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Employment income tax is calculated using progressive rates from 0-35%. Standard deductions include 50% of income (up to 100,000 baht) and personal allowances.

Common deductions include personal allowance (฿60,000), spouse allowance (฿60,000), child education, life insurance premiums, and retirement fund contributions.

The deadline for filing personal income tax in Thailand is March 31st of the following year. For income earned in 2023, you must file by March 31st, 2024.

Business owners must register for VAT if annual revenue exceeds 1.8 million baht, file monthly VAT returns, and maintain proper accounting records.

Corporate income tax is generally 20% of net profits. SMEs may qualify for reduced rates on profits up to 3 million baht.

Businesses must file VAT returns monthly, withholding tax returns monthly, and corporate income tax returns twice a year.

Rental income is taxed at progressive rates with a standard deduction of 30% allowed for expenses. Additional deductions may apply for repairs and maintenance.

If your annual rental income exceeds 1.8 million baht, you must register for VAT. However, residential rentals are VAT-exempt.

You can claim deductions for property maintenance, repairs, insurance, property tax, and mortgage interest payments.

Capital gains from stock trading on the SET are tax-exempt. Dividend income is taxed at 10% withholding tax. Interest income is generally subject to 15% withholding tax.

Foreign investment income is taxable if remitted to Thailand in the same year it was earned. Different rates apply to different types of investment income.

Yes, investments in Long Term Equity Funds (LTF) and Retirement Mutual Funds (RMF) can qualify for tax deductions subject to certain conditions.