBAR(FinCENフォーム114)など、外国金融資産を報告するための他のフォームが必要となる可能性があります。

混乱を避けるため、フォーム8938とFBARの提出における主な違いを比較してみましょう。

フォーム8938とFBAR(FinCEN 114)の違い

多くの納税者がフォーム8938とFBARを混同しています。どちらも外国金融資産に関するものですが、ルール、基準額、提出プロセスは異なります。

Requirement

FBAR (FinCEN Form 114)

FATCA (IRS Form 8938)

Who Must File

U.S. persons with foreign bank or financial accounts

U.S. taxpayers with foreign assets that exceed specific reporting thresholds

Threshold

More than $10,000 across all foreign accounts at any time in the year

Starts at $50,000 for single filers and $100,000 for joint filers, with higher limits for taxpayers abroad

Where It’s Filed

Filed through the FinCEN BSA E-Filing System and submitted separately

Filed with the taxpayer’s annual IRS income tax return

Covered Assets

Foreign bank, brokerage, and financial accounts only

Broader list including stocks, bonds, mutual funds, pensions, and foreign business interests

Level of Detail Required

Requires basic account information with fewer documentation details

Requires detailed asset information, including type, value, and foreign institution name and address

Filing Deadline

Due April 15 each year, with an automatic extension to October

Due with the annual tax return based on the taxpayer’s filing deadline

フォーム8938は、より広範な外国資産を対象とし、年次確定申告の一部としてより詳細な報告が求められます。一方、FBARは外国口座のみを対象としており、独自の提出プロセスがあり、確定申告が不要な場合でも適用されます。

注意:両方の基準を満たす納税者は、両方のフォームを提出し、同じ口座が一貫して報告されていることを確認する必要があります。

関連記事:スケジュールK-1(フォーム1065)の理解

提出すべきフォームを把握したところで、外国資産を正しく報告するための手順を解説します。

How to Report Foreign Assets

How to Report Foreign Assets

Reporting foreign assets is a critical step in ensuring compliance with U.S. tax and financial disclosure regulations. Here’s a streamlined guide for U.S. taxpayers on how to report foreign financial assets:

1. Determine Your Filing Requirements

Not all U.S. taxpayers must report foreign assets. If the combined value of your foreign financial accounts exceeds $10,000 at any point during the year, you must file FinCEN Form 114, the Report of Foreign Bank and Financial Accounts (FBAR). This is filed electronically with FinCEN, not the IRS.

2. File Form 8938

If your foreign assets meet specific thresholds, you must file Form 8938, the Statement of Specified Foreign Financial Assets, with your tax return (usually Form 1040). This provides more details on your foreign financial assets. 

Any income earned from your foreign assets, such as interest, dividends, or rental income, must also be reported on your U.S. tax return.

3. Additional Forms

Depending on your situation, other forms may be required. For instance, Form 5471 is needed for foreign corporations, while Form 3520 or 3520-A may be required for foreign trusts. It's essential to keep accurate records of all your foreign assets and transactions. This will support your filing in case of an audit.

Taxpayers living abroad typically use Form 1040, but may need additional forms such as Form 2555 (Foreign Earned Income Exclusion) or Form 1116 (Foreign Tax Credit). Always refer to the latest IRS guidelines to ensure compliance.

Also Read: Outsourced Tax Services to India: A Guide for US Companies

Step-by-Step Guide to Filing Form 8938

  1. Gather Financial Documents

You’ll need records of your foreign accounts, investments, and other assets, including the maximum value of each asset during the year.

  1. Complete the Form
    • Part I: Foreign Deposit and Custodial Accounts: Report any foreign savings or investment accounts. Include the number of accounts and their highest value for the year.
    • Part II: Other Foreign Assets: Report foreign stocks, securities, or other financial assets that aren't in a financial account.
    • Part III: Income from Foreign Assets: List any income (interest, dividends, capital gains) earned from your foreign assets, ensuring it matches what you report on your tax return.
    • Part IV: Excepted Assets: If you’ve already reported certain assets on other forms (e.g., Form 3520 or 5471), note that here to avoid duplication.
  2. Valuing Your Assets

For foreign accounts, use the highest value during the year. For other assets, use their fair market value at year-end, converting values to U.S. dollars at the year’s closing exchange rate.

  1. Foreign Real Estate

Foreign real estate is not typically reported unless it's held through an entity or generates income, such as rental income. Review IRS guidelines for specific real estate reporting rules.

FATCA and Its Impact on Reporting

FATCA requires U.S. taxpayers to disclose their foreign assets and mandates that foreign financial institutions report U.S. account holders to the IRS. This law helps the IRS detect and prevent tax evasion related to foreign accounts.

If you hold foreign assets, FATCA may impose additional reporting obligations on both you and the foreign financial institutions holding your assets. Accountants assisting clients with foreign assets should be familiar with FATCA’s implications, ensuring that all assets are properly reported and that clients are aware of their obligations.

Missing a foreign asset disclosure deadline or making errors can lead to costly penalties. VJM Global specializes in helping U.S. businesses and investors manage the complexities of FBAR, Form 8938, and other foreign asset reporting requirements. With expertise in cross-border tax compliance and audit support, we ensure your disclosures are accurate and timely, keeping your operations fully compliant with IRS regulations. Get started today. 

But what happens if you fail to report these assets? Let’s take a look at the penalties for non-compliance.

Penalties for Non-Compliance with Foreign Asset Disclosure

Penalties for Non-Compliance with Foreign Asset Disclosure

Failure to disclose foreign assets can result in severe financial penalties, civil cases, and criminal charges. Here’s a breakdown of the penalties associated with non-compliance:

  1. FBAR Penalties (FinCEN Form 114)
    • Non-Willful Violations: A penalty of up to $10,000 per violation.
    • Willful Violations: The penalty is the greater of $100,000 or 50% of the account balance per violation.
    • Criminal Charges: Intentional non-compliance can result in up to five years in prison.
  2. FATCA Penalties (Form 8938)
    • Failure to file can result in a $10,000 penalty.
    • An additional penalty of $50,000 may apply if the IRS issues multiple non-compliance notices.
    • Willful violations may lead to criminal penalties for tax evasion.
  3. Foreign Trust & Business Reporting Penalties
    • Form 3520 (Foreign Trusts & Gifts): Penalty of 35% on unreported amounts.
    • Form 5471 (Foreign Corporations): $10,000 per missed filing.
    • Form 8865 (Foreign Partnerships): $10,000 for each missing filing.

Keeping accurate records and filing on time is the best way to ensure compliance and avoid the costly consequences of non-disclosure.

To wrap things up, here are some practical tips to ensure you file IRS Form 8938 correctly and remain compliant.

Top Tax Tips And Best Practices for Filing IRS Form 8938

Top Tax Tips And Best Practices for Filing IRS Form 8938

Filing IRS Form 8938 can seem daunting, especially when dealing with foreign financial assets. To help you tackle the process, here are some valuable tips to ensure you stay compliant:

1. Don’t Forget About Joint Accounts

Joint ownership affects how you report assets. If you’re filing jointly with a spouse, report the full value of jointly owned assets once. For joint ownership with individuals who are not your spouse, report the full value of the asset. This rule applies regardless of whether the other joint owner is a business partner, friend, or relative.

2. Track the Maximum Value of Your Assets

You must report the maximum value of your foreign assets during the year, not just their value at year-end. Use account statements to identify the highest value of your foreign assets during the tax year.

3. Convert Foreign Currency Accurately

When converting foreign assets into U.S. dollars, use the exchange rate on December 31st of the tax year. If you sold or closed an asset before the year-end, still use the exchange rate on December 31st.

4. Don’t Mix Up FBAR and Form 8938

Both FBAR (FinCEN Form 114) and Form 8938 require reporting of foreign assets, but their filing requirements differ:

  • FBAR is filed with FinCEN if foreign accounts exceed $10,000 at any point during the year.
  • Form 8938 is filed with your tax return and has higher reporting thresholds.

You may need to file both forms, depending on your assets.

5. Use Reasonable Estimates If Necessary

If you’re unsure of an asset’s exact value, you can use a reasonable estimate based on available information. For example, use financial statements or publicly available market data to estimate values. Be sure to document how you arrived at your estimate in case the IRS asks for clarification.

6. File Form 8938 Even If You Don’t Owe Taxes

You are required to file Form 8938 even if you don’t owe any U.S. taxes. The IRS uses this form to track foreign financial assets, so it must be filed regardless of your tax liability.

7. Seek Professional Help When Needed

Filing Form 8938 can be complicated, especially when dealing with foreign assets. If you’re unsure about any part of the filing process, consult a professional. VJM Global offers U.S.‑trained CPA & CA teams, Form 8938/FBAR cross‑border compliance, and full accounting‑outsourcing support for U.S. companies with Indian operations, so you can stay compliant with ease. 

Following these tips simplifies the Form 8938 filing process, ensures you meet IRS requirements, and helps you avoid penalties. 

Conclusion

Accurately reporting foreign assets is a regulatory requirement and a crucial step in avoiding significant penalties. The complexity of international tax laws and foreign asset disclosure can be tricky, but ensuring compliance is essential for the long-term financial health of U.S. businesses and investors.

VJM Global’s specialized services ensure your compliance with U.S. tax regulations, including FBAR and Form 8938. Here’s how we can help:

  • Comprehensive Reporting Assistance: We ensure accurate and timely filing of FBAR, Form 8938, and other foreign asset disclosures, protecting you from costly penalties.
  • Expert Guidance on International Taxation: With our deep expertise in international tax compliance, we help businesses manage tax risks across multiple jurisdictions and ensure proper foreign asset reporting.
  • Tailored Tax Advisory: We provide solutions to address your complex tax situations, ensuring compliance while minimizing tax liabilities and managing cross-border challenges.
  • Audit Support & Tax Preparation: Our team provides audit support and tax preparation services to ensure your foreign asset disclosures align with your tax returns and IRS requirements.
  • Proactive Risk Management: We stay ahead of regulatory changes, helping you avoid penalties and ensuring that your foreign asset reporting process is efficient and up to date.

Get in touch with our expert team today to ensure your foreign asset disclosure is handled seamlessly and in full compliance with U.S. tax laws.

FAQs

1. What is FBAR, and who needs to file it?

FBAR (Foreign Bank and Financial Accounts Report) is required for U.S. taxpayers who have foreign financial accounts exceeding $10,000 in aggregate value at any point during the year. If you meet this threshold, you must file FinCEN Form 114.

2. What are the penalties for failing to report foreign assets?

Penalties for non-compliance can be severe, including civil fines up to $10,000 per violation for non-willful failures and up to $100,000 or 50% of the account balance for willful violations. Criminal charges may also apply in cases of intentional non-compliance.

3. What is Form 8938, and who needs to file it?

Form 8938 is required for U.S. taxpayers with specified foreign assets exceeding certain thresholds. It must be filed with your annual tax return (Form 1040) if your foreign assets meet these thresholds.

4. How does VJM Global assist with foreign asset reporting?

VJM Global offers comprehensive support with FBAR, Form 8938, and other foreign asset disclosures. We provide tax preparation, audit support, and international tax advisory services to ensure full compliance with U.S. regulations.

‍

VJM Global
VJM Globalの専門的な知見、ヒント、最新情報をご覧ください
著者について

最新のブログ