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Tax Compliance & IRSCase study 04

Catching Up an S Corporation Whose Owner Lives in Japan: Books, Payroll, FBAR and Returns

Quick answer

NexusWorks reconciled a US S corporation's 2025 books across US and Japanese accounts, prepared retroactive payroll filings for the owner's compensation, built an FBAR filing plan, and delivered the 1120-S and 1040 figures his Japanese accountant needed to finish the Japan return.

At a glance

Client
Single-owner consulting S corporation; owner resident in Japan
Accounts
US business bank, multi-currency account, payment processor, Japanese personal accounts
Returns
Form 1120-S, Form 1040, FBAR, payroll Forms 941, 940 and W-2
Cross-border issues
US–Japan totalization agreement, foreign tax credits, foreign account reporting
Tax year
2025

01

The challenge

The owner lived in Japan and travelled much of the year. No payroll had run in 2025 even though the S corporation needed reasonable compensation, foreign accounts had to be reported, and his Japan return was overdue because it depended on US K-1 figures. He wanted a single, dated list of what remained and a clear payroll position.

02

Our approach

  1. Books first. US bank, multi-currency and payment-processor accounts were reconciled for 2025, with failed charges reversed and equipment capitalized.
  2. Social security position. We applied the US–Japan totalization agreement, in force since 2005, and documented the owner's Japanese pension coverage.
  3. Retroactive payroll. Owner wages were set against a reasonable compensation range and filed through Forms 941, 940 and W-2, with payroll taxes paid directly by the company.
  4. Foreign account reporting. We listed every foreign account, tested the $10,000 aggregate threshold and filed FinCEN Form 114 with a separate fixed fee.
  5. Coordinated with Japan. Draft 1120-S and 1040 figures went to the owner's Japanese accountant so both countries' returns used the same numbers.

03

Results delivered

  • 2025 books closed and reconciled across every account.
  • Payroll filings completed for the year, with workpapers supporting the wage level.
  • FBAR filed and an annual foreign-reporting checklist set up.
  • Federal returns and K-1 data delivered to the owner's Japanese accountant.

04

Frequently asked questions

Generally yes. An owner who works in the business should receive reasonable compensation through payroll before taking distributions.

Related services

International Tax for US Owners AbroadPayroll ComplianceBookkeeping & Accounting →

Key terms See the glossary →

Form 1120-SSchedule K-1Form 1040FinCEN Form 114 (FBAR)Form 8938US–Japan totalization agreement (2005)certificate of coverageForm 941Form 940Form W-2reasonable compensationForm 1116
Reviewed by a California-licensed CPANexusWorks LLC · Last updated Oct 17, 2026

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