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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.

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.

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1810 Guides · 1595 matching · 244 jurisdictions

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Mongolia Payroll & Social Contributions

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

PayrollMongoliaSource-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

Azerbaijan Payroll

Whenever asked about Azerbaijan payroll processing for employed person…

PayrollAzerbaijanSource-cited draft
Turkmenistan Corporate Income Tax

Source-cited draft: corporate income tax for Turkmenistan (tax year 20…

Income TaxTurkmenistanSource-cited draft
GA Sales Tax

Whenever asked about Georgia sales and use tax. Trigger on phrases lik…

VAT / GSTGeorgia (US)Source-cited draft
Export declaration requirement for imported goods

Export declaration requirement for imported goods: a guide for importe…

Corporate TaxKenyaSource-cited draft
Ohio Sales Tax

Whenever asked about Ohio sales and use tax, ODT filings, Ohio CAT, Oh…

VAT / GSTOhioSource-cited draft
Kuwait Tax

Whenever asked about Kuwait taxation, corporate income tax, ZAKAT, or …

Income TaxKuwaitSource-cited draft
PL Capital Gains

Poland capital gains tax: 19% Belka tax on investment income, no holdi…

Income TaxPolandSource-cited draft
Zambia Tax Overview

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

Income TaxZambiaSource-cited draft
NZ Provisional Tax

Whenever asked about New Zealand provisional tax for individuals, comp…

Income TaxNew ZealandSource-cited draft
EG Sme Tax

Whenever asked about Egypt's simplified or SME tax regime for small se…

Income TaxEgyptSource-cited draft
Armenia Payroll

Whenever asked about Armenia (Republic of Armenia — Hayastan, South Ca…

PayrollArmeniaSource-cited draft
Paraguay Personal Income Tax (IRP) -- Self-Employed

Whenever asked about Paraguay personal income tax (IRP) for self-emplo…

Income TaxParaguaySource-cited draft
IE Payroll

Whenever asked to compute, review, or advise on end-to-end Irish month…

PayrollIrelandSource-cited draft
Montenegro Social Security Contributions & Salary Tax

Whenever asked about Montenegro social security contributions and payr…

PayrollMontenegroSource-cited draft
MA Bookkeeping

Whenever asked about record-keeping, bookkeeping, or invoicing obligat…

BookkeepingMoroccoSource-cited draft
CA Estimated Tax 540es

Tier 2 California content skill for computing California estimated tax…

Income TaxCaliforniaSource-cited draft
Mozambique Payroll

Whenever asked about Mozambique payroll processing for employed person…

PayrollMozambiqueSource-cited draft
Ecuador Company Formation & Entity Choice

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

Company FormationEcuadorSource-cited draft
Armenia VAT

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

VAT / GSTArmeniaSource-cited draft
Dominican Republic Corporate Income Tax

Source-cited draft: corporate income tax for Dominican Republic (tax y…

Income TaxDominican RepublicSource-cited draft
Global Payment Processors

Classification rules for payment processor transactions — the number o…

—GLOBALSource-cited draft
Algeria VAT

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

VAT / GSTAlgeriaSource-cited draft
Georgia Tax Overview

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

Income TaxGeorgiaSource-cited draft
Mauritius Personal Income Tax

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

Income TaxMauritiusSource-cited draft
Bahrain Payroll & Social Contributions

Source-cited draft: payroll & social contributions for Bahrain (tax ye…

PayrollBahrainSource-cited draft
Lebanon Tax Overview

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

Income TaxLebanonSource-cited draft
Maldives Personal Income Tax

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

Income TaxMaldivesSource-cited draft
Malaysia Tax Overview

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

Income TaxMalaysiaSource-cited draft
Chad Corporate Income Tax

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

Income TaxChadSource-cited draft
Bulgaria Company Formation & Entity Choice

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

Company FormationBulgariaSource-cited draft
GA Income Tax

Georgia Individual Income Tax Return (Form 500) for sole proprietors a…

Income TaxGeorgia (US)Source-cited draft
Saf T Realtime Ereporting Matrix

Whenever a tax preparer, ERP implementer, or e-invoicing project asks …

Cross-BorderGLOBALSource-cited draft
Bahrain Tax Overview

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

Income TaxBahrainSource-cited draft
JP Etax Filing

Whenever asked about filing a Japanese tax return electronically via e…

E-InvoicingJapanSource-cited draft
Bangladesh Company Formation & Entity Choice

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

Company FormationBangladeshSource-cited draft
Andorra Corporate Income Tax

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

Income TaxAndorraSource-cited draft
Burkina Faso Tax Overview

Source-cited draft: tax overview for Burkina Faso (tax year 2025) — ra…

Income TaxBurkina FasoSource-cited draft
MX Imss

Whenever asked about Mexican IMSS social security for self-employed in…

PayrollMexicoSource-cited draft
Estonia VAT Return

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

VAT / GSTEstoniaSource-cited draft
Bulgaria Tax Overview

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

Income TaxBulgariaSource-cited draft
Malawi Payroll & Social Contributions

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

PayrollMalawiSource-cited draft
France Tax Optimization

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

Tax OptimizationFranceSource-cited draft
Cameroon VAT

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

VAT / GSTCameroonSource-cited draft
Barbados Tax Overview

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

Income TaxBarbadosSource-cited draft
Belarus Tax Overview

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

Income TaxBelarusSource-cited draft
Tax research with your AI: how to do it defensibly

The method for researching any tax question with the AI you already us…

ReferencesgeneralSource-cited draft
Spain Bookkeeping

Whenever asked about bookkeeping, chart of accounts, Plan General de C…

BookkeepingSpainSource-cited draft
Armenia Corporate Income Tax

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

Income TaxArmeniaSource-cited draft
Excise Tax Workflow Base

Tier 1 workflow base for excise duty skills covering harmonised excise…

Income TaxGLOBALSource-cited draft

United Kingdom

27 Guides · Reviewed by: James Power

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