Foreign Income & Cross-Border

SDOP: A Guide to Correcting Unreported Foreign Accounts

TaxWise LLC | Published November 1, 2026 | 7 min read

Discovering an overseas account was missing from your U.S. returns does not mean you should immediately file a stack of amended returns. First determine which correction procedure fits your facts. Streamlined Domestic Offshore Procedures (SDOP) may help eligible U.S.-resident taxpayers whose offshore reporting failures were non-willful.

Start with eligibility, not the penalty calculation. SDOP is not an amnesty for intentional concealment, and it cannot be used to file delinquent original income tax returns. If willfulness or criminal exposure may be involved, consult a tax attorney before making a submission.

1. Who may qualify for SDOP?

SDOP generally applies to individual taxpayers, including estates of individuals, who do not meet the streamlined foreign offshore nonresidency test. For a joint submission, one or both spouses must fail that test. Having a foreign passport, foreign address, or overseas bank account does not by itself establish eligibility for either procedure.

An IRS letter is not automatically an examination notice. Have the specific notice reviewed before concluding that SDOP is available or unavailable. If all foreign income was reported and only an FBAR or information return was missed, another correction route may be more appropriate.

2. Three tax years, six FBAR years, one complete submission

The tax-return period and FBAR period are separate. Determine each using the filing date and applicable due dates, including valid extensions. Do not copy someone else's list of years.

  1. Amend the three covered income tax years. Prepare complete Forms 1040-X with required international information returns. Depending on the assets, these may include Forms 8938, 8621, 5471, or 3520. Foreign mutual funds, corporations, trusts, and pensions need separate analysis.
  2. File delinquent FBARs for the six covered FBAR years. Submit them electronically through FinCEN's BSA E-Filing System using the streamlined explanation specified by the IRS.
  3. Complete Form 14654. Certify eligibility, non-willfulness, completed FBAR filing, and the accuracy of the offshore penalty. Explain what happened, your knowledge, relevant dates, and any professional advice you relied on.
  4. Pay the tax, statutory interest, and offshore penalty. Follow the current IRS instructions for the paper submission, required signatures, attachments, payment identification, and mailing address. The income tax package and electronic FBARs follow different submission paths.

3. How the 5% offshore penalty works

The penalty is generally 5% of the highest annual aggregate year-end balance or value of assets subject to the penalty across the covered tax-return and FBAR periods. It is not simply 5% of unreported income, nor the sum of each account's highest daily balance.

Which assets enter the calculation can vary by year: an asset omitted from a required FBAR, an asset omitted from a required Form 8938, or a reported foreign asset with unreported gross income can be included under the applicable rules. FBAR reporting values and the SDOP penalty calculation serve different purposes.

Illustration: If the highest relevant annual aggregate year-end value of penalty-subject assets is $240,000, the 5% penalty would be $12,000. Additional income tax and interest are calculated separately. This example assumes the assets and years have already been correctly identified.

Eligible taxpayers who fully comply with the procedure generally receive its specified protection from accuracy-related, international information return, and FBAR penalties for the covered submission. Previously assessed penalties are not automatically abated. SDOP does not guarantee no audit, a closing agreement, or immunity for a false certification.

4. What to collect before deciding

Preserve records and avoid a generic non-willfulness narrative. A preparer can reconstruct returns and calculations; a tax attorney should assess potential willfulness or criminal exposure. Keep current-year filings compliant while the correction is prepared.

Common questions

Is SDOP the same as the foreign streamlined procedure?

No. Streamlined Foreign Offshore Procedures have their own nonresidency and other eligibility requirements and generally do not impose the domestic 5% offshore penalty when properly used. You cannot choose between the two solely by comparing penalties.

Can I just amend returns and skip Form 14654?

Not if you want SDOP treatment. Ordinary amended returns are not a substitute for the prescribed streamlined package. Missing or deficient certifications can cause processing without the procedure's favorable terms.

Official sources

Source check: November 1, 2026. Recheck IRS instructions before filing.

Related reading

FBAR vs Form 8938 | U.S. tax guide for new immigrants

发现海外账户未在美国税表中披露后,不宜立即自行提交一批更正税表。应先判断适合哪一种补报程序。境内离岸简化申报程序(SDOP)可能适用于符合条件、因非故意行为而漏报海外收入或资产的美国居民纳税人。

先确认资格,再计算罚款。SDOP不是针对故意隐瞒的赦免程序,也不能用于补交逾期的原始所得税申报表。如果可能涉及故意行为或刑事风险,请在提交材料前咨询税务律师。

1. 谁可能符合SDOP资格?

SDOP一般适用于不满足境外简化程序非居民测试的个人纳税人(包括个人遗产)。夫妻联合申请时,一方或双方须不满足该非居民测试。外国护照、海外地址或海外银行账户本身并不决定适用哪一种程序。

收到IRS信件并不必然表示已启动审计。应先审核信件内容。若海外收入已经全部申报,只漏交FBAR或信息表,其他补报路径可能更适合。

2. 三年税表、六年FBAR及完整申请材料

所得税申报期间与FBAR期间分别计算,应以提交时点和适用截止日(包括有效延期)为准,不要直接照搬他人的年度清单。

  1. 更正涵盖的三年所得税表。准备完整Form 1040-X及所需国际信息表,可能涉及Form 8938、8621、5471或3520。海外基金、公司、信托及养老金需要单独分析。
  2. 补交涵盖的六年FBAR。通过FinCEN BSA电子申报系统提交,并使用IRS要求的简化程序迟报说明。
  3. 完成Form 14654。确认资格、非故意行为、FBAR已提交及罚款计算准确。说明事件经过、相关日期、您当时掌握的信息和依赖的专业意见。
  4. 缴纳税款、法定利息及离岸罚款。遵循当前IRS关于纸质材料、签名、附件、付款识别及邮寄地址的要求。税表材料与电子FBAR采用不同提交途径。

3. 5%离岸罚款如何计算?

罚款通常为涵盖税表年度和FBAR年度中,需纳入罚款的资产在各年年末合计余额或价值的最高值乘以5%。这不是漏报收入的5%,也不是把各账户每日最高余额简单相加。

哪些资产需纳入计算可能逐年不同:未按规定列入FBAR、未按规定列入Form 8938,或虽已披露但漏报相关总收入的外国资产,均可能适用相应规则。FBAR申报金额与SDOP罚款金额的计算目的不同。

示例:假设已正确识别资产及年度,相关资产最高年度年末合计价值为240,000美元,则5%罚款为12,000美元。额外所得税和利息另行计算。

符合资格并完整遵循程序者,一般可获得程序规定的准确性罚款、国际信息申报罚款及FBAR罚款方面的保护。此前已核定的罚款不会自动撤销。SDOP并不保证免于审计、获得结案协议,或免除虚假证明的责任。

4. 决定前应收集哪些资料?

保留原始资料,不要套用通用的非故意说明。税务专业人士可协助重建税表与计算;可能涉及故意行为或刑事风险时,应由税务律师评估。在准备补报期间,也应确保当年申报合规。

常见问题

SDOP与境外简化程序相同吗?

不同。境外简化程序有独立的非居民及其他资格要求,正确使用时一般没有境内程序的5%离岸罚款。不能仅根据罚款高低自行选择。

只更正税表、不交Form 14654可以吗?

若要获得SDOP待遇则不可以。普通更正申报不能代替完整简化程序材料。缺少证明或证明有缺陷,可能导致无法获得该程序的优惠待遇。

官方来源

资料核对日期:2026年11月1日。提交前请再次核对IRS最新要求。

相关阅读

FBAR与Form 8938的区别 | 新移民美国税务指南