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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.

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

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.

1752 Guides · 1548 matching · 241 jurisdictions

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— researched and cited, not yet reviewed by a licensed practitioner.
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— reviewed as general reference material by a named licensed practitioner.
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San Marino Company Formation & Entity Choice

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

Company FormationSan MarinoSource-cited draft

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1752 Guides across 241 jurisdictions. You do not need to review an entire country — choose a Guide within your expertise and get credited as an Open Accountants Partner on the ones you review.

GLOBAL

61 Guides · Awaiting review

US Federal

58 Guides · Awaiting review

Spain

22 Guides · Awaiting review

Australia

20 Guides · Awaiting review

Canada

35 Guides · Partner: Edgar Lautsyus

San Marino Corporate Income Tax

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

Income TaxSan MarinoSource-cited draft
Namibia VAT / GST

Source-cited draft: vat / gst for Namibia (tax year 2025) — rates, thr…

VAT / GSTNamibiaSource-cited draft
Malawi VAT / GST

Source-cited draft: vat / gst for Malawi (tax year 2025) — rates, thre…

VAT / GSTMalawiSource-cited draft
Macau VAT / GST

Source-cited draft: vat / gst for Macau (tax year 2025) — rates, thres…

VAT / GSTMacauSource-cited draft
Gambia Personal Income Tax

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

Income TaxGambiaSource-cited draft
Mauritania Company Formation & Entity Choice

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

Company FormationMauritaniaSource-cited draft
Namibia Personal Income Tax

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

Income TaxNamibiaSource-cited draft
Mali Payroll & Social Contributions

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

PayrollMaliSource-cited draft
Mali Personal Income Tax

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

Income TaxMaliSource-cited draft
Malawi Tax Overview

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

Income TaxMalawiSource-cited draft
Chad Personal Income Tax

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

Income TaxChadSource-cited draft
Mali Company Formation & Entity Choice

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

Company FormationMaliSource-cited draft
HI Income Tax

Hawaii Individual Income Tax Return (Form N-11) for sole proprietors a…

Income TaxHawaiiSource-cited draft
Macau Payroll & Social Contributions

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

PayrollMacauSource-cited draft
Namibia Payroll & Social Contributions

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

PayrollNamibiaSource-cited draft
Malawi Payroll & Social Contributions

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

PayrollMalawiSource-cited draft
Gambia Corporate Income Tax

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

Income TaxGambiaSource-cited draft
Guinea-Bissau Tax Overview

Source-cited draft: tax overview for Guinea-Bissau (tax year 2025) — r…

Income TaxGuinea-BissauSource-cited draft
Minnesota Sales Tax

Whenever asked about Minnesota sales and use tax. Trigger on phrases l…

VAT / GSTMinnesotaSource-cited draft
AZ Transaction Privilege TaxIncome TaxArizonaSource-cited draft
AU GST Bas

Australian Business Activity Statement (BAS) — non-GST sections. Cover…

VAT / GSTAustraliaSource-cited draft
Senegal Personal Income Tax (IRPP) —

Whenever asked about Senegal personal income tax (IRPP — Impôt sur le …

Income TaxSenegalSource-cited draft
Kyrgyzstan Tax Overview

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

Income TaxKyrgyzstanSource-cited draft
Guinea-Bissau Payroll & Social Contributions

Source-cited draft: payroll & social contributions for Guinea-Bissau (…

PayrollGuinea-BissauSource-cited draft
Guinea Payroll & Social Contributions

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

PayrollGuineaSource-cited draft
Kyrgyzstan Payroll & Social Contributions

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

PayrollKyrgyzstanSource-cited draft
Equatorial Guinea Corporate Income Tax

Source-cited draft: corporate income tax for Equatorial Guinea (tax ye…

Income TaxEquatorial GuineaSource-cited draft
US Foreign Earned Income 2555

Tier 2 US federal content skill for §911 Foreign Earned Income Exclusi…

—US FederalSource-cited draft
Lesotho VAT / GST

Source-cited draft: vat / gst for Lesotho (tax year 2025) — rates, thr…

VAT / GSTLesothoSource-cited draft
Kyrgyzstan Personal Income Tax

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

Income TaxKyrgyzstanSource-cited draft
Liberia Personal Income Tax

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

Income TaxLiberiaSource-cited draft
Guinea Tax Overview

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

Income TaxGuineaSource-cited draft
Macau Tax Overview

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

Income TaxMacauSource-cited draft
Malawi Personal Income Tax

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

Income TaxMalawiSource-cited draft
Liberia Tax Overview

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

Income TaxLiberiaSource-cited draft
Mali Corporate Income Tax

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

Income TaxMaliSource-cited draft
Liberia Payroll & Social Contributions

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

PayrollLiberiaSource-cited draft
US Foreign Tax Credit 1116

Tier 2 US federal content skill for §901 Foreign Tax Credit (Form 1116…

—US FederalSource-cited draft
Lesotho Corporate Income Tax

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

Income TaxLesothoSource-cited draft
Macau Company Formation & Entity Choice

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

Company FormationMacauSource-cited draft
Libya Tax Overview

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

Income TaxLibyaSource-cited draft
Madagascar Personal Income Tax

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

Income TaxMadagascarSource-cited draft
Afghanistan Personal Income Tax

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

Income TaxAfghanistanSource-cited draft
PL Capital Gains

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

Income TaxPolandSource-cited draft
ND Corporate TaxIncome TaxNorth DakotaSource-cited draft
Lesotho Personal Income Tax

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

Income TaxLesothoSource-cited draft
Lesotho Payroll & Social Contributions

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

PayrollLesothoSource-cited draft
NG Payroll

Whenever asked to compute, review, or advise on end-to-end Nigerian mo…

PayrollNigeriaSource-cited draft
Mozambique Payroll

Whenever asked about Mozambique payroll processing for employed person…

PayrollMozambiqueSource-cited draft

Dominican Republic

22 Guides · Partner: Miguel Lantigua

Guides awaiting reviewBecome a Partner