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    • Useful info / Professional
    • 2026/03/22 (Sun)

    This text has been translated by auto-translation. There may be a slight difference between the original text and the translation. (Original Language: 日本語)

    Nexus Doing Business California （ Nexus ）

    If you are starting a business in the state of California, you should know about Nexus.

    Nexus （ Nexus ）" means a sufficient nexus between the state and the business to impose sales tax （ sales tax ）. If this nexus exists, the company is obligated to collect ・ and pay sales tax to that state. California also requires out-of-state businesses to collect and pay sales tax if certain conditions are met.

    There are three main types of Sales Tax Nexus in California ：
    1. Physical Nexus （ Physical Nexus ）
    ・ A store, warehouse, or office in California, Physical Nexus
    ・ Has employees, agents, or sales persons in the state
    ・ Stores goods in California
    ・ Exhibits at trade shows or conducts sales activities in the state
    → If this is the case, the Sales Tax obligation is immediately triggered, regardless of the size of the sales.

    2. Economic Nexus （ Economic Nexus ）
    The requirement in California is that if sales in California exceed $ 500,000 in a year, Sales Tax must be paid even if you have no physical presence in the state. There are no criteria for
    or quantity （ of sales ）. Only the monetary criterion applies. For example, whether you have 100 or 10,000 cases, $ you will get a nexus if you exceed 500,000.

    3. Marketplace Facilitator Nexus （ Marketplace Nexus ）
    If you sell through marketplaces such as Amazon or eBay （ starting in 2020 , the marketplace （ such as Amazon ） will collect Sales Tax on your behalf ・ and you will be required to pay it ・, but if you sell from your own site, you will be required to pay it.
    *At the same time, the seller must file his/her own Sales Tax. *Please be careful if you sell directly through your own e-commerce site at the same time.

    Registration of Sales Tax ・ The process of payment is as follows.
    ・ Apply for Sales Tax Permit to California Department of Tax and Fee Administration (CDTFA)
    ・ File monthly/quarterly/annually ・ Pay tax （ Depending on size Frequency varies ）
    ・ Electronic filing ・ ACH payment and other methods available for payment

    *Note ： Tax rates vary by county ・ city, so please check in advance.

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    • Useful info / Professional
    • 2026/03/17 (Tue)

    This text has been translated by auto-translation. There may be a slight difference between the original text and the translation. (Original Language: 日本語)

    Expatriation ・ Freelance Required ！ In-depth "Double Taxation Measures" for U.S. Taxpayers

    ---Two Options for U.S. Taxpayers Working Abroad ： Two Options to Prevent Double Taxation ---
    When a U.S. citizen, green card holder, or other person with U.S. tax obligations earns income abroad, there are two important programs to prevent "double taxation （ in both the foreign country and the U.S.": the Foreign Earned Income Exclusion （ and the Foreign Tax Credit （. There are two important programs to prevent "double taxation ）": the Foreign Earned Income Exclusion and the Foreign Tax Credit . The choice of which one to choose depends on the amount of income, local tax rates, and family structure.

    1 ． Foreign Earned Income Exclusion （ What is the Foreign Earned Income Exclusion ） ？
    This is an exclusion of income earned abroad by U.S. citizens, green card holders, and others who have tax obligations in the United States, This is a system that allows U.S. citizens, green card holders, and other individuals with U.S. tax obligations to exclude up to a certain amount of income from U.S. taxation.
    This system is designed to prevent "double taxation （ in both foreign countries and the U.S. ） on the same income.

    \1) Outline of the System
    This system allows a person who has a tax liability in the U.S. to exclude from U.S. taxation up to a certain amount of income earned by working abroad. It is one of the mechanisms to prevent double taxation.

    (2) Who is eligible
    U.S. citizenship or permanent residence holders （ Green card holders ） and other U.S. taxpayers who meet one of the following criteria ：
    1. Bona Fide Residence Test （ True Residence Test ） ： Resided in a foreign country from January 1 through December 31
    2. Physical Presence Test （ Physical Residence Test ） ： Spent 330 or more days out of 12 consecutive months 330 days or more in a foreign country （ including long term business trips ）
    *It is important to have a "Tax Home （ Tax Base ）" in a foreign country for the entire year.

    (3) Maximum amount that can be excluded
    • For 2025 ： Up to approximately $ 126,500 （ per person ） "Wages ・ wages ・ self-employment income earned abroad" etc. can be excluded from U.S. taxable in the U.S.
    • Married couples filing jointly can exclude up to $ 253,000 if they each meet the requirements.
    • Foreign housing expenses such as rent and utilities can be additionally excluded if they meet the requirements.

    (4) "Foreign-earned income" （ Foreign-earned income ） is ？
    • salary, compensation, or professional fees for work provided by an individual abroad.
    • It does not include income considered as profit sharing, such as shares or dividends.

    (5) Income earned abroad not included
    • Military personnel of the U.S. government or its agencies ・ Civil service pay
    • Pensions ・ Pension benefits
    • Investments ・ Stock income, Dividends ・ Interest

    (6) Notes
    • Once you choose an exclusion, it will continue to apply automatically in that and future years （ Withdrawals require a procedure ） .
    • You will not receive the Foreign Tax Credit （ ） for foreign taxes on excluded income.
    • If you choose to exclude, you will not be able to use the Earned Income Credit （ Earned Income Tax Credit ） or Additional Child Tax Credit （ Additional Child Tax Credit ） or other credits ・.

    2. Foreign Tax Credit （ Foreign Tax Credit ）
    Outline of the System
    If an American taxpayer pays income tax in a foreign country, the tax paid in that foreign country is deducted directly from the American income tax to prevent double taxation. The taxpayer is allowed to deduct the tax paid in the foreign country directly from his/her U.S. income tax liability to avoid double taxation.

    (2) Who is eligible
    • US taxpayers who paid foreign income tax on foreign income
    • US citizens and green card holders

    (3) What taxes are eligible
    The deduction is limited to income taxes imposed on the taxpayer by a foreign country. Inheritance tax and consumption tax are not eligible.

    (4) Merit
    • Taxes paid in a foreign country are deducted directly from the "tax" due in the U.S., making the tax reduction very effective.
    • Unlike the exclusion system, there is no dollar limit on the deduction.
    • A wide range of "foreign-source income （ including investment income ） is eligible.
    • Undeducted foreign taxes can be carried forward up to 10 years after the previous ・ year.

    (5) Notes
    • Taxes on income excluded by the Foreign Earned Income Exclusion cannot be deducted.
    • In order to accurately calculate and reflect the foreign tax amount, the tax payment procedure （ withholding and tax return ） must be completed in the foreign country.


    ---Important Points to Know---
    Choice ： FEIE and FTC cannot be combined. You must choose one of them to file.
    Continuity （ FEIE ） ： Once you elect the FEIE, it automatically applies to the following year, and there is a 5-year limit on re-election after withdrawal.
    Disadvantages （ FEIE ） ： If you choose FEIE, you may not be able to use other major tax credits such as Child Tax Credit.
    Flexibility （ FTC ） ： Foreign taxes not fully deductible under the FTC can be carried forward for up to 11 years （ 1 year before and 10 years after ）.

    In conclusion, it is important to carefully select the most tax-efficient plan, taking into account your income, the tax rate in your country of residence, the number of children you have, and the types of deductions you wish to take in the U.S.

    Tax税金節税会計海外居住

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    Indiv...

    • Useful info / Professional
    • 2026/03/13 (Fri)

    This text has been translated by auto-translation. There may be a slight difference between the original text and the translation. (Original Language: 日本語)

    I should file Tax Return ？" ---Basics of U.S. Taxation that you may not know

    Should I File a Tax Return ？ The Basics of U.S. Taxation That You May Not Know"

    1. Introduction ： Unexpectedly many "people who really need to file a tax return"
    "Do I need to file a tax return? ？ "Do I need to file a Tax Return?

    - I received withholding tax in Japan …
    - I retired and my income is low …
    - My company is withholding …

    Many people think that they have to file a Tax Return （ tax return ） but they do not file it.
    However, failure to file can lead to serious risks later, including additional tax ・ penalties ・ and adverse effects on the immigration process.
    This article explains
    ✔ whether you are eligible for Tax Return
    ✔ and
    what the benefits of Tax Return are.

    2. What is Tax Return （ Tax Return ） in the first place ？
    In the US,
    • even if taxes are withheld from your salary
    • and your company issues W-2 or 1099
    the individual is still responsible for properly calculating and reporting his/her annual income to the IRS.
    The taxpayer cannot rely on the company to "do it all" and the ultimate responsibility is the taxpayer him/herself.

    3. Who "must" file a Tax Return ？
    （ Those whose income exceeds a certain amount Most typical ） （ See ： Image 1 ）
    Age ・ There is a threshold amount for each filing status and it is determined if the threshold amount is exceeded.
    • Salary
    • Self-employment income
    • Investment income
    • Foreign income
    All of these are included.

    (2) Self-employment （ sole proprietorship ） income in excess of $ 400 per year
    Uber, freelance, influencer income, etc
    → even if amount is small $ over 400, you are obliged to file a tax return.

    (3) Nonresidents with US source income （ 1040NR ）
    • Dividends from US investments ・ Interest
    • US real estate income
    • Studying abroad and taxable scholarship
    • Part-time work in the U.S.
    etc. must be reported on a 1040NR.

    Cases where even dependents or spouses with (4) ITIN need to file
    e.g. investment income or interest on US accounts.

    4. Conversely, people who are not required to file but "should" file
    (1) Withholding is too high → Refund is available
    Tax is taken from your wages If this is the case, you must declare it or you will not get it back.
    (2) Education Expenses ・ Child Credit
    • Child Tax Credit
    • American Opportunity Credit
    and other refundable credits that you must report to get. Credits are available.
    (3) People whose Social Security or Medicare records are affected
    Self-employed people who do not file risk having their future pension （ SSA ） reduced.

    5. Advantages of Filing a Tax Return
    Benefits ① Money Back （ Potential Refund ）
    It is not unusual for the amount returned to be several thousand dollars.
    Advantages ② Advantage in immigration process （ Visa ・ Green Card ）
    Failure to declare
    • Renewal of status
    • Green Card
    • Permanent Residency Application
    Many times you will be asked why you have not filed.
    Advantages ③ Reduce risk of later IRS investigation
    Not filing is the most dangerous situation.
    If you file a return, it is easier to prove if a tax audit comes later.
    Benefits ④ Past subsidies ・ Tax credit payments
    Corona benefits distributed during the pandemic （ EIP ） were not received because "people did not file a Tax Return. There were large numbers of people who "did not receive the benefits because they did not make a Tax Return. Some subsidies and credits can be received later by filing a Tax Return （ within 3 years ）.

    7. Summary ： Check with an expert to see if you are eligible
    Tax returns are becoming more complex every year, and it is easy to make a mistake if you do not have expertise in determining residency, bilateral taxation, credit systems, etc. It is very easy to make a mistake if you don't have any specialized knowledge.
    "I don't know if I need to file"
    "I feel like I have to file"
    If so, consulting with a professional can greatly reduce your risk of
    missing a tax refund ・ in the future.

    At Aohama Accounting Office, we can
    • diagnose whether a tax return is necessary
    • suggest the best way to file
    • 1040 ・ 1040NR ・ self-employment International student cases
    • Foreign income （ Including Japan ） We provide professional support for
    handling
    For a free initial consultation, please contact us via email ！ info@aohama.com

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    • Signature service / Professional
    • 2026/03/13 (Fri)

    This text has been translated by auto-translation. There may be a slight difference between the original text and the translation. (Original Language: 日本語)

    ＼ Dear Management of Small and Medium Enterprises/"Are you concentrating on your core business ？?" and "Are you spending too much time on accounting ？?"

    ＼ Dear Management ／
    Free yourself from "accounting worries" and concentrate on your core business ？

    We take care of all your daily complicated accounting work ！

    [Support to accelerate your business
    Payroll （ Payroll ） ： Free yourself from tedious calculations. Accurate ・ We will handle it reliably.

    Financial Spreadsheet ・ Bookkeeping （ BookKeeping ） ： Daily Sales ・ Expense Management （ Expense ） to accurate Financial Spreadsheet. With frequent book keeping, you can check the company's overall financial status ・ and profit margins at any time.

    Taxation ：Business License （Business License ）Sales Tax （Sales Tax ）Reporting ・Payments We can also take care of your Late Filling and other tax-related matters. Avoid unnecessary expenses （ Penalty ） due to Late Filling.

    Asset Management ： Properly process your assets for tax savings, including depreciation.

    Accounting Management Consultation ： Accounting ・ Accounting
    We value **"promptness" and "close communication "** most, which large firms cannot provide.

    Immediate consultation available ： We can set up daily meetings, either online or in person, upon request.

    Immediate response to management "problems" ： Whenever a question or problem arises, our quick footwork will help you resolve it.

    **Would you like to have the "peace of mind that you can always rely on experts "** ？

    Start with a free consultation. Please feel free to contact us by email ！

    -------------------------------------------------------------
    Aohama Accounting Office
    Address: 1957 W Carson St #105, Torrance CA 90501
    Email ： info@aohama.com
    Phone: 424-392-4195
    ----------------------------------- ---------------------------

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    FY2025 Early Bird Special
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