Tax & Rules
Tax, legal, and regulatory basics around shared expenses — and how to avoid money trouble.
Crypto Tax in Japan | Tax Rates, Calculation Examples, and Filing Basics
How cryptocurrency gains are taxed in Japan: income tax rates, 6 taxable events, cost basis methods, the ¥200,000 rule, and the 2028 reform — with worked examples.
Japan's Income Tax Walls: 103万, 130万, and 178万 Explained for Part-Time Workers
Japan's famous 103万 income wall moved to 178万 in 2026. This guide compares every income threshold for tax and social insurance, shows the trap zone where take-home pay drops, and covers new student worker deductions, all sourced from official Japanese government publications.
Is Collecting Money for a Group Dinner a Taxable Gift? (Japan's Gift Tax, Explained)
Worried that collecting money as a group organizer might count as a taxable gift in Japan? Learn why cost-sharing and reimbursements are not gifts, how the ¥1.1 million annual exemption works, and which edge cases actually deserve attention.