Form 02/QTT-TNCN: The Expat's Step-by-Step English Filing Guide (eTax Mobile)

What is Form 02/QTT-TNCN?

Form 02 qtt tncn is the official tax return declared directly by individuals settling personal income tax with Vietnamese tax authorities under Law on Tax Administration 38/2019/QH14 and Circular 80/2021/TT-BTC. Foreign employees with income from two or more employers, overseas remuneration, or who are claiming a tax refund must prepare and submit Form 02/QTT-TNCN directly rather than authorizing an employer to finalize on their behalf. Electronic submission is completed via the General Department of Taxation portal (canhan.gdt.gov.vn) or the official eTax Mobile application using your personal tax code (MST) and electronic tax transaction account.

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Who Must File Form 02/QTT-TNCN Directly?

Under Article 8 of Decree 126/2020/ND-CP, foreign employees cannot authorize their employer and must file Form 02/QTT-TNCN themselves if any of the following apply:

1. Multiple Employers: You worked for two or more employers in Vietnam during the tax calendar year.
2. Left Employer Before Filing: You resigned or changed companies before the employer submitted its annual corporate finalization.
3. Foreign / Overseas Income: You received salary, bonuses, allowances, or equity compensation (RSUs/stock options) directly from an offshore parent company without domestic withholding.
4. Claiming a Tax Refund: You overpaid tax during the year and wish to receive a direct cash refund to your Vietnamese bank account.
5. Additional Tax Due: Your year-end recalculation shows additional tax payable exceeding VND 50,000.
6. Permanently Departing Vietnam: Your contract ended and you are departing Vietnam before year-end.

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Filing Deadlines & Departure Rules

| Filing Category | Legal Deadline | Governing Regulation | | :--- | :--- | :--- | | Annual Finalization (Individuals filing directly) | Last working day of April following the tax year (e.g., end of April 2027 for 2026 tax year) | Decree 252/2026/ND-CP Art. 10.5.c | | Employers (on behalf of authorized staff) | Last day of March (31 March) | Decree 252/2026/ND-CP Art. 10.5.a | | Foreigners Leaving Vietnam Permanently | Before exit, and no later than 45 days after contract end | Decree 252/2026/ND-CP Art. 10.5.d |

Warning: Filing Form 02/QTT-TNCN late incurs administrative fines between VND 2,000,000 and VND 25,000,000 under Decree 125/2020/ND-CP (amended by Decree 310/2025/ND-CP), plus late payment interest of 0.03% per day on any unpaid tax balance.

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Pre-Filing Document Checklist

Before logging into eTax Mobile or thuedientu.gdt.gov.vn, gather the following digital PDF documents:

1. Tax Identification Number (Mã số thuế - MST): Your 10-digit Vietnamese personal tax code.
2. Electronic Tax Account / VNeID Level 2: Registered credentials for eTax Mobile or thuedientu.
3. Withholding Tax Certificates (Chứng từ khấu trừ thuế TNCN): Electronic or paper certificates issued by every employer who paid you during the year.
4. Letter of Income Confirmation (Thư xác nhận thu nhập): An annual salary summary certificate issued by your employer(s) confirming gross pay, compulsory insurance deducted, and net amounts.
5. Passport Copy: Valid passport data page and entry/exit visa stamps proving physical days in Vietnam.
6. Dependant Documentation: Legalized and notarized translations of birth/marriage certificates if claiming dependants on Form 02-1/BK-QTT-TNCN.
7. Vietnamese Bank Account Details: Bank name, branch, and account number matching your exact legal passport name for refund disbursement.

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Step-by-Step Box-by-Box Breakdown ([01] to [48])

Form 02/QTT-TNCN contains 48 distinct indicator boxes. Here is the English translation and explanation for every critical box:

Header & Administrative Details

* Box [01]: Tax year (Kỳ tính thuế) — e.g., 2025 or 2026. * Box [02]: First-time return (Lần đầu) or Supplementary return (Bổ sung lần thứ...). * Box [04] to [11]: Taxpayer personal details: Full name, MST (Tax Code), date of birth, passport number, nationality, residential address, telephone, and email. * Box [12] to [21]: Authorized tax agent information (if utilizing a certified tax service like TaxFinalization).

Income Calculation Section (Chỉ tiêu xác định thu nhập)

* Box [22] Total Assessable Income (Tổng thu nhập chịu thuế phát sinh trong kỳ): Total gross salary, wages, bonuses, and taxable allowances earned across all employers before deductions. * Box [23] Income Earned in Vietnam: Portion of Box [22] paid by Vietnamese entities. * Box [24] Income Earned Abroad: Portion of Box [22] paid by foreign entities (applicable to worldwide tax residents). * Box [25] Non-Taxable Income & Exempt Allowances: Severance pay, housing allowance excess capped at 15%, exempt meal allowances (up to 1.2M VND/mo), and overtime premiums. * Box [26] Total Taxable Employment Income: Automatically calculated as Box [22] minus Box [25].

Statutory Deductions Section (Các khoản giảm trừ)

* Box [28] Total Statutory Deductions (Tổng các khoản giảm trừ): Sum of boxes [29] + [30] + [31] + [32] + [33]. * Box [29] Personal Circumstance Deduction (Giảm trừ cho bản thân): VND 132,000,000/year (2025) or VND 186,000,000/year (2026 under Resolution 110/2025). * Box [30] Dependant Deduction (Giảm trừ cho người phụ thuộc): Calculated automatically from Appendix Form 02-1/BK-QTT-TNCN (VND 4.4M/month in 2025; VND 6.2M/month in 2026 per dependant). * Box [31] Compulsory Insurance (Bảo hiểm bắt buộc): Total 8% Social Insurance + 1.5% Health Insurance deducted from your paychecks (verified against your Income Confirmation letter). * Box [32] Voluntary Pension Fund (Bảo hiểm hưu trí tự nguyện): Deductions up to VND 1,000,000/month for qualifying Vietnamese pension schemes. * Box [33] Charitable & Humanitarian Contributions: Deductible donations made to authorized Vietnamese charities with valid receipts.

Tax Liability & Balance Section

* Box [34] Net Assessable Taxable Income (Thu nhập tính thuế): $ ext{Box [26]} - ext{Box [28]}$. * Box [35] Total Generated PIT Liability (Tổng số thuế TNCN phát sinh): Progressive tax calculated across the statutory tax brackets. * Box [36] Total Tax Already Withheld / Paid (Tổng số thuế đã khấu trừ, tạm nộp): Total tax deducted by all employers, proven by your Withholding Certificates (Box [37] in Vietnam + Box [38] abroad). * Box [43] Additional Tax Payable (Số thuế còn phải nộp): If Box [35] > Box [36], you owe additional tax to the State Treasury. * Box [45] Overpaid Tax / Tax Refund Requested (Số thuế nộp thừa / Đề nghị hoàn): If Box [36] > Box [35], you overpaid tax! * Box [46]: Tick to carry forward and offset against subsequent tax periods. * Box [47]: Tick to request a direct Cash Refund (Hoàn trả). * Box [48] Bank Information for Refund: Enter your Vietnamese bank account number, bank name, and provincial branch.

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Appendix Form 02-1/BK-QTT-TNCN (Dependants)

If claiming family deductions in Box [30], you must complete Appendix 02-1/BK-QTT-TNCN:

1. Enter each dependant's full name, date of birth, passport/ID number, and dependant tax code (MST người phụ thuộc).
2. Enter the Start Month and End Month of dependency during the tax year.
3. The eTax portal automatically multiplies the months by VND 4,400,000 (2025) or VND 6,200,000 (2026) and inputs the sum into Box [30].

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How to File on eTax Mobile & thuedientu.gdt.gov.vn

Option A: Filing via eTax Mobile (iOS / Android)

1. Download eTax Mobile from the Apple App Store or Google Play Store.
2. Log in using your 10-digit Tax Code (MST) and electronic tax password or VNeID Level 2.
3. Tap Tiện ích → Quyết toán thuế → Kê khai quyết toán thuế TNCN.
4. Select Form 02/QTT-TNCN and tax year.
5. Fill in the boxes as detailed in our guide above.
6. Upload scanned PDF attachments: Withholding certificates, salary confirmation, and passport.
7. Confirm via SMS OTP. Note your tracking reference code (Mã hồ sơ).

Option B: Filing via thuedientu.gdt.gov.vn (Desktop)

1. Visit canhan.gdt.gov.vn.
2. Click Đăng nhập (Individual login).
3. Select Quyết toán thuế → Kê khai trực tuyến (Online filing).
4. Select Form 02/QTT-TNCN (TT80/2021).
5. The web interface provides interactive field checking and auto-sums boxes [26], [28], [34], and [35].
6. Digitally sign and submit your electronic dossier.

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Determining Which Tax Office Receives Your File

One of the most frequent rejection reasons for expat returns is submitting to the wrong tax office (Cơ quan thuế nộp hồ sơ). Under Circular 80/2021/TT-BTC Article 72:

* Scenario A (Still working at your last employer at filing time): Submit to the District/Provincial Tax Department directly managing your employer. * Scenario B (Changed employers, currently working for another employer): Submit to the tax department managing your current employer. * Scenario C (Unemployed or freelance at filing time): Submit to the District Tax Department (Chi cục Thuế) where you have registered temporary residence (tạm trú) in Vietnam.

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Claiming Your Cash Refund (Boxes [45], [47], [48])

Once Form 02/QTT-TNCN is submitted:

1. Within 1 to 3 working days, the tax office issues an electronic Receipt Notice (Thông báo tiếp nhận - Mẫu 01-1/TB-TĐT).
2. The tax officer inspects your attached withholding certificates against corporate filings in the national tax database.
3. For clear, compliant returns ("refund-first" status), funds are wired directly into your bank account within 6 to 10 working days.
4. If discrepancies exist ("audit-first" status), the tax office may request supplementary documentation, with a statutory resolution window of up to 40 working days.

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Top 6 Mistakes Expats Make on Form 02/QTT-TNCN

1. Missing Withholding Certificates: Submitting without electronic XML/PDF certificates from all employers guarantees immediate rejection.
2. Name Mismatch on Bank Account: Your Vietnamese bank account name must match your passport exactly (no flipped middle names).
3. Selecting Wrong Tax Agency: Sending the return to the wrong district tax department results in jurisdictional transfer delays of 2–3 months.
4. Failing to Register Dependants First: You cannot claim deductions in Appendix 02-1 without first obtaining a dependant tax code.
5. Ignoring the VND 50,000 Rule: Under Decree 126/2020, if your additional tax due is VND 50,000 or less, you are legally exempt from filing; if your refund is ≤ VND 50,000, it cannot be refunded in cash but is rolled forward.
6. Closing Vietnamese Bank Accounts Early: Expats leaving Vietnam often close their local bank account before the refund deposit clears. Keep the account open until the funds land.

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Sources: Circular 80/2021/TT-BTC, Law on Tax Administration 38/2019/QH14 & 108/2025/QH15, Decree 252/2026/ND-CP, Decree 126/2020/ND-CP. Official e-tax filing portals: canhan.gdt.gov.vn and thuedientu.gdt.gov.vn.