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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

Add a Guide

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 · 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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— do not use for current work.
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Bangladesh Tax Overview

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

Income TaxBangladeshSource-cited draft

Showing 351–400 of 1727 Guides

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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

Fiji Personal Income Tax

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

Income TaxFijiSource-cited draft
HK Mpf

Whenever asked about Hong Kong Mandatory Provident Fund (MPF) contribu…

PayrollHong KongSource-cited draft
India Payroll

Whenever asked about Indian payroll processing, employee salary calcul…

PayrollIndiaAccountant-reviewed
Poland Einvoice

Whenever asked about Polish e-invoicing, KSeF, Krajowy System e-Faktur…

E-InvoicingPolandSource-cited draft
New Mexico Sales Tax

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

VAT / GSTNew MexicoSource-cited draft
Central African Republic VAT / GST

Source-cited draft: vat / gst for Central African Republic (tax year 2…

VAT / GSTCentral African RepublicSource-cited draft
MI Pension Retirement Subtraction

Whenever asked about Michigan's pension/retirement income subtraction …

—MichiganSource-cited draft
KY Income Tax

Whenever asked about Kentucky individual income tax. Trigger on phrase…

Income TaxKentuckySource-cited draft
Republic of Congo Tax Overview

Source-cited draft: tax overview for Republic of Congo (tax year 2025)…

Income TaxRepublic of CongoSource-cited draft
DK Income Tax

Whenever asked about Danish income tax for self-employed individuals (…

Income TaxDenmarkSource-cited draft
DR Congo Company Formation & Entity Choice

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

Company FormationDR CongoSource-cited draft
Afghanistan Tax Overview

Source-cited draft: tax overview for Afghanistan (tax year 2025) — rat…

Income TaxAfghanistanSource-cited draft
Finland Corporate Income Tax

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

Income TaxFinlandSource-cited draft
Cape Verde Tax Overview

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

Income TaxCape VerdeSource-cited draft
OR Cat—OregonSource-cited draft
JP Nonpermanent Resident

Japan non-permanent resident regime: foreign income taxed only if remi…

—JapanSource-cited draft
Cape Verde VAT / GST

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

VAT / GSTCape VerdeSource-cited draft
Andorra Payroll & Social Contributions

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

PayrollAndorraSource-cited draft
BE Income Tax

Whenever asked about Belgian income tax (Personenbelasting / Impot des…

Income TaxBelgiumSource-cited draft
Cuba VAT / GST

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

VAT / GSTCubaSource-cited draft
Belize Tax Overview

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

Income TaxBelizeSource-cited draft
Cape Verde Company Formation & Entity Choice

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

Company FormationCape VerdeSource-cited draft
Idaho Sales Tax

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

VAT / GSTIdahoSource-cited draft
JP Freelance Intake

When a user asks for help preparing their Japanese tax returns AND men…

Income TaxJapanSource-cited draft
Belarus Income Tax -- Individuals & Self-Employed

Whenever asked about Belarus personal income tax (podokhodny nalog / п…

Income TaxBelarusSource-cited draft
IN Income Tax

Whenever asked about Indiana individual income tax. Trigger on phrases…

Income TaxIndiaSource-cited draft
Barbados Personal Income Tax

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

Income TaxBarbadosSource-cited draft
UK National Insurance

Whenever asked about UK National Insurance Contributions (NIC) for sel…

PayrollUnited KingdomAccountant-reviewed
NL Freelance Intake

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

Income TaxNetherlandsSource-cited draft
Spain Payroll

Whenever asked about Spanish payroll processing for employees. Trigger…

PayrollSpainSource-cited draft
Withholding Tax Matrix

Whenever a freelancer or small business receives or makes a cross-bord…

Cross-BorderGLOBALSource-cited draft
Andorra Company Formation & Entity Choice

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

Company FormationAndorraSource-cited draft
United Arab Emirates Personal Income Tax

Source-cited draft: personal income tax for United Arab Emirates (tax …

Income TaxUnited Arab EmiratesSource-cited draft
US Education Credits 8863

Tier 2 US federal content skill for education tax benefits — AOTC/LLC …

—US FederalSource-cited draft
Angola Tax Overview

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

Income TaxAngolaSource-cited draft
Kosovo Personal Income Tax -- Self-Employed and Individuals

Whenever asked about Kosovo personal income tax for self-employed indi…

Income TaxKosovoSource-cited draft
PK Withholding Tax

ALWAYS read this skill before touching any Pakistan Withholding Tax (W…

Cross-BorderPakistanAccountant-reviewed
Ethiopia Tax Overview

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

Income TaxEthiopiaSource-cited draft
EU Directives Cross Border

Key EU directives governing cross-border corporate taxation within the…

Cross-BorderEU-27Source-cited draft
Cyprus Payroll

Whenever asked about Cyprus payroll processing for employed persons. T…

PayrollCyprusAccountant-reviewed
DR Congo Corporate Income Tax

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

Income TaxDR CongoSource-cited draft
Isle of Man Personal Income Tax

Source-cited draft: personal income tax for Isle of Man (tax year 2025…

Income TaxIMSource-cited draft
Cuba Payroll & Social Contributions

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

PayrollCubaSource-cited draft
Afghanistan Payroll & Social Contributions

Source-cited draft: payroll & social contributions for Afghanistan (ta…

PayrollAfghanistanSource-cited draft
Bosnia and Herzegovina Tax Overview

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

Income TaxBosnia and HerzegovinaSource-cited draft
CA SMLLC Form 568

Tier 2 California content skill for preparing California Form 568 (Lim…

—CaliforniaSource-cited draft
Washington Sales Tax

Whenever asked about Washington State sales and use tax, WA DOR filing…

VAT / GSTWashingtonSource-cited draft
NL Individual Return

Whenever asked about Newfoundland and Labrador provincial individual i…

Income TaxCanadaSource-cited draft
Libya VAT / GST

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

VAT / GSTLibyaSource-cited draft

Dominican Republic

22 Guides · Partner: Miguel Lantigua

Guides awaiting reviewBecome a Partner