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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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RU Self Employed Npd

Whenever asked about the Russian self-employed tax regime for individu…

Income TaxRussiaSource-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

AR Income Tax

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

Income TaxArkansasSource-cited draft
GR VAT Return

Redirect — consolidated into greece-vat-return.md in this directory.

VAT / GSTGreeceSource-cited draft
GA Formation

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

Company FormationGeorgia (US)Source-cited draft
KY Payroll

Tier 2 Kentucky content skill for employer payroll compliance covering…

PayrollKentuckySource-cited draft
Nepal Income Tax

Whenever asked about Nepal personal income tax for resident individual…

Income TaxNepalAttested by another accountant
Japan Crypto Tax

Whenever asked about Japan cryptocurrency or digital asset taxation. T…

Crypto TaxJapanSource-cited draft
Vietnam VAT

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

VAT / GSTVietnamSource-cited draft
Bangladesh Pit

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

Income TaxBangladeshSource-cited draft
KE Income Tax

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

Income TaxKenyaSource-cited draft
Thailand VAT

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

VAT / GSTThailandSource-cited draft
UA Single Tax

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

Income TaxUkraineSource-cited draft
QC Corporate Tax Co17

Whenever asked about Quebec corporate income tax. Quebec administers i…

—CanadaSource-cited draft
Lithuania Pit

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

Income TaxLithuaniaSource-cited draft
Cross Border Invoicing Compliance

Cross-border invoicing rules — which country's requirements apply, wha…

Cross-BorderInternational / OtherSource-cited draft
UK Payroll

Whenever asked about UK payroll, PAYE, National Insurance contribution…

PayrollUnited KingdomAttested by another accountant
UA Income Tax

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

Income TaxUkraineSource-cited draft
IL Income Tax Returns

When preparing, reviewing, or advising on Israeli annual income tax re…

Income TaxIsraelSource-cited draft
WV Income Tax

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

Income TaxWest VirginiaSource-cited draft
France Einvoice

Whenever asked about French e-invoicing, facturation électronique, Cho…

E-InvoicingFranceSource-cited draft
Côte d'Ivoire (Ivory Coast) Payroll

Whenever asked about Côte d'Ivoire (Ivory Coast) payroll processing fo…

PayrollCôte d'IvoireSource-cited draft
NV Commerce Tax

Whenever asked about the Nevada Commerce Tax. Trigger on phrases like …

Income TaxNevadaSource-cited draft
PE Individual Return

Whenever asked about Prince Edward Island provincial individual income…

Income TaxCanadaSource-cited draft
France Financial Statements

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

Financial StatementsFranceSource-cited draft
Corporate Income Tax Workflow Base

Tier 1 workflow base for corporate income tax skills serving small, me…

Income TaxGLOBALSource-cited draft
Italy Crypto Tax

Whenever asked about Italy cryptocurrency or digital asset taxation. T…

Crypto TaxItalySource-cited draft
Withholding Tax Matrix

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

Cross-BorderGLOBALSource-cited draft
HU Income Tax

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

Income TaxHungarySource-cited draft
Isle Of Man VAT

Whenever asked about Isle of Man VAT, VAT registration, VAT returns, o…

VAT / GSTIMSource-cited draft
CH Lump Sum

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

—SwitzerlandSource-cited draft
Germany Transfer Pricing

Whenever asked about Germany transfer pricing rules, documentation req…

Transfer PricingGermanySource-cited draft
NC Payroll

Tier 2 North Carolina content skill for employer payroll compliance co…

PayrollNorth CarolinaSource-cited draft
Iceland VAT

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

VAT / GSTIcelandSource-cited draft
HU Social Contributions

Whenever asked about Hungarian self-employed social contributions (tár…

PayrollHungarySource-cited draft
MX VAT Return

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

VAT / GSTMexicoSource-cited draft
CZ Income Tax

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

Income TaxCzech RepublicSource-cited draft
Liechtenstein VAT

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

VAT / GSTLiechtensteinSource-cited draft
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
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
US Form 1040 Individual Return

Tier 2 US federal content skill for preparing Form 1040 — the standard…

Income TaxUnited StatesAttested by another accountant
US Crypto Tax

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

Crypto TaxUnited StatesAttested by another accountant
Saudi Einvoice

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

E-InvoicingSaudi ArabiaSource-cited draft

United Kingdom

27 Guides · Reviewed by: James Power

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