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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.

The Guides are open. The trust layer shows who reviewed them.

1810 Guides · 1595 matching · 244 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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EG Income Tax

Whenever asked about Egyptian personal income tax for resident individ…

Income TaxEgyptSource-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

JP Estimated Tax

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

Income TaxJapanSource-cited draft
IL Employee Tax Refund

When advising salaried Israeli employees on voluntary tax refund claim…

—IsraelSource-cited draft
MD Payroll

Tier 2 Maryland content skill for employer payroll compliance covering…

PayrollMarylandSource-cited draft
Bulgaria Payroll

Whenever asked about Bulgaria payroll processing for employed persons.…

PayrollBulgariaSource-cited draft
JP Return Assembly

Final orchestrator skill that assembles the complete Japanese filing p…

Income TaxJapanSource-cited draft
Georgia Payroll

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

PayrollGeorgiaSource-cited draft
MO Payroll

Tier 2 Missouri content skill for employer payroll compliance covering…

PayrollMissouriSource-cited draft
Singapore Transfer Pricing

Whenever asked about Singapore transfer pricing rules, documentation r…

Transfer PricingSingaporeSource-cited draft
Saudi Einvoice

Whenever asked about Saudi Arabia e-invoicing, ZATCA FATOORA platform,…

E-InvoicingSaudi ArabiaSource-cited draft
FR Capital Gains

French capital gains, investment income, and equity compensation tax r…

Income TaxFranceSource-cited draft
Alabama Income Tax

Alabama Form 40 (full-year resident): how I do it

Income TaxAlabamaSource-cited draft
PA Local Eit—PennsylvaniaSource-cited draft
Costa Rica Social-Security Contributions (Cargas Sociales) & Salary-Tax Withholding —

Whenever asked about Costa Rica social-security / payroll contribution…

PayrollCosta RicaSource-cited draft
EG Crypto Tax

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

Crypto TaxEgyptSource-cited draft
NJ Payroll

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

PayrollNew JerseySource-cited draft
US Ca Freelance Intake

When a user asks for help preparing their US federal or California sta…

Income TaxCaliforniaSource-cited draft
Cross Border Payroll Coordination

Cross-border payroll compliance for companies with employees or contra…

Cross-BorderInternational / OtherSource-cited draft
Slovakia VAT Return

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

VAT / GSTSlovakiaSource-cited draft
Isle of Man Payroll & Social Contributions

Source-cited draft: payroll & social contributions for Isle of Man (ta…

PayrollIMSource-cited draft
Croatia VAT Return

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

VAT / GSTCroatiaSource-cited draft
NY Formation

Tier 2 New York content skill for entity formation covering tax year 2…

Company FormationNew YorkSource-cited draft
Emerging Market CorridorsCross-BorderGLOBALSource-cited draft
RU Einvoice

Whenever asked about Russian electronic invoicing or digital tax repor…

E-InvoicingRussiaSource-cited draft
Italy Einvoice

Whenever asked about Italian e-invoicing, FatturaPA, Sistema di Inters…

E-InvoicingItalySource-cited draft
EG Freelance Intake

When a user asks for help with their Egyptian taxes AND mentions freel…

Income TaxEgyptSource-cited draft
Netherlands Transfer Pricing

Whenever asked about Netherlands transfer pricing rules, documentation…

Transfer PricingNetherlandsSource-cited draft
Global Productivity Tools

Pattern library for productivity, collaboration, and creative SaaS too…

—GLOBALSource-cited draft
Investment Funds REITS

Whenever a regulated investment fund, hedge fund, private equity fund,…

—GLOBALSource-cited draft
Spain Transfer Pricing

Whenever asked about Spain transfer pricing rules, documentation requi…

Transfer PricingSpainSource-cited draft
AB Corporate Tax

For Alberta provincial corporate income tax. Triggers "Alberta CIT", "…

Income TaxCanadaSource-cited draft
Hungary Einvoice

Whenever asked about e-invoicing in Hungary, NAV Online Számla, real-t…

E-InvoicingHungarySource-cited draft
Rwanda VAT

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

VAT / GSTRwandaSource-cited draft
Montenegro VAT

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

VAT / GSTMontenegroSource-cited draft
Liechtenstein Company Formation & Entity Choice

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

Company FormationLiechtensteinSource-cited draft
CO Payroll

Tier 2 Colorado content skill for employer payroll compliance covering…

PayrollColoradoSource-cited draft
Belarus Tax Optimization

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

Tax OptimizationBelarusSource-cited draft
OR Payroll

Tier 2 Oregon content skill for employer payroll compliance covering t…

PayrollOregonSource-cited draft
OH Payroll

Tier 2 Ohio content skill for employer payroll compliance covering tax…

PayrollOhioSource-cited draft
Germany Formation

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

Company FormationGermanySource-cited draft
Cambodia Company Formation & Entity Choice

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

Company FormationCambodiaSource-cited draft
Slovakia VAT registration (§4, §7, §7a): how I handle it

Which Slovak VAT registration a client actually needs, the 50 000 / 62…

VAT / GSTSlovakiaSource-cited draft
MI Homestead Credit

Whenever asked about the Michigan Homestead Property Tax Credit for fu…

—MichiganSource-cited draft
Sweden Bookkeeping

Whenever asked about Swedish bookkeeping, chart of accounts, BAS konto…

BookkeepingSwedenSource-cited draft
Montenegro Personal Income Tax -- Self-Employed

Whenever asked about Montenegro personal income tax (porez na dohodak …

Income TaxMontenegroSource-cited draft
FR Crypto Tax

French cryptocurrency and digital asset taxation for individuals. Trig…

Crypto TaxFranceSource-cited draft
Oklahoma Sales Tax

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

VAT / GSTOklahomaSource-cited draft
Zambia VAT

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

VAT / GSTZambiaSource-cited draft
Georgia (Country) Social Contributions & Funded Pension

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

PayrollGeorgiaSource-cited draft
Global Marketplaces Banking Fees

Pattern library for online marketplaces (Etsy, eBay, Amazon Seller, Al…

—GLOBALSource-cited draft

United Kingdom

27 Guides · Reviewed by: James Power

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