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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.
Accountant-reviewed
— reviewed as general reference material by a named licensed practitioner.
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— flagged for review.
Deprecated
— do not use for current work.
NameDomainJurisdictionStatus
Bangladesh Pit

Whenever asked to prepare, review, or classify transactions for Bangla…

Income TaxBangladeshSource-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

KY Payroll

Tier 2 Kentucky content skill for employer payroll compliance covering…

PayrollKentuckySource-cited draft
GA Formation

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

Company FormationGeorgia (US)Source-cited draft
EG Crypto Tax

Whenever asked about the legal status or taxation of cryptocurrency in…

Crypto TaxEgyptSource-cited draft
Thailand VAT

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

VAT / GSTThailandSource-cited draft
Lithuania Pit

Whenever asked to prepare, review, or classify transactions for Lithua…

Income TaxLithuaniaSource-cited draft
KE Income Tax

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

Income TaxKenyaSource-cited draft
UA Single Tax

Ukrainian single tax (єдиний податок) simplified regime for sole propr…

Income TaxUkraineSource-cited draft
Azerbaijan Social Contributions & Payroll Withholding

Whenever asked about Azerbaijan employer/employee social contributions…

PayrollAzerbaijanSource-cited draft
UA Income Tax

Ukrainian general-system (загальна система) personal income tax for a …

Income TaxUkraineSource-cited draft
Canada Payroll

Whenever asked about Canadian payroll, source deductions, CPP contribu…

PayrollCanadaAccountant-reviewed
US State Estimated Tax Safe Harbors Matrix

Tier 2 US federal-level reference skill providing the 50-state matrix …

Income TaxUS FederalSource-cited draft
WV Income Tax

Whenever asked about West Virginia individual income tax, West Virgini…

Income TaxWest VirginiaSource-cited draft
AB Individual Return

Whenever asked about Alberta provincial individual income tax. Trigger…

Income TaxCanadaSource-cited draft
France Financial Statements

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

Financial StatementsFranceSource-cited draft
Ecuador IVA

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

VAT / GSTEcuadorSource-cited draft
QC Employer Contributions

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

PayrollCanadaSource-cited draft
PE Individual Return

Whenever asked about Prince Edward Island provincial individual income…

Income TaxCanadaSource-cited draft
Albania Tax Optimization

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

Tax OptimizationAlbaniaSource-cited draft
HU Income Tax

Whenever asked about Hungarian income tax for self-employed individual…

Income TaxHungarySource-cited draft
US Sole Prop Bookkeeping

Tier 2 content skill for classifying business transactions into US fed…

BookkeepingUS FederalAccountant-reviewed
Germany Transfer Pricing

Whenever asked about Germany transfer pricing rules, documentation req…

Transfer PricingGermanySource-cited draft
Singapore Transfer Pricing

Whenever asked about Singapore transfer pricing rules, documentation r…

Transfer PricingSingaporeSource-cited draft
Germany Formation

Whenever asked about forming, incorporating, or registering a company …

Company FormationGermanySource-cited draft
CH Lump Sum

Switzerland lump-sum taxation (Pauschalbesteuerung / taxation selon la…

—SwitzerlandSource-cited draft
Algeria Income Tax (IRG) -- Employee & Self-Employed

Whenever asked about Algeria personal income tax (IRG -- Impôt sur le …

Income TaxAlgeriaSource-cited draft
MX VAT Return

Mexican VAT return (IVA -- Impuesto al Valor Agregado, Declaracion Men…

VAT / GSTMexicoSource-cited draft
Iceland VAT

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

VAT / GSTIcelandSource-cited draft
Venezuela IVA

Whenever asked to prepare, review, or create a Venezuela IVA (Impuesto…

VAT / GSTVenezuelaAccountant-reviewed
Brunei VAT / GST

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

VAT / GSTBruneiSource-cited draft
EG Income Tax

Whenever asked about Egyptian personal income tax for resident individ…

Income TaxEgyptSource-cited draft
Liechtenstein VAT

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

VAT / GSTLiechtensteinSource-cited draft
IL Employee Tax Refund

When advising salaried Israeli employees on voluntary tax refund claim…

—IsraelSource-cited draft
JP Estimated Tax

Whenever asked about Japanese estimated tax prepayments (yotei nozei /…

Income TaxJapanSource-cited draft
MD Payroll

Tier 2 Maryland content skill for employer payroll compliance covering…

PayrollMarylandSource-cited draft
Japan Formation

Whenever asked about forming, incorporating, or registering a company …

Company FormationJapanSource-cited draft
JP Incorporation

Whenever asked about incorporating in Japan -- transitioning from sole…

Company FormationJapanSource-cited draft
MO Payroll

Tier 2 Missouri content skill for employer payroll compliance covering…

PayrollMissouriSource-cited draft
MI Payroll

Tier 2 Michigan content skill for employer payroll compliance covering…

PayrollMichiganSource-cited draft
IT Irap

Whenever asked about Italian IRAP (Imposta Regionale sulle Attività Pr…

Income TaxItalySource-cited draft
US Crypto Tax

US federal cryptocurrency CORE rules — digital assets as property (Not…

Crypto TaxUS FederalSource-cited draft
Bangladesh VAT

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

VAT / GSTBangladeshSource-cited draft
RU Tax Optimization

Whenever asked about legal tax optimization or tax planning for a self…

Tax OptimizationRussiaSource-cited draft
Property Transfer Tax Matrix

Whenever a property transaction triggers a tax on the transfer of real…

Cross-BorderGLOBALSource-cited draft
MY Pcb

Whenever asked about Malaysia PCB (monthly tax deduction) or CP500 ins…

PayrollMalaysiaSource-cited draft
Mozambique Social Security (INSS) & Payroll Tax

Whenever asked about Mozambique social security contributions (INSS), …

PayrollMozambiqueSource-cited draft
Sri Lanka Withholding Tax

ALWAYS read this skill before touching any Sri Lanka withholding tax /…

Cross-BorderSri LankaAccountant-reviewed
India Transfer Pricing

Whenever asked about India transfer pricing rules, documentation requi…

Transfer PricingIndiaAccountant-reviewed
NJ Payroll

Tier 2 New Jersey content skill for employer payroll compliance coveri…

PayrollNew JerseySource-cited draft
Slovakia VAT Return

Whenever asked to prepare, review, or create a Slovak VAT return (DPH …

VAT / GSTSlovakiaSource-cited draft

Dominican Republic

22 Guides · Partner: Miguel Lantigua

Guides awaiting reviewBecome a Partner