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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 · 244 jurisdictions

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NameDomainJurisdictionStatus
FR Capital Gains

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

Income TaxFranceSource-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

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
VAT returns for small businesses in the UK

Small business VAT, sorted quarter after quarter properly, not just on…

VAT / GSTUnited KingdomAttested by another accountant
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
Portugal Tax Optimization

Utilize esta skill ao aconselhar sobre estratégias LEGAIS de minimizaç…

Tax OptimizationPortugalAttested by another accountant
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
ZA Provisional Tax

Whenever asked about South African provisional tax (IRP6) for self-emp…

Income TaxSouth AfricaAttested by another accountant
PH Income Tax

Whenever asked about Philippines income tax for self-employed individu…

Income TaxPhilippinesAttested by another accountant
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
Portugal Formation

Utilize esta skill sempre que lhe perguntarem sobre constituição, inco…

Company FormationPortugalAttested by another accountant
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
UK Tax Optimization

Whenever asked about reducing tax in the UK, tax planning, saving tax,…

Tax OptimizationUnited KingdomAttested by another accountant
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
Lebanon Company Formation & Entity Choice

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

Company FormationLebanonSource-cited draft
Ethiopia Social Security & Payroll Tax

Whenever asked about Ethiopia payroll taxes, social security / pension…

PayrollEthiopiaSource-cited draft
FR Freelance Intake

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

Income TaxFranceSource-cited draft
PK Return Assembly

Whenever asked to assemble, finalize, or package a Pakistani annual ta…

Income TaxPakistanSource-cited draft

United Kingdom

27 Guides · Reviewed by: James Power

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