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Vietnam PIT Declaration: Forms and Filing Guide

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Understand the personal income tax declaration process and the essential points for accurate, compliant filing in Vietnam.
Filing a personal income tax (PIT) declaration is a critical obligation for any individual with taxable income. Accurate, compliant filing helps you avoid unnecessary risks and penalties. This article walks you through the key aspects of the PIT declaration, how to file it, and what to watch out for.

Contents
  1. Personal Income Tax Declaration: Key Points to Remember When Filing
  2. What Is a Personal Income Tax (PIT) Declaration?
  3. Who Must File a PIT Declaration?
  4. What Is a PIT Withholding Certificate?
  5. Filing Deadlines and Cycles for PIT Declarations
  6. How to File a PIT Declaration Correctly
  7. Important Considerations When Filing PIT

Personal Income Tax Declaration: Key Points to Remember When Filing

The personal income tax (PIT) declaration is an essential procedure for individuals with taxable income. Accurate filing and compliance with the regulations help you avoid unnecessary risks and mistakes. Let’s explore the key points around the PIT declaration, how to file PIT, filing instructions, and important considerations.

What Is a Personal Income Tax (PIT) Declaration?

A personal income tax (PIT) declaration is a document submitted by individuals or income-paying organizations to report tax liabilities on income generated during a specific period. This procedure allows the tax authority to determine the correct amount of tax payable or refundable.

Under the Tax Administration Law No. 38/2019/QH14, the PIT declaration can be filed monthly, quarterly, or annually depending on the type of income, the amount, and the taxpayer category. Individuals can also file proactively to request a tax refund or make adjustments if they have multiple income sources within the year.

The PIT declaration is not only a legal obligation but also a right that allows individuals to substantiate tax already paid, claim deductions, or request refunds when the tax withheld differs from the amount actually owed.

There are two main types of PIT declarations:

  • Provisional declarations (monthly or quarterly): filed by income-paying organizations.
  • Annual tax finalization: filed by individuals and businesses to consolidate and adjust tax obligations after the fiscal year.

Who Must File a PIT Declaration?

Correctly identifying who must file a PIT declaration is fundamental to staying compliant and avoiding legal violations. Under current regulations, the following parties are required to file:

  1. Tax residents with taxable income
    • Present in Vietnam for 183 days or more within a calendar year.
    • Have a permanent residence or a long-term lease agreement in Vietnam.
    • Earn income from salaries, wages, business activities, property rental, and similar sources.
    • Must file a tax return if they have multiple income sources or are eligible for a tax refund.
  2. Non-residents
    • Foreigners residing in Vietnam for less than 183 days per year.
    • Taxed on all income generated in Vietnam at a flat rate of 20%.
    • The income-paying organization is responsible for withholding and filing tax on their behalf.
  3. Income-paying organizations (businesses and other entities)
    • Organizations paying salaries, bonuses, or other compensation to individuals.
    • Responsibilities include:
      • Withholding tax on taxable income.
      • Filing tax declarations monthly or quarterly.
      • Issuing withholding certificates (Form 05/CK-TNCN) to employees.
      • Filing annual finalization for individuals with only one source of income.

Learn more: Personal Income Tax: Definition and Calculation Methods

What Is a PIT Withholding Certificate?

A PIT withholding certificate is a document issued by the income-paying organization to the individual, confirming that PIT has been withheld from their income.

  • Form used: 05/CK-TNCN (issued under Circular 80/2021/TT-BTC).
  • The certificate is used for year-end tax finalization or as the basis for a refund request.
  • Withholding certificates are issued only when tax has been properly withheld and remitted by the organization.
  • They can be issued in either paper or electronic form with authentication codes.

Filing Deadlines and Cycles for PIT Declarations

  1. Monthly and quarterly filing
    • Monthly: for businesses withholding more than VND 50 million of PIT per month.
    • Quarterly: for businesses withholding less than VND 50 million per month, or newly established businesses.
  2. Annual tax finalization
    • Filing period: from January 1 to March 31 of the following year.
    • Individuals with multiple income sources or those requesting refunds must file their own declarations.
  3. Deadlines and late-filing penalties
    • Monthly filing: by the 20th of the following month.
    • Quarterly filing: by the 30th of the month following the quarter.
    • Annual tax finalization: by March 31 of the following year.
    • Late-filing penalty: 0.05% per day on overdue amounts, with enforcement action possible for prolonged delays.

How to File a PIT Declaration Correctly

1. Filing PIT for Individuals

  • Use Form 02/QTT-TNCN for income from salaries and wages under Circular 80/2021/TT-BTC.
  • Collect withholding certificates (Form 05/CK-TNCN) from your employer.
  • Calculate total income and allowable deductions (such as family deductions, insurance, and charitable contributions).
  • Access the online portal at https://thuedientu.gdt.gov.vn to submit your declaration.
  • Submit the tax declaration online and attach any supporting documents for a refund (if applicable).
  • Deadline: before March 31 of the following year.

2. Filing PIT for Businesses

  • Businesses are responsible for withholding and filing tax on behalf of their employees.
  • Use:
    • Form 05/KK-TNCN for monthly or quarterly filing.
    • Form 05/QTT-TNCN for annual finalization.
  • Generate the XML file using HTKK or iHTKK software.
  • Log in to the electronic tax portal, sign electronically, and submit the declaration.
  • Monitor feedback and resolve any errors that arise.

3. Forms Used for PIT Filing

    Download the forms here

    4. How to Submit PIT Declarations Online

    The tax authority encourages both individuals and businesses to file PIT declarations online to save time and improve processing efficiency. Specific instructions are below.

    For Individuals:

    • Via the website:
      • Visit https://thuedientu.gdt.gov.vn.
      • Log in or register an individual account.
      • Select “Online Filing” and choose Form 02/QTT-TNCN.
      • Enter income details, deductions, and tax withheld.
      • Submit the declaration and attach refund documents (if applicable).
    • Via the eTax Mobile app:
      • Download from Google Play or the App Store.
      • Log in using your individual tax ID.
      • Select “File and Pay PIT” and follow the on-screen instructions.

    For Businesses:

    • Log in to https://thuedientu.gdt.gov.vn with your business account.
    • Select the appropriate filing period (monthly, quarterly, or annual) and form.
    • Sign electronically with your USB token and submit the XML file.
    • Track the submission in the “Check Status” section.

    Important Considerations When Filing PIT

    1. Common Filing Mistakes

    • Omitting income from multiple sources.
    • Incorrect deductions or withholding amounts.
    • Failing to attach refund documents.
    • Using the wrong form or filing period.

    2. How to Amend a Submitted Declaration

    • Log in to the tax system and go to “Submitted Declarations“.
    • Select “Amend” and update the incorrect information.
    • Submit the amended declaration with an explanation (if necessary).
    • Wait for confirmation from the tax authority.

    3. Retention of Records and Supporting Documents

    • Individuals should retain copies of withholding certificates, declarations, and electronic confirmations.
    • Retention period: at least 5 years under the Tax Administration Law.
    • Businesses should keep both electronic and paper records for future audits.

      Filing PIT is more than a legal obligation; it is a way to protect taxpayers’ rights. Whether you are an individual or a business, complying with the regulations, using the correct forms, and filing on time will minimize risk and avoid unnecessary penalties. Online filing in particular makes the process faster, more transparent, and more efficient than ever.

      For any inquiries, contact Wacontre Accounting Services via Hotline: (028) 3820 1213 or email [email protected] for prompt assistance. With a team of experienced professionals, Wacontre is committed to dedicated, efficient service. (For Japanese clients, please call Hotline: (050) 5534 5505).

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