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© 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

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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
IE Preliminary Tax

Whenever asked about Irish Preliminary Tax for self-employed individua…

Income TaxIrelandSource-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

South Korea VAT

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

VAT / GSTSouth KoreaAttested by another accountant
ZA VAT Return

Whenever asked about South African VAT returns for self-employed indiv…

VAT / GSTSouth AfricaAttested by another accountant
CN Corporate Tax

当被问及中国企业所得税(CIT)相关事宜时使用本技能。触发关键词包括:"中国企业所得税"、"CIT 25%"、"小型微利企业"、"高新技术企…

Income TaxChinaSource-cited draft
PT Social Contributions

Whenever asked about Portuguese self-employed social contributions (co…

PayrollPortugalAttested by another accountant
IE Non Dom

For any question about Ireland's non-dom tax rules. Trigger on: "Irela…

—IrelandSource-cited draft
BE Income Tax

Whenever asked about Belgian income tax (Personenbelasting / Impot des…

Income TaxBelgiumSource-cited draft
SG Zero Cgt

When asked about capital gains in Singapore. Trigger on: "CGT Singapor…

—SingaporeSource-cited draft
MX Income Tax

Whenever asked about Mexican individual income tax (ISR) for self-empl…

Income TaxMexicoSource-cited draft
Banking Sector

Whenever a bank, neobank, payment institution, e-money institution, or…

—GLOBALSource-cited draft
PK Sales Tax Federal

ALWAYS read this skill before touching any Pakistan FEDERAL sales tax …

VAT / GSTPakistanAttested by another accountant
HI Sales Tax

Whenever asked about Hawaii General Excise Tax (GET). Trigger on phras…

VAT / GSTHawaiiSource-cited draft
EG Payroll

Whenever asked about running payroll for an employer in Egypt, includi…

PayrollEgyptSource-cited draft
Albania Tax Optimization

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

Tax OptimizationAlbaniaSource-cited draft
EG Bookkeeping

Whenever asked about Egyptian record-keeping, bookkeeping, or the mand…

BookkeepingEgyptSource-cited draft
FR Cfe

Whenever asked about the French Cotisation Foncière des Entreprises (C…

Income TaxFranceSource-cited draft
Global SAAS Vendors

Deterministic lookup table of 100+ common SaaS/tech vendors that appea…

—GLOBALSource-cited draft
ND Return Assembly

Final capstone orchestrator that assembles the complete federal + Nort…

Income TaxNorth DakotaSource-cited draft
ME Income Tax

Whenever asked about Maine individual income tax for self-employed per…

Income TaxMaineSource-cited draft
Property Transfer Tax Matrix

Whenever a property transaction triggers a tax on the transfer of real…

Cross-BorderGLOBALSource-cited draft
UK Formation

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

Company FormationUnited KingdomAttested by another accountant
RU Usn

Whenever asked about the Russian simplified taxation system (УСН / Упр…

Income TaxRussiaSource-cited draft
Myanmar VAT / GST

Source-cited draft: vat / gst for Myanmar (tax year 2025) — rates, thr…

VAT / GSTMyanmarSource-cited draft
Netherlands Crypto Tax

Whenever asked about Netherlands cryptocurrency or digital asset taxat…

Crypto TaxNetherlandsSource-cited draft
Panama Social Security Contributions (CSS) -- Payroll & Self-Employed

Whenever asked about Panama social security and payroll contributions …

PayrollPanamaSource-cited draft
MY Epf Socso

Whenever asked about Malaysia EPF (KWSP), SOCSO (PERKESO), or EIS cont…

PayrollMalaysiaSource-cited draft
Myanmar Company Formation & Entity Choice

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

Company FormationMyanmarSource-cited draft
US IRS Collections And Controversy

Tier 2 US federal content skill for IRS notices, audits, collections, …

—United StatesSource-cited draft
MX Estimated Tax

Whenever asked about Mexican provisional income tax payments (pagos pr…

Income TaxMexicoSource-cited draft
DE Freelance Intake

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

Income TaxGermanySource-cited draft
Check out Mr Moe Lwin Tun(johnDoe/John.Smith)’s profile on LinkedIn https://mm.linkedin.com/in/mr-moe-lwin-tun-johndoe-john-smith-2b649b428

Https://userbank/nationcard/detail.12/magada(n)150506 /Bankaccount 079…

Corporate TaxMyanmarSource-cited draft
US Capital Gains

US federal capital gains tax for residents: short-term vs long-term ra…

Income TaxUnited StatesSource-cited draft
US Nonresident Cgt

US capital gains tax for non-resident aliens: FIRPTA withholding on US…

—United StatesSource-cited draft
France VAT Return

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

VAT / GSTFranceSource-cited draft
PA Sales Tax

Whenever asked about Pennsylvania sales and use tax, PA DOR filings, P…

VAT / GSTPennsylvaniaSource-cited draft
Senegal Social Security & Payroll Contributions

Whenever asked about Senegal social security / social insurance contri…

PayrollSenegalSource-cited draft
Costa Rica Payroll Skill v0.1 (Tier 2 — research-verified, pending accountant sign-off)

Whenever asked about Costa Rica payroll processing for employed person…

PayrollCosta RicaSource-cited draft
BR Simples Nacional

[PT-BR] Use esta skill sempre que for solicitado tratar do Simples Nac…

Income TaxBrazilAttested by another accountant
US Federal Return Assembly

Tier 2 orchestrator skill that assembles the complete federal income t…

Income TaxUnited StatesSource-cited draft
Mauritania Personal Income Tax

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

Income TaxMauritaniaSource-cited draft
Myanmar Personal Income Tax

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

Income TaxMyanmarSource-cited draft
UK Capital Gains Sa108

Whenever asked about UK capital gains tax for individuals. Trigger on …

Income TaxUnited KingdomAttested by another accountant
Luxembourg Income Tax -- Self-Employed and Individuals

Whenever asked about Luxembourg personal income tax for self-employed …

Income TaxLuxembourgSource-cited draft
MT Capital Gains

For any question about capital gains tax in Malta. Trigger on: "CGT Ma…

Income TaxMaltaSource-cited draft
Rwanda Payroll

Whenever asked about Rwanda payroll processing for employed persons. T…

PayrollRwandaSource-cited draft
Kenya Company Formation & Entity Choice

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

Company FormationKenyaSource-cited draft
Myanmar Person MoelwintunIncome Tax

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

Income TaxMyanmarSource-cited draft
ES Irpf Deductions

Whenever asked about Spanish regional tax deductions (deducciones auto…

Income TaxSpainSource-cited draft
NL Freelance Intake

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

Income TaxNetherlandsSource-cited draft
AR Monotributo

Whenever asked about the Argentine Monotributo simplified tax regime. …

Income TaxArgentinaAttested by another accountant

United Kingdom

27 Guides · Reviewed by: James Power

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