Tax
A 2023 Law on Taxation consolidating a self-assessment regime
The Law on Taxation was substantially reissued in 2023, consolidating amendments and confirming the shift of all taxpayers to the self-assessment regime. Corporate tax is 20% generally, with 30% for oil, gas and certain mining. VAT is 10%. The General Department of Taxation has expanded e-filing and audit activity considerably.
Governing law
- Law on Taxation, 2023 — Consolidated taxation law.
- Law on Financial Management — Annual finance law adjusting rates and thresholds.
In practice
Corporate income tax is 20%, or 30% for petroleum and specified mineral operations. VAT is 10% on taxable supplies, with registration mandatory above turnover thresholds. Withholding tax applies to resident and non-resident payments at varying rates, 14% for most non-resident payments. Monthly prepayment of income tax at 1% of turnover applies to self-assessment taxpayers. The 1% monthly turnover prepayment is a cash-flow issue for low-margin businesses and is creditable, not additional. Cambodia's treaty network is small but growing; check for a treaty before assuming the 14% withholding rate.