Question 1

Which Section 40 category does freelance income fall under?

Accepted Answer

Most freelance income can fall under more than one Section 40 category depending on the actual nature of the work, not the job title used. General contract work such as writing content or shooting photos on assignment usually falls under category 8 income. Work in a legally recognised profession — lawyers, engineers, architects, accountants, or doctors operating independently — is classified as category 6 income, while brokers or agents earning commission for arranging a sale typically fall under category 2. Misclassification affects both the lump-sum deduction rate available and which return form applies, so every contract and invoice should be reviewed against the work actually performed.

Question 2

Lump-sum versus actual expenses — which deduction method is worth more?

Accepted Answer

Category 8 income can generally use a flat 60% expense deduction with no supporting evidence required, while category 6 income allows a 60% flat rate only for certain professions like medicine — lawyers and engineers, for instance, are capped at just 30% under the flat method. Taxpayers should compare each year whether documented actual costs, such as office rent, assistant wages, or equipment, exceed the flat rate; if actual costs are higher, receipts should be kept and the actual-expense method chosen instead. Whichever method is used on a given year's return becomes locked in for that filing and cannot be switched retroactively.

Question 3

How do PND 90 and PND 94 differ, and must both be filed?

Accepted Answer

Freelancers with category 5 through 8 income must file PND 94 to pay mid-year tax on income earned from January through June, due by the end of September of the same year, then credit that tax already paid against the tax computed when filing PND 90 for the full year's income by the end of March the following year. The mid-year filing isn't an optional add-on — it's a separate statutory obligation that runs alongside the year-end filing. Missing it triggers its own surcharge and penalty, calculated independently from any penalty for a late year-end return.

Question 4

The client withheld 3% tax from my fee — what can I do with it?

Accepted Answer

When a freelancer provides services to a company or partnership, the payer is required to withhold tax at 3% of the fee under Section 3 Bis and must issue a withholding tax certificate every time payment is made. The recipient should keep every certificate as evidence to credit the withheld amount against the tax computed on the annual return. If the actual tax liability comes out lower than what was withheld, the difference is refunded in cash by the Revenue Department — so even after tax has already been withheld, a return still needs to be filed every year to claim that credit or refund.

Question 5

Do I owe Thai tax on income from foreign clients?

Accepted Answer

Spending 180 days or more inside Thailand within a calendar year makes a freelancer a Thai tax resident, and under the updated remittance rule that status pulls foreign-sourced earnings into taxable income the moment the funds land in a Thai bank account — it makes no difference whether the transfer happens in the same year the work was done or years afterward. Fees parked in an overseas account and never wired home escape that treatment entirely. On a separate note, when the buyer consumes the work product wholly abroad, a VAT-registered freelancer may be able to bill it at the zero VAT rate, so retaining the underlying contract plus each remittance slip is essential proof to keep on hand.

Question 6

When should a freelancer register a company instead?

Accepted Answer

No single revenue line automatically triggers incorporation, but a few warning signs are worth tracking. Once taxable net income starts sitting inside the 20%-and-up personal brackets, switching to a juristic entity subject to the tiered SME corporate rate — spanning 0% to 20% — can trim the total tax bill. A company structure also opens doors when the biggest clients are corporates that will only transact with a registered entity able to issue a full tax invoice, so more contracts become reachable. What comes with that is a heavier compliance load — a full set of annual financial statements lodged with the Department of Business Development plus a statutory audit — so an accountant should help weigh that added running cost against the tax saved.

Question 7

Should a freelancer join Social Security Section 39 or Section 40?

Accepted Answer

Section 39 is for those who previously worked as employees under Section 33 and left within six months, offering benefits similar to salaried staff, such as sickness compensation and an old-age pension, in exchange for paying a fixed monthly contribution alone. Section 40 is open to the general public who have never been in the salaried system, with three coverage tiers at different contribution rates ranging from tens to a few hundred baht a month. A freelancer starting out who never held Section 33 status typically only qualifies under Section 40, and the tier chosen should match actual income and risk exposure rather than simply picking the cheapest option.

Question 8

At what income level must a freelancer register for VAT?

Accepted Answer

Once a freelancer's total service income for the year crosses 1.8 million baht — whether earned from a single client or the combined total of many — the law requires registering for VAT within 30 days of crossing that threshold, even as an unincorporated individual, since the VAT obligation tracks revenue from carrying on a business, not legal entity status. Once registered, a full tax invoice must be issued on every payment received, sales and purchase VAT reports maintained, and PP.30 filed with payment every month, submitting a nil return for any month with no income.

Question 9

How should a freelancer correctly issue invoices and receipts?

Accepted Answer

Even a freelancer who hasn't registered for VAT doesn't need to issue a tax invoice, but should still issue an invoice detailing the work, amount, and payment terms before collecting payment, then a receipt immediately upon receiving it, showing the payee's name, address, date, and signature in full. Both documents serve as key evidence when a client requests a withholding tax certificate, and as supporting proof if actual expenses are claimed on the annual return. Copies should be kept for at least five years, matching the period the Revenue Department can reach back into for an audit.

Question 10

Does an unincorporated freelancer need to keep formal accounting records?

Accepted Answer

An unincorporated individual has no legal obligation to keep formal books to accounting-standard rigour the way a company does, but still must retain documents supporting reported income and expenses to back up the figures on the tax return, especially when claiming actual expenses, which requires a receipt or payment record for every item. Keeping a simple monthly income-and-expense log is advisable even though no fixed format is legally mandated, since it makes estimating upcoming tax liability more accurate and reduces risk if documents are later requested for review.

Question 11

How is broker or agent commission income taxed?

Accepted Answer

Commission earned from arranging a sale or contract, without personally producing or delivering the underlying work, is classified as Section 40(2) income, which only allows a flat 50% expense deduction capped at 100,000 baht, unlike category 8 income's 60% flat rate with no fixed ceiling. Commission recipients are typically withheld at 3% just like independent professionals, but this income must be entered under its own category-2 field on the return, not lumped together with category-8 income in the same box.

Question 12

How can a freelancer estimate quarterly tax due in advance?

Accepted Answer

Since freelancers have no employer withholding tax for them every month the way salaried staff do, they should set aside a tax reserve every time payment is received rather than waiting until filing time to work out the number. A practical approach is to estimate cumulative net income for the year each quarter and compare it against the current progressive tax brackets, setting aside cash in a separate account roughly matching the real liability. Doing this consistently avoids scrambling for a large lump sum in March or September.

Question 13

Can co-working space rent or home-office costs be deducted?

Accepted Answer

If actual expenses are claimed, co-working space rent can be deducted in full against the receipt since it's directly tied to earning income. Working from a private home, however, requires apportioning the actual work area against total floor area, then applying that ratio to deductible utility and internet costs — the whole home's expenses cannot be claimed in full since part of it is personal living space. A documented floor-area calculation should be kept on file as evidence if requested during an audit.

Question 14

With multiple clients in the same year, how is income combined for filing?

Accepted Answer

Income from every client falling under the same Section 40 category must be totalled into a single figure before the flat deduction or allowances are applied, rather than calculated contract by contract and summed afterward, since a deduction cap such as the 100,000-baht ceiling under Section 40(2) applies to the yearly total, not per contract. Taxpayers should gather every withholding tax certificate from all clients before starting to fill in the return, so no tax credit gets missed and the refund amount comes out correct.

Question 15

What personal tax allowances can a freelancer claim?

Accepted Answer

Freelancers can claim the same personal allowances as any other taxpayer — personal, spouse, and child allowances, life and health insurance premiums, retirement mutual fund and savings fund contributions, and eligible donations. Because there's no employer contributing to a provident fund on their behalf, freelancers wanting a sizeable retirement-related deduction should plan fund or pension-insurance purchases early in the year rather than rushing near year-end, when the fund chosen may not suit their actual risk profile well.

Question 16

How should income received through platforms like PayPal or Payoneer be reported?

Accepted Answer

Money received through a foreign platform still counts as taxable income the same as a direct transfer into a Thai bank account, but must be converted to baht at the Bank of Thailand's reference exchange rate on the date the income was received or the date the right to it arose, not the date the platform transfer lands in the bank. A monthly platform statement should be kept as supporting evidence, since commercial banks are required to report qualifying deposit transactions to the Revenue Department, and a mismatch with the filed return can trigger a request for explanation.

Question 17

Doing several types of work at once — tutoring and online selling — how should the return separate them?

Accepted Answer

When several activities fall under the same Section 40 category on paper — such as tutoring fees and online sales, both category-8 income — but have very different actual cost structures because product cost enters the picture for sales, income and cost for each activity should still be tracked separately in the taxpayer's own books. Although the PND 90 form may only require one combined figure in that income box, keeping records separated from the start makes later verification far easier and helps decide, activity by activity, whether the flat or actual deduction method serves better.

Question 18

What are the penalties for filing a tax return late or missing it entirely?

Accepted Answer

Filing late — whether PND 94 or PND 90 — carries both a criminal fine of up to 2,000 baht per late return and a surcharge of 1.5% per month on the tax due, running from the due date until actual payment. Even with no additional tax owed, failing to file at all still triggers the fine for missing the filing deadline, since the duty to file is separate from whether extra tax is owed. Freelancers whose income is below the taxable threshold but above the filing threshold still need to submit a nil return on time to avoid this penalty.

Question 19

How does the e-Withholding Tax system affect freelancers?

Accepted Answer

When a paying client uses the e-Withholding Tax service through their bank, the withheld tax is remitted to the Revenue Department automatically on the payment date, rather than the payer separately filing a paper return by the 7th of the following month. The withholding record appears in the Revenue Department's system, which freelancers can check online for their accumulated credit, cutting the risk of a lost or incomplete certificate. That said, freelancers still have to enter this income and the tax withheld through the system into their own annual return manually — the system does not file the income tax return on their behalf.

Question 20

Does mixing a personal bank account with freelance income cause audit trouble?

Accepted Answer

Mixing personal money with freelance income in one account is not illegal, but it makes it hard to prove which deposits are work income versus personal transfers, such as money sent by family or a friend paying back a loan. If the Revenue Department requests bank records because deposits don't line up with declared income, the burden falls on the taxpayer to sort it out with supporting evidence. A dedicated bank account used solely for work income is the recommended fix, making it far quicker to reconcile the year's earnings and reducing friction if asked to explain.

Question 21

Working for one company regularly every month — is there a risk of being reclassified as an employee?

Accepted Answer

If the actual working arrangement involves fixed working hours, direct supervision, use of the employer's equipment, and a fixed monthly payment unrelated to specific deliverables, that relationship fits the legal definition of employer-employee under labour and social security law regardless of what the contract calls it — independent contractor or freelance. The consequence is that the income should really be classified as Section 40(1) employment income, not category 8, and the employer is obligated to register the worker under Social Security Section 33. Anyone in this position should clarify the contract's real nature with the paying company, since a later audit can leave both sides jointly liable for miscalculated contributions and tax.

Question 22

How is YouTube or online-platform ad revenue taxed?

Accepted Answer

Advertising revenue that a content creator earns from a foreign platform such as YouTube is category 8 income for services rendered, and must be included in taxable income once the money is remitted into Thailand, under residence-based rules. Since the payer is a foreign entity, no Thai withholding tax is deducted at source, so the creator has to calculate and pay the full liability themselves with no credit to offset it. Any additional local sponsorship income should be calculated separately and is typically subject to normal withholding by the domestic payer.

Question 23

Can professional licence renewal fees be deducted as an expense?

Accepted Answer

For professionals bound by a statutory licensing requirement — say a CPA or engineering licence — the renewal fee and any compulsory continuing-education charges qualify as actual expenses, since practising legally simply isn't possible without paying them. Opting for the flat deduction instead removes the ability to claim these on top, given that the single flat figure is designed as an all-inclusive substitute for itemising every expense category separately.

Question 24

In a year with a loss or expenses exceeding income, is a return still required?

Accepted Answer

A freelancer whose income reaches the statutory filing threshold — for example, category 8 income above 60,000 baht a year for a single filer — still has to file an income tax return every year even in a year with an operating loss or actual expenses exceeding revenue, since the filing obligation is tied to gross income received, not net profit or loss. Filing an accurate loss-year return still has value: it maintains a continuous tax record, which is often needed as supporting evidence for a loan application or visa application that requests past filing history.

Question 25

Once VAT-registered, can a freelancer reclaim input VAT on work equipment purchases?

Accepted Answer

After VAT registration, a freelancer can offset input VAT on business equipment purchases — a computer, camera, or software — against output VAT when filing PP.30 for that month, provided a proper tax invoice from the seller correctly shows their tax ID. If input VAT in a given month exceeds output VAT, creating an excess credit, the freelancer can either request a cash refund or carry it forward to offset future months, but the equipment must genuinely be for business use — input VAT on personal items cannot be reclaimed.

Question 26

When stopping freelance work entirely, which agencies need to be notified?

Accepted Answer

Anyone previously VAT-registered must file a deregistration request with the Revenue Department and return the VAT certificate, continuing to file PP.30 through the final month of operation rather than simply stopping filing without notice, since the system will keep treating the filer as obligated to submit returns until deregistration is formally approved. Anyone registered under Social Security Section 40 should notify or adjust that status as appropriate, and a normal personal income tax return is still required for whatever income was earned before the business wound down within that tax year.

Question 27

Working as a team of freelancers on a shared project — how should income be split for tax purposes?

Accepted Answer

If a client pays one lump sum to a single team representative who then divides it among the group, that representative will be treated as the sole recipient of the full amount, based on the withholding certificate issued in their name alone, even though the money is passed on to teammates. It's better to have the client pay and issue separate withholding certificates to each individual according to their share of the work from the outset, or draft an agreement clearly splitting the income with receipts issued between the team members, so no single person carries the full tax burden for income they didn't actually keep.

Question 28

If a past year's tax return was filed incorrectly, how can it be amended?

Accepted Answer

If a past filing was found to be wrong — say, some income was left out or an allowance was claimed incorrectly — an amended return for that tax year can be filed at the local Revenue Department office or through the online system, without waiting for an official to catch the error first. Filing an amendment voluntarily before receiving a summons typically results in more lenient penalty and surcharge treatment than being caught and reassessed by an officer later. Supporting documents for the correction should be kept in full, and the additional tax due plus the surcharge should be calculated correctly, running from the original filing date through to the date the amendment is filed.

บัญชีภาษีฟรีแลนซ์และผู้ประกอบวิชาชีพอิสระ ต้องจัดการอย่างไร

ลัดไปยังคำถามในหมวดนี้

แปลเอกสารและรับรองคำแปล

คำแปล NAATI สำหรับออสเตรเลีย

รับรองเอกสารโดยทนาย Notary Public

รับรองนิติกรณ์กรมการกงสุลและสถานทูต

Apostille ตามอนุสัญญาเฮก 1961

วีซ่าและใบอนุญาตทำงาน

หนังสือรับรองความประพฤติและตรวจประวัติอาชญากรรม

จดทะเบียนสมรสและเอกสารครอบครัว

บัญชี ภาษี และงบการเงินสำหรับธุรกิจในไทย

จดทะเบียนบริษัทและการถือหุ้นของชาวต่างชาติ

บัตรเดินทางนักธุรกิจเอเปค (APEC Business Travel Card)

นิติกรณ์เอกสารรายประเทศปลายทาง

เอกสารการศึกษาและใบรับรองวิชาชีพ

ทะเบียนราษฎร หย่า และรับบุตรบุญธรรม

งานแปลเฉพาะทาง สัญญา การแพทย์ และเอกสารคดี

บริการล่ามในงานราชการ ศาล และการเจรจาธุรกิจ

ที่ดิน คอนโด และสัญญาเช่าสำหรับผู้ซื้อชาวต่างชาติ

พันธสัญญา มรดก และการจัดการทรัพย์สินข้ามประเทศ

สัญญาจ้าง เลิกจ้าง และคดีแรงงาน

ส่งเสริมการลงทุน BOI และใบอนุญาตประกอบธุรกิจต่างชาติ

ภาษีบุคคลธรรมดาของชาวต่างชาติและการแลกเปลี่ยนข้อมูลบัญชี

ประกันสังคม กองทุนเงินทดแทน และสิทธิของลูกจ้างต่างชาติ

เครื่องหมายการค้า ลิขสิทธิ์ และทรัพย์สินทางปัญญา

ร่างและตรวจสัญญาธุรกิจ

บังคับคดีและสืบทรัพย์

คดีอาญาและการประกันตัว

ใบอนุญาตประกอบกิจการและ อย.

PDPA และการคุ้มครองข้อมูลส่วนบุคคล

ภาษีที่ดิน สิ่งปลูกสร้าง และค่าโอน

ล้มละลายและฟื้นฟูกิจการ

อุบัติเหตุ ประกันภัย และการเรียกค่าเสียหาย

e-Tax Invoice และระบบภาษีดิจิทัล

พิธีการศุลกากร นำเข้า-ส่งออก

แฟรนไชส์ ไลเซนส์ และตัวแทนจำหน่าย

อนุญาโตตุลาการและการไกล่เกลี่ย

ขายออนไลน์และธุรกิจดิจิทัล

ครอบครัวข้ามชาติ หย่า และอำนาจปกครองบุตร

หน้าที่รายงานตัวและการรักษาสถานะคนต่างชาติ

โอนเงินเข้าออกประเทศและหลักฐานแหล่งเงิน

สัญญาก่อสร้างและงานรับเหมา

สมาคม มูลนิธิ และองค์กรไม่แสวงหากำไร

ขอ อย. อาหาร เครื่องสำอาง และผลิตภัณฑ์สมุนไพร

วีซ่าพำนักระยะยาวในไทย

ใบอนุญาตทำงานและหน้าที่ของนายจ้าง

ภาษีรายได้ดิจิทัลและสินทรัพย์ดิจิทัล

ใบอนุญาตขนส่งและโลจิสติกส์

ใบอนุญาตโรงแรม สถานบริการ และสุรา

ภาษีมูลค่าเพิ่มและใบกำกับภาษี

ใบอนุญาตโรงงานและนิคมอุตสาหกรรม

ใบอนุญาตฟินเทค การชำระเงินและสินทรัพย์ดิจิทัล

ใบอนุญาตคลินิก สปาและธุรกิจสุขภาพ

การเปิดบัญชีธนาคารและการเข้าถึงสินเชื่อของชาวต่างชาติ

ใบขับขี่ การจดทะเบียนรถและการนำรถเข้าประเทศ

ใบสำคัญถิ่นที่อยู่ถาวรและการแปลงสัญชาติ

ใบอนุญาตธุรกิจนำเที่ยวและบัตรมัคคุเทศก์

นิติบุคคลอาคารชุดและหมู่บ้านจัดสรร

การไปทำงานต่างประเทศของแรงงานไทย

ใบอนุญาตโรงเรียนเอกชนและสถาบันกวดวิชา

ที่ดินเกษตรกรรมและเอกสารสิทธิ์แต่ละชั้น

ติดตั้งโซลาร์และใบอนุญาตด้านพลังงาน

งานเงินเดือน สลิปพนักงาน และภาษีหัก ณ ที่จ่ายรายเดือน

ขั้นตอนคดีแพ่งในศาลไทย ตั้งแต่ยื่นฟ้องถึงชั้นฎีกา

หมิ่นประมาท ข้อความออนไลน์ และความผิดทางคอมพิวเตอร์

ถูกสรรพากรตรวจสอบภาษี การประเมิน และการอุทธรณ์

งบการเงิน การสอบบัญชี และการรายงานให้บริษัทแม่

ภาษีหัก ณ ที่จ่าย ใช้อัตราไหน ยื่นแบบใด และแก้ผิดพลาดอย่างไร

ราคาโอนระหว่างบริษัทในเครือ เอกสารที่ต้องมีและวิธีตั้งราคา

ไกล่เกลี่ยและทำสัญญาประนีประนอม ทางจบคดีที่เร็วกว่าการสืบพยาน

ฟ้องหน่วยงานรัฐในศาลปกครอง เงื่อนไข ระยะเวลา และสิ่งที่ขอได้

ข้อพิพาทผู้ถือหุ้นและกรรมการ แก้ทางไหนได้ก่อนถึงศาล

คดีผู้บริโภค ฟ้องร้านหรือถูกลูกค้าฟ้อง ต้องเตรียมอะไร

ภาษีเงินได้นิติบุคคล ยื่นครึ่งปีและปลายปีให้ไม่ถูกปรับ

ย้ายสำนักงานบัญชีหรือเปลี่ยนระบบกลางปี ทำอย่างไรไม่ให้ข้อมูลหาย

งานเลขานุการบริษัท ทะเบียนกรรมการ ประชุมผู้ถือหุ้น และการนำส่งงบ

อากรแสตมป์ ตราสารที่ต้องติด อัตรา และผลเมื่อไม่ปิดอากร

สินค้าคงเหลือและต้นทุน ตรวจนับสต๊อก วิธีคิดต้นทุน และผลต่างที่อธิบายได้

หนังสือมอบอำนาจ เขียนให้ใช้ได้จริงกับที่ดิน ธนาคาร ศาล และหน่วยราชการ

ปิดงบย้อนหลังและงบค้างส่ง ทำให้กลับมาสะอาดได้อย่างไร