Tax in Mongolia

Who is the tax authority and where do filings live?

Mongolia's General Department of Taxation (GDT), under the Ministry of Finance, administers Mongolia's tax system [SC1]. Customs administered by Mongolian Customs General Authority. Substantive law: General Tax Law 2019, Personal Income Tax Law (post-2019 reform with successive amendments), Corporate Income Tax Law, VAT Law, and successive amendments.

What is the tax year and when are returns due?

Individual tax year is the calendar year. Personal returns due 15 February of year following tax year [SC1]. Wage tax withheld monthly. Corporate annual returns due 10 February. VAT monthly by 10th of following month.

Who is a Mongolian tax resident?

Under PIT Law, an individual is tax resident if (a) physically present 183+ days in tax year, OR (b) maintaining principal residence in Mongolia [SC2]. Residents taxed on worldwide income.

What are the personal income tax rates?

Post-2023 reform: 10 percent up to MNT 120m; 15 percent on MNT 120m-180m; 20 percent above MNT 180m [SC1]. Investment income (dividends from Mongolian companies) face 10 percent WHT. Capital gains 10 percent flat.

How does Mongolia's corporate tax work?

Sliding CIT: 10 percent on taxable income up to MNT 6bn; 25 percent above [SC2]. Mining sector under Mineral Royalty plus CIT framework. Withholding on non-resident dividends 20 percent. Pillar Two not transposed. Tax losses 4 years (8 mining/infrastructure).

What about VAT?

Standard VAT 10 percent [SC3]. Zero-rated on exports. Registration above MNT 50m turnover. e-VAT system progressively expanded with consumer-cashback incentives.

How are cryptoassets taxed?

Bank of Mongolia advisory: cryptoassets not legal tender [SC2]. Where declared, gains under existing income-tax categories.

What is the treaty network and what are the audit triggers?

Mongolia has approximately 26 active double tax treaties [SC4]. MLI signed 2018. Standard SOL 4 years; extended for fraud.

What are the common penalties and pitfalls for foreigners?

Penalty framework: late filings, failure to file, incorrect declarations [SC5]. Common pitfalls: (1) sliding 10/25 percent CIT MNT 6bn threshold; (2) mining royalty + CIT framework; (3) ~26 DTCs; (4) MLI signed 2018; (5) post-2019 General Tax Law modernisation; (6) e-VAT consumer-cashback framework; (7) Pillar Two not transposed; (8) post-2023 PIT 3-bracket reform; (9) BoM crypto advisory; (10) tax losses 4 years (8 mining/infrastructure).