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© 2026 OpenAccountants. Open tax rules, reviewed by accountants.

OpenAccountants publishes open, source-cited tax knowledge for use by people, software and AI. Automated outputs are drafts and do not create a professional engagement. Obtain qualified advice before filing, paying or taking a material tax position.

The open Tax Guides

Open Tax Guides for the AI you already use

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Browse the open Tax Guides that power OpenAccountants workflows. Each Guide is designed to be cited, inspectable, and usable by AI systems (as a machine-readable Skill). Some are source-cited drafts. Some have named accountant review. All are open Tax Guides.

The Guides are open. The trust layer shows who reviewed them.

1810 Guides · 244 jurisdictions

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Latvia Corporate Income Tax

Source-cited draft: corporate income tax for Latvia (tax year 2025) — …

Income TaxLatviaSource-cited draft

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1810 Guides across 244 jurisdictions. You do not need to cover an entire country. Publish a Guide within your expertise, under your name, and colleagues attest to the ones they stand behind.

GLOBAL

61 Guides · No accountant yet

United States

60 Guides · No accountant yet

Australia

23 Guides · No accountant yet

Spain

22 Guides · No accountant yet

Canada

35 Guides · Reviewed by: Edgar Lautsyus

Eswatini Payroll & Social Contributions

Source-cited draft: payroll & social contributions for Eswatini (tax y…

PayrollEswatiniSource-cited draft
Bvi Tax

Whenever asked about British Virgin Islands (BVI) taxation, payroll ta…

Income TaxBritish Virgin IslandsSource-cited draft
Bolivia Tax Optimization

Whenever asked about reducing tax in Bolivia, tax planning, or legal s…

Tax OptimizationBoliviaSource-cited draft
Finland Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for Finland (tax…

Company FormationFinlandSource-cited draft
Moldova Tax Overview

Source-cited draft: tax overview for Moldova (tax year 2025) — rates, …

Income TaxMoldovaSource-cited draft
Cayman Islands VAT / GST

Source-cited draft: vat / gst for Cayman Islands (tax year 2025) — rat…

VAT / GSTCayman IslandsSource-cited draft
Moldova Social Contributions, Health Insurance & Personal Income Tax

Whenever asked about Moldova payroll social contributions, health insu…

PayrollMoldovaSource-cited draft
North Macedonia Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for North Macedo…

Company FormationNorth MacedoniaSource-cited draft
Montenegro Corporate Income Tax

Source-cited draft: corporate income tax for Montenegro (tax year 2025…

Income TaxMontenegroSource-cited draft
Kuwait Payroll & Social Contributions

Source-cited draft: payroll & social contributions for Kuwait (tax yea…

PayrollKuwaitSource-cited draft
Lithuania Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for Lithuania (t…

Company FormationLithuaniaSource-cited draft
SA Corporate Tax

ALWAYS read this skill before touching any Saudi Arabian corporate inc…

Income TaxSaudi ArabiaSource-cited draft
Laos Corporate Income Tax

Source-cited draft: corporate income tax for Laos (tax year 2025) — ra…

Income TaxLaosSource-cited draft
MA Formation

Whenever asked about registering or forming a business in Morocco as a…

Company FormationMoroccoSource-cited draft
Bosnia and Herzegovina Tax Optimization

Whenever asked about reducing tax in Bosnia and Herzegovina, tax plann…

Tax OptimizationBosnia and HerzegovinaSource-cited draft
Mauritius Corporate Income Tax

Source-cited draft: corporate income tax for Mauritius (tax year 2025)…

Income TaxMauritiusSource-cited draft
South Korea Crypto Tax

Whenever asked about South Korea cryptocurrency or virtual asset taxat…

Crypto TaxSouth KoreaAttested by another accountant
Honduras Payroll Contributions & Income Tax (ISR)

Whenever asked about Honduras payroll contributions, social security, …

PayrollHondurasSource-cited draft
NG Income Tax

Whenever asked about Nigerian personal income tax for self-employed in…

Income TaxNigeriaSource-cited draft
Monaco Payroll & Social Contributions

Source-cited draft: payroll & social contributions for Monaco (tax yea…

PayrollMonacoSource-cited draft
Kazakhstan Tax Overview

Source-cited draft: tax overview for Kazakhstan (tax year 2025) — rate…

Income TaxKazakhstanSource-cited draft
Turkey Pit

Whenever asked to prepare, review, or classify transactions for Turkey…

Income TaxTurkeySource-cited draft
China to Singapore: domicile, the CRS reckoning, and a clean landing

China is the world's largest source of relocating wealth and Singapore…

Cross-BorderChinaSource-cited draft
Costa Rica IVA

Whenever asked to prepare, review, or classify transactions for a Cost…

VAT / GSTCosta RicaSource-cited draft
DE Trade Tax

Whenever asked about German Trade Tax (Gewerbesteuer / GewSt) for self…

Income TaxGermanySource-cited draft
AE Tax Residency

For any question about UAE tax residency. Trigger on: "UAE tax residen…

Cross-BorderUnited Arab EmiratesAttested by another accountant
ES Estimated Tax

Whenever asked about Spanish estimated income tax payments (pagos frac…

Income TaxSpainSource-cited draft
Fiji Corporate Income Tax

Source-cited draft: corporate income tax for Fiji (tax year 2025) — ra…

Income TaxFijiSource-cited draft
IN Freelance Intake

When a user asks for help preparing their India tax returns AND mentio…

Income TaxIndiaSource-cited draft
Guatemala IVA

Whenever asked to prepare, review, or classify transactions for a Guat…

VAT / GSTGuatemalaSource-cited draft
Iceland Tax Optimization

Whenever asked about reducing tax in Iceland, tax planning, or legal s…

Tax OptimizationIcelandSource-cited draft
Oman Personal Income Tax

Source-cited draft: personal income tax for Oman (tax year 2025) — rat…

Income TaxOmanSource-cited draft
NL Corporate Tax

Whenever asked about Dutch corporate income tax (vennootschapsbelastin…

Income TaxNetherlandsSource-cited draft
Peru Income Tax (Impuesto a la Renta — Rentas de Trabajo)

Whenever asked about Peru income tax (Impuesto a la Renta) for individ…

Income TaxPeruAttested by another accountant
Honduras Tax Overview

Source-cited draft: tax overview for Honduras (tax year 2025) — rates,…

Income TaxHondurasSource-cited draft
Qatar Tax Overview

Source-cited draft: tax overview for Qatar (tax year 2025) — rates, th…

Income TaxQatarSource-cited draft
Rwanda Personal Income Tax

Source-cited draft: personal income tax for Rwanda (tax year 2025) — r…

Income TaxRwandaSource-cited draft
Uganda Payroll & Social Contributions

Source-cited draft: payroll & social contributions for Uganda (tax yea…

PayrollUgandaSource-cited draft
Peru Tax Overview

Source-cited draft: tax overview for Peru (tax year 2025) — rates, thr…

Income TaxPeruSource-cited draft
Papua New Guinea Personal Income Tax

Source-cited draft: personal income tax for Papua New Guinea (tax year…

Income TaxPapua New GuineaSource-cited draft
Bahrain VAT

Whenever asked to prepare, review, or classify transactions for a Bahr…

VAT / GSTBahrainAttested by another accountant
Uzbekistan Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for Uzbekistan (…

Company FormationUzbekistanSource-cited draft
Azerbaijan VAT

Whenever asked to prepare, review, or classify transactions for an Aze…

VAT / GSTAzerbaijanSource-cited draft
British Virgin Islands Payroll & Social Contributions

Source-cited draft: payroll & social contributions for British Virgin …

PayrollBritish Virgin IslandsSource-cited draft
Uruguay Corporate Income Tax

Source-cited draft: corporate income tax for Uruguay (tax year 2025) —…

Income TaxUruguaySource-cited draft
EG Tax Optimization

Whenever asked about legitimate tax optimization, tax planning, or how…

Tax OptimizationEgyptSource-cited draft
Taiwan Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for Taiwan (tax …

Company FormationTaiwanSource-cited draft
Oman Corporate Income Tax

Source-cited draft: corporate income tax for Oman (tax year 2025) — ra…

Income TaxOmanSource-cited draft
US 1099 NEC Issuance

Tier 2 content skill for determining which contractor payments made by…

Income TaxUnited StatesAttested by another accountant

United Kingdom

27 Guides · Reviewed by: James Power

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