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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.

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1810 Guides · 1595 matching · 244 jurisdictions

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NameDomainJurisdictionStatus
Dominican Republic Tax Registration & Formal Obligations (RNC)

Dominican Republic Tax Registration & Formal Obligations (RNC) — accou…

Company FormationDominican RepublicSource-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

Azerbaijan Tax Overview

Source-cited draft: tax overview for Azerbaijan (tax year 2025) — rate…

Income TaxAzerbaijanSource-cited draft
Utah Sales Tax

Whenever asked about Utah sales tax, Utah use tax, USTC sales tax fili…

VAT / GSTUtahSource-cited draft
Bosnia and Herzegovina Social Security Contributions & Payroll

Whenever asked about Bosnia and Herzegovina (BiH) payroll social secur…

PayrollBosnia and HerzegovinaSource-cited draft
US Tax Workflow Base

Tier 1 workflow base for US federal income tax skills serving sole pro…

Income TaxUnited StatesSource-cited draft
NU Individual Return

Whenever asked about Nunavut territorial income tax for a self-employe…

Income TaxCanadaSource-cited draft
SE Social Contributions

Whenever asked about Swedish self-employed social contributions (egena…

PayrollSwedenSource-cited draft
ME Sales Tax

Whenever asked about Maine sales and use tax. Trigger on phrases like …

VAT / GSTMaineSource-cited draft
Zimbabwe Company Formation & Entity Choice

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

Company FormationZimbabweSource-cited draft
NE Sales Tax

Whenever asked about Nebraska sales and use tax. Trigger on phrases li…

VAT / GSTNebraskaSource-cited draft
Belarus Company Formation & Entity Choice

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

Company FormationBelarusSource-cited draft
Nigeria VAT

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

VAT / GSTNigeriaSource-cited draft
HK Salaries Tax

Whenever asked about Hong Kong salaries tax. Trigger on phrases like "…

Income TaxHong KongSource-cited draft
Uganda VAT

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

VAT / GSTUgandaSource-cited draft
Spain Financial Statements

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

Financial StatementsSpainSource-cited draft
Mississippi Sales Tax

Whenever asked about Mississippi sales and use tax. Trigger on phrases…

VAT / GSTMississippiSource-cited draft
TX Sales Use Tax

Texas Sales and Use Tax return (Form 01-114) for self-employed individ…

Income TaxTexasSource-cited draft
Jamaica Personal Income Tax

Source-cited draft: personal income tax for Jamaica (tax year 2025) — …

Income TaxJamaicaSource-cited draft
Indiana Sales Tax

Whenever asked about Indiana sales and use tax. Trigger on phrases lik…

VAT / GSTIndianaSource-cited draft
Maine Sales Tax

Whenever asked about Maine sales and use tax. Trigger on phrases like …

VAT / GSTMassachusettsSource-cited draft
Financial Reporting Workflow Base

Foundation workflow base for financial-reporting (US GAAP and IFRS) co…

Income TaxGLOBALSource-cited draft
Bermuda Tax

Whenever asked about Bermuda taxation, payroll tax, customs duties, or…

Income TaxBermudaSource-cited draft
Cambodia Corporate Income Tax

Source-cited draft: corporate income tax for Cambodia (tax year 2025) …

Income TaxCambodiaSource-cited draft
Panama Personal Income Tax (ISR) — Self-Employed & Payroll

Whenever asked about Panama personal income tax (ISR — Impuesto sobre …

Income TaxPanamaSource-cited draft
BC PST

For British Columbia Provincial Sales Tax — 7% non-harmonized retail s…

—CanadaSource-cited draft
US Section 1031 Like Kind Exchange

Tier 2 US federal content skill for IRC §1031 like-kind exchange of re…

—United StatesSource-cited draft
Brunei Tax

Whenever asked about Brunei Darussalam tax obligations. Trigger on phr…

Income TaxBruneiSource-cited draft
Estonia Payroll

Whenever asked about Estonia payroll processing for employed persons. …

PayrollEstoniaSource-cited draft
Iran VAT

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

VAT / GSTIranSource-cited draft
DC Sales Tax

Whenever asked about District of Columbia sales tax, DC OTR filings. T…

VAT / GSTDistrict of ColumbiaSource-cited draft
EG Social Insurance

Whenever asked about Egypt social insurance contributions for an emplo…

PayrollEgyptSource-cited draft
Formalizing Small Informal Businesses in Colombia

Formalizing Small Informal Businesses in Colombia

VAT / GSTColombiaSource-cited draft
US Foreign Tax Credit 1116

Tier 2 US federal content skill for §901 Foreign Tax Credit (Form 1116…

—United StatesSource-cited draft
Belarus Income Tax -- Individuals & Self-Employed

Whenever asked about Belarus personal income tax (podokhodny nalog / п…

Income TaxBelarusSource-cited draft
CT Payroll

Tier 2 Connecticut content skill for employer payroll compliance cover…

PayrollConnecticutSource-cited draft
DE Formation

Tier 2 Delaware content skill for entity formation covering tax year 2…

Company FormationDelawareSource-cited draft
PA Income Tax

Triggers when the taxpayer is a Pennsylvania resident sole proprietor …

Income TaxPennsylvaniaSource-cited draft
Latvia VAT Return

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

VAT / GSTLatviaSource-cited draft
GA Payroll

Tier 2 Georgia content skill for employer payroll compliance covering …

PayrollGeorgia (US)Source-cited draft
GA Estimated Tax Depth

Tier 2 Georgia content skill for individual and corporate estimated ta…

Income TaxGeorgia (US)Source-cited draft
Belgium Bookkeeping

Whenever asked about Belgian bookkeeping, chart of accounts, PCMN/MAR,…

BookkeepingBelgiumSource-cited draft
SA Formation

ALWAYS read this skill whenever asked about forming, incorporating, re…

Company FormationSaudi ArabiaSource-cited draft
UA Bookkeeping

Ukrainian sole-proprietor (ФОП) record-keeping and bookkeeping: the in…

BookkeepingUkraineSource-cited draft
ES VAT Return

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

VAT / GSTSpainSource-cited draft
References—VietnamSource-cited draft
CH Cantonal Tax

Whenever asked about Swiss cantonal and communal income tax (Staatsste…

Income TaxSwitzerlandSource-cited draft
Iraq Tax

Whenever asked about Iraq taxation, sales tax, or the absence of VAT i…

Income TaxIraqSource-cited draft
OH Sales Tax

Whenever asked about Ohio sales and use tax, ODT filings, Ohio CAT, Oh…

VAT / GSTOhioSource-cited draft
Kosovo Tax Optimization

Whenever asked about reducing tax in Kosovo, tax planning, or legal st…

Tax OptimizationKosovoSource-cited draft
MA Sales Tax

Whenever asked about Massachusetts sales and use tax. Trigger on phras…

VAT / GSTMassachusettsSource-cited draft

United Kingdom

27 Guides · Reviewed by: James Power

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