The Backdoor Roth IRA: Mechanism and Reporting for High-Income Earners – Avoiding Double Taxation Risks with Form 8606

Blog (EN), Retirement & Social Security / yukimoto

The Backdoor Roth IRA: Mechanism and Reporting for High-Income Earners – Avoiding Double Taxation Risks with Form 8606 Read More »

Immediate Final Paycheck Obligations in the US: A Deep Dive into California’s Strict Rules and Emergency Off-Cycle Payroll Operations

Blog (EN), Payroll, Employment & State Tax / yukimoto

Immediate Final Paycheck Obligations in the US: A Deep Dive into California’s Strict Rules and Emergency Off-Cycle Payroll Operations Read More »

NISA and iDeCo for US Residents: The PFIC Trap and Why the US-Japan Tax Treaty Offers No Protection

Blog (EN), International Tax & Treaties / yukimoto

NISA and iDeCo for US Residents: The PFIC Trap and Why the US-Japan Tax Treaty Offers No Protection Read More »

[Python] Batch Rename & Organize Receipts/Files by Date for Tax Efficiency

Accounting Automation & Tech Tools, Blog (EN) / yukimoto

[Python] Batch Rename & Organize Receipts/Files by Date for Tax Efficiency Read More »

Capital Gains and the Wash Sale Rule: Reporting Stock and Crypto Gains/Losses and Avoiding Wash Sale Violations

Blog (EN), Investment & Cryptocurrency / yukimoto

Capital Gains and the Wash Sale Rule: Reporting Stock and Crypto Gains/Losses and Avoiding Wash Sale Violations Read More »

Navigating the Medical Expense Deduction Barrier: A Comprehensive Guide to the Triple Tax Advantage of Health Savings Accounts (HSAs)

Blog (EN), Tax Filing, Deductions & Planning / yukimoto

Navigating the Medical Expense Deduction Barrier: A Comprehensive Guide to the Triple Tax Advantage of Health Savings Accounts (HSAs) Read More »

The Ultimate Guide to US LLCs and Pass-Through Taxation: A Deep Dive into Entity Classification and the Crucial Difference from Japanese Godo Kaisha

Blog (EN), Payroll, Employment & State Tax / yukimoto

The Ultimate Guide to US LLCs and Pass-Through Taxation: A Deep Dive into Entity Classification and the Crucial Difference from Japanese Godo Kaisha Read More »

Navigating US Tax Rules for Business Meals & Entertainment: A Comprehensive Guide to Strict Deductibility

Blog (EN), General Tax Guides & News / yukimoto

Navigating US Tax Rules for Business Meals & Entertainment: A Comprehensive Guide to Strict Deductibility Read More »

US Tax: Estimated Tax & Safe Harbor Rules Explained – Your Comprehensive Guide to Avoiding Penalties

Blog (EN), General Tax Guides & News / yukimoto

US Tax: Estimated Tax & Safe Harbor Rules Explained – Your Comprehensive Guide to Avoiding Penalties Read More »

The Definitive Guide to Calculating the “Regular Rate of Pay” for Overtime in the US: Navigating Complexity Beyond Basic Hourly Wages

Blog (EN), General Tax Guides & News / yukimoto

The Definitive Guide to Calculating the “Regular Rate of Pay” for Overtime in the US: Navigating Complexity Beyond Basic Hourly Wages Read More »

Beyond Copy-Paste: Instantly Combine & Aggregate Multiple Excel Files with Python & Pandas

Accounting Automation & Tech Tools, Blog (EN) / yukimoto

Beyond Copy-Paste: Instantly Combine & Aggregate Multiple Excel Files with Python & Pandas Read More »

[GAS] Aggregating Work Hours from Google Calendar Events for Monthly Report Creation

Blog (EN), General Tax Guides & News / yukimoto

[GAS] Aggregating Work Hours from Google Calendar Events for Monthly Report Creation Read More »