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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.

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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 · 1595 matching · 244 jurisdictions

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Ukraine Corporate Income Tax

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

Income TaxUkraineSource-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

Armenia Tax Overview

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

Income TaxArmeniaSource-cited draft
Uruguay Tax Overview

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

Income TaxUruguaySource-cited draft
British Virgin Islands Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for British Virg…

Company FormationBritish Virgin IslandsSource-cited draft
LA Income Tax

Whenever asked about Louisiana individual income tax. Trigger on phras…

Income TaxLouisianaSource-cited draft
British Virgin Islands VAT / GST

Source-cited draft: vat / gst for British Virgin Islands (tax year 202…

VAT / GSTBritish Virgin IslandsSource-cited draft
MD Sales Tax

Whenever asked about Maryland sales and use tax. Trigger on phrases li…

VAT / GSTMarylandSource-cited draft
Monaco Tax Overview

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

Income TaxMonacoSource-cited draft
Trinidad and Tobago Corporate Income Tax

Source-cited draft: corporate income tax for Trinidad and Tobago (tax …

Income TaxTrinidad and TobagoSource-cited draft
Taiwan Corporate Income Tax

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

Income TaxTaiwanSource-cited draft
Montenegro Company Formation & Entity Choice

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

Company FormationMontenegroSource-cited draft
Uzbekistan Corporate Income Tax

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

Income TaxUzbekistanSource-cited draft
IE VAT Return

This skill has been consolidated. See ireland-vat-return.md in this di…

VAT / GSTIrelandSource-cited draft
Jamaica Gct

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

VAT / GSTJamaicaSource-cited draft
Vietnam Company Formation & Entity Choice

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

Company FormationVietnamSource-cited draft
Laos VAT

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

VAT / GSTLaosSource-cited draft
NL VAT Return

Redirect — consolidated into netherlands-vat-return.md in this directo…

VAT / GSTNetherlandsSource-cited draft
Bosnia and Herzegovina Payroll

Whenever asked about Bosnia and Herzegovina payroll processing for emp…

PayrollBosnia and HerzegovinaSource-cited draft
Spain Tax Optimization

Whenever asked about reducing tax in Spain, tax planning, saving tax, …

Tax OptimizationSpainSource-cited draft
Djibouti Personal Income Tax

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

Income TaxDjiboutiSource-cited draft
NV Commerce And Mbt—NevadaSource-cited draft
Zimbabwe Tax Overview

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

Income TaxZimbabweSource-cited draft
Cuba Payroll & Social Contributions

Source-cited draft: payroll & social contributions for Cuba (tax year …

PayrollCubaSource-cited draft
Morocco VAT

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

VAT / GSTMoroccoSource-cited draft
Png GST

Whenever asked to prepare, review, or create a Papua New Guinea GST re…

VAT / GSTPapua New GuineaSource-cited draft
QC Employer Contributions

Whenever asked about Quebec-specific employer contributions — CNESST (…

PayrollCanadaSource-cited draft
BC Eht

For British Columbia Employer Health Tax — replaced MSP premiums in 20…

—CanadaSource-cited draft
Oman VAT

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

VAT / GSTOmanSource-cited draft
Zimbabwe Personal Income Tax

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

Income TaxZimbabweSource-cited draft
MT Income Tax

Whenever asked about Montana individual income tax for self-employed p…

Income TaxMontanaSource-cited draft
Bosnia and Herzegovina Tax Overview

Source-cited draft: tax overview for Bosnia and Herzegovina (tax year …

Income TaxBosnia and HerzegovinaSource-cited draft
Mauritius VAT

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

VAT / GSTMauritiusSource-cited draft
Germany Financial Statements

When preparing, reviewing, or advising on annual financial statements …

Financial StatementsGermanySource-cited draft
OH Cat Tax

Triggers when the taxpayer operates a business in Ohio with gross rece…

Income TaxOhioSource-cited draft
Trinidad and Tobago Tax Overview

Source-cited draft: tax overview for Trinidad and Tobago (tax year 202…

Income TaxTrinidad and TobagoSource-cited draft
NM Sales Tax

Whenever asked about New Mexico Gross Receipts Tax (GRT). Trigger on p…

VAT / GSTNew MexicoSource-cited draft
Lebanon VAT

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

VAT / GSTLebanonSource-cited draft
OH Cat—OhioSource-cited draft
Lebanon Personal Income Tax

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

Income TaxLebanonSource-cited draft
NY Mctmt—New YorkSource-cited draft
Ecuador Tax Overview

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

Income TaxEcuadorSource-cited draft
KE Income Tax 2

Whenever asked about Kenyan income tax for self-employed individuals. …

—KenyaSource-cited draft
Qatar Tax

Whenever asked about Qatar indirect tax or VAT status. Qatar does NOT …

Income TaxQatarSource-cited draft
RI Income Tax

Triggers when the taxpayer is a Rhode Island resident sole proprietor …

Income TaxRhode IslandSource-cited draft
WY Formation

Tier 2 Wyoming content skill for entity formation covering tax year 20…

Company FormationWyomingSource-cited draft
ND Sales Tax

Whenever asked about North Dakota sales and use tax. Trigger on phrase…

VAT / GSTNorth DakotaSource-cited draft
WA Bo TaxIncome TaxWashingtonSource-cited draft
VA Corporate Tax And Bpol—VirginiaSource-cited draft
SD Corporate Income Tax

Whenever asked about Sudanese corporate income tax (Business Profits T…

—SudanSource-cited draft
NJ Sales Tax

Whenever asked about New Jersey sales and use tax. Trigger on phrases …

VAT / GSTNew JerseySource-cited draft

United Kingdom

27 Guides · Reviewed by: James Power

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