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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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— flagged for review.
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Angola Corporate Income Tax

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

Income TaxAngolaSource-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

Angola VAT / GST

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

VAT / GSTAngolaSource-cited draft
Burundi Company Formation & Entity Choice

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

Company FormationBurundiSource-cited draft
Burundi Personal Income Tax

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

Income TaxBurundiSource-cited draft
Benin VAT / GST

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

VAT / GSTBeninSource-cited draft
Lithuania Payroll & Social Contributions

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

PayrollLithuaniaSource-cited draft
Uzbekistan Payroll

Whenever asked about Uzbekistan (the Republic of Uzbekistan — Oʻzbekis…

PayrollUzbekistanSource-cited draft
Bhutan VAT / GST

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

VAT / GSTBhutanSource-cited draft
GA Corporate And Ptet—Georgia (US)Source-cited draft
WI Sales Tax

Whenever asked about Wisconsin sales tax, Wisconsin use tax, Wisconsin…

VAT / GSTWisconsinSource-cited draft
Global Cloud Infrastructure

Pattern library for cloud, infrastructure, and developer tool vendors …

—GLOBALSource-cited draft
OK Sales Tax

Whenever asked about Oklahoma sales tax, Oklahoma use tax, OTC sales t…

VAT / GSTOklahomaSource-cited draft
Argentina Corporate Income Tax

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

Income TaxArgentinaSource-cited draft
Maldives GST

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

VAT / GSTMaldivesSource-cited draft
Angola Payroll & Social Contributions

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

PayrollAngolaSource-cited draft
CN Corporate Tax

当被问及中国企业所得税(CIT)相关事宜时使用本技能。触发关键词包括:"中国企业所得税"、"CIT 25%"、"小型微利企业"、"高新技术企…

Income TaxChinaSource-cited draft
Belgium Einvoice

Whenever asked about e-invoicing in Belgium, Peppol B2B mandate, Mercu…

E-InvoicingBelgiumSource-cited draft
Georgia (Country) Social Contributions & Funded Pension

Whenever asked about social contributions, social security, or the man…

PayrollGeorgiaSource-cited draft
Bahamas Personal Income Tax

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

Income TaxBahamasSource-cited draft
Samoa Personal Income Tax

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

Income TaxSamoaSource-cited draft
Uzbekistan Social Tax & Payroll Contributions

Whenever asked about Uzbekistan employer social tax (social insurance …

PayrollUzbekistanSource-cited draft
NC Income Tax

Whenever asked about North Carolina individual income tax for self-emp…

Income TaxNorth CarolinaSource-cited draft
Laos Payroll & Social Contributions

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

PayrollLaosSource-cited draft
Cameroon Income Tax -- IRPP

Whenever asked about Cameroon personal income tax (IRPP) for salaried …

Income TaxCameroonSource-cited draft
GA Net Worth Tax

Tier 2 Georgia content skill for the Net Worth Tax under Form 600 Part…

Income TaxGeorgia (US)Source-cited draft
IA Sales Tax

Whenever asked about Iowa sales and use tax. Trigger on phrases like "…

VAT / GSTIowaSource-cited draft
IN PayrollPayrollIndianaSource-cited draft
Mozambique VAT

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

VAT / GSTMozambiqueSource-cited draft
Benin Corporate Income Tax

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

Income TaxBeninSource-cited draft
Afghanistan Corporate Income Tax

Source-cited draft: corporate income tax for Afghanistan (tax year 202…

Income TaxAfghanistanSource-cited draft
UA Einvoice

Whenever asked about Ukrainian electronic invoicing and digital tax re…

E-InvoicingUkraineSource-cited draft
CO Sales Tax

Whenever asked about Colorado sales and use tax, home-rule cities, CDO…

VAT / GSTColoradoSource-cited draft
MO Sales Tax

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

VAT / GSTMissouriSource-cited draft
DR Congo Personal Income Tax

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

Income TaxDR CongoSource-cited draft
OH Income Tax

Triggers when the taxpayer is an Ohio resident sole proprietor or sing…

Income TaxOhioSource-cited draft
Monaco Company Formation & Entity Choice

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

Company FormationMonacoSource-cited draft
Cayman Islands Payroll & Social Contributions

Source-cited draft: payroll & social contributions for Cayman Islands …

PayrollCayman IslandsSource-cited draft
Cape Verde Payroll & Social Contributions

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

PayrollCape VerdeSource-cited draft
Myanmar Ct

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

—MyanmarSource-cited draft
Georgia Payroll

Whenever asked about Georgia (the country / Republic of Georgia — Saka…

PayrollGeorgiaSource-cited draft
GA Estimated Tax Depth

Tier 2 Georgia content skill for individual and corporate estimated ta…

Income TaxGeorgia (US)Source-cited draft
Bhutan Payroll & Social Contributions

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

PayrollBhutanSource-cited draft
GR Efka

Whenever asked about Greek EFKA (e-EFKA / Ενιαίος Φορέας Κοινωνικής Ασ…

PayrollGreeceSource-cited draft
Fiji Payroll & Social Contributions

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

PayrollFijiSource-cited draft
DE Social Contributions

Whenever asked about German social insurance contributions (Sozialvers…

PayrollGermanySource-cited draft
Slovenia Income Tax -- Self-Employed and Individuals

Whenever asked about Slovenia (Slovenija) personal income tax for self…

Income TaxSloveniaSource-cited draft
Bhutan Company Formation & Entity Choice

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

Company FormationBhutanSource-cited draft
Iceland Tax Optimization

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

Tax OptimizationIcelandSource-cited draft
Cuba Company Formation & Entity Choice

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

Company FormationCubaSource-cited draft
Botswana VAT / GST

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

VAT / GSTBotswanaSource-cited draft

Dominican Republic

22 Guides · Partner: Miguel Lantigua

Guides awaiting reviewBecome a Partner