openaccountants
GuidesBuild a GuideThe Open AccountantsFor FirmsDevelopers
openaccountants

AI makes tax knowledge abundant. OpenAccountants makes tax work trustworthy.

Brand kit

Explore

Tax GuidesTax CalendarOpen Accountants

Use OpenAccountants

Add to your AIThe Open AccountantsFor Developers

Project

AboutHow It WorksBlogPodcastGitHub

Trust

Review MethodSecurityPrivacyTermsContact

© 2026 OpenAccountants. Open tax rules, reviewed by accountants.

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

Build 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.

1810 Guides · 1595 matching · 244 jurisdictions

Loading the map…

Source-cited draft
— researched and cited, not yet reviewed by a licensed practitioner.
Accountant-reviewed
— reviewed as general reference material by a named licensed practitioner.
Needs update
— flagged for review.
Deprecated
— do not use for current work.
NameDomainJurisdictionStatus
KS Income Tax

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

Income TaxKansasSource-cited draft

Showing 1251–1300 of 1595 Guides

PreviousPage 26 of 32Next

Know this subject? Build a Guide.

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

Romania Company Formation & Entity Choice

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

Company FormationRomaniaSource-cited draft
Ghana VAT

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

VAT / GSTGhanaSource-cited draft
Slovenia Tax Optimization

Whenever asked about reducing tax in Slovenia, tax planning, or legal …

Tax OptimizationSloveniaSource-cited draft
JP Bookkeeping

Whenever asked about bookkeeping or journal entries for a self-employe…

BookkeepingJapanSource-cited draft
OK Income Tax

Triggers when the taxpayer is an Oklahoma resident sole proprietor or …

Income TaxOklahomaSource-cited draft
GR Income Tax

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

Income TaxGreeceSource-cited draft
Bolivia Social Security Contributions & RC-IVA — Dependent Employment

Whenever asked about Bolivia social-security (seguridad social) contri…

PayrollBoliviaSource-cited draft
Armenia Tax Optimization

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

Tax OptimizationArmeniaSource-cited draft
Iceland Income Tax -- Self-Employed and Individuals

Whenever asked about Iceland (Ísland) personal income tax for self-emp…

Income TaxIcelandSource-cited draft
Czech Republic Company Formation & Entity Choice

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

Company FormationCzech RepublicSource-cited draft
US State New Hire Reporting Matrix

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

—United StatesSource-cited draft
Costa Rica Income Tax -- Self-Employed

Whenever asked about Costa Rica income tax for self-employed individua…

Income TaxCosta RicaSource-cited draft
IT Inps Contributions

Whenever asked about Italian INPS social contributions for self-employ…

PayrollItalySource-cited draft
RU Self Employed Npd

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

Income TaxRussiaSource-cited draft
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
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
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

United Kingdom

27 Guides · Reviewed by: James Power

Build a GuideBecome an Open Accountant