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Open tax rules, trusted AI workflows, and named accountant review where available.

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OpenAccountants provides general tax and accounting reference material and AI-assisted working-paper tools. It is not tax, legal, accounting, or financial advice. Outputs must be reviewed by a qualified professional before filing, payment, or action.

OpenAccountants provides general tax and accounting reference material and AI-assisted working-paper tools. It is not tax, legal, accounting, or financial advice. Outputs must be reviewed by a qualified professional before filing, payment, or action.

© 2026 OpenAccountants. All rights reserved.

The open rules layer

Open tax rules for AI workflows

Browse the open tax and accounting skills that power OpenAccountants workflows. Each skill is designed to be cited, inspectable, machine-readable, and usable by AI agents. Some are source-cited drafts. Some have named accountant review. All are part of the open rules layer.

The rules are open. The trust layer shows who reviewed them.

1754 skills · 674 matching · 242 jurisdictions

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
gr-income-tax

Use this skill whenever asked about Greek income tax for self-employed…

Income TaxGreeceSource-cited draft

Showing 551–600 of 674 skills

PreviousPage 12 of 14Next

Licensed accountant? Help build your country's tax rules.

1754 open skills across 242 jurisdictions. Verified by a licensed accountant in 20 countries. Download your country's workbook, review in Excel, get named on the site and in our MCP integrations.

20 jurisdictions with a lead verifier · 222 open for contributors

GLOBAL

36 skills · Looking for contributors

Australia

14 skills · Looking for contributors

Germany

11 skills · Looking for contributors

Spain

10 skills · Looking for contributors

US Federal

22 skills · Lead: Amir Pelinkovic · 9 verified

nepal-income-tax

Use this skill whenever asked about Nepal personal income tax for resi…

Income TaxNepalAccountant-verified
fr-return-assembly

Final orchestrator skill that assembles the complete French filing pac…

Income TaxFranceSource-cited draft
ae-corporate-tax

Use this skill whenever asked about UAE Corporate Tax for freelancers,…

Income TaxUnited Arab EmiratesAccountant-verified
bangladesh-pit

Use this skill whenever asked to prepare, review, or classify transact…

Income TaxBangladeshSource-cited draft
uk-income-tax-sa100

Use this skill whenever asked about UK income tax for individuals fili…

Income TaxUnited KingdomAccountant-verified
ua-single-tax

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

Income TaxUkraineSource-cited draft
ke-income-tax

Use this skill whenever asked about Kenyan income tax for self-employe…

Income TaxKenyaSource-cited draft
lithuania-pit

Use this skill whenever asked to prepare, review, or classify transact…

Income TaxLithuaniaSource-cited draft
ua-income-tax

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

Income TaxUkraineSource-cited draft
wv-income-tax

Use this skill whenever asked about West Virginia individual income ta…

Income TaxWest VirginiaSource-cited draft
ab-individual-return

Use this skill whenever asked about Alberta provincial individual inco…

Income TaxCanadaSource-cited draft
pe-individual-return

Use this skill whenever asked about Prince Edward Island provincial in…

Income TaxCanadaSource-cited draft
cz-income-tax

Use this skill whenever asked about Czech income tax for self-employed…

Income TaxCzech RepublicSource-cited draft
fi-prepayments

Use this skill whenever asked about Finland prepayment tax (ennakkover…

Income TaxFinlandSource-cited draft
hu-income-tax

Use this skill whenever asked about Hungarian income tax for self-empl…

Income TaxHungarySource-cited draft
jp-estimated-tax

Use this skill whenever asked about Japanese estimated tax prepayments…

Income TaxJapanSource-cited draft
it-irap

Use this skill whenever asked about Italian IRAP (Imposta Regionale su…

Income TaxItalySource-cited draft
fr-capital-gains

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

Income TaxFranceSource-cited draft
id-corporate-tax

Use this skill whenever asked about Indonesian corporate income tax (P…

Income TaxIndonesiaAccountant-verified
ro-income-tax

Use this skill whenever asked about Romanian income tax for self-emplo…

Income TaxRomaniaSource-cited draft
mx-income-tax

Use this skill whenever asked about Mexican individual income tax (ISR…

Income TaxMexicoSource-cited draft
ph-income-tax

Use this skill whenever asked about Philippines income tax for self-em…

Income TaxPhilippinesSource-cited draft
de-trade-tax

Use this skill whenever asked about German Trade Tax (Gewerbesteuer / …

Income TaxGermanySource-cited draft
nz-provisional-tax

Use this skill whenever asked about New Zealand provisional tax for se…

Income TaxNew ZealandSource-cited draft
es-modelo-111

Use this skill whenever asked about Spanish Modelo 111 (quarterly with…

Income TaxSpainSource-cited draft
es-rental-income

Use this skill whenever asked about Spanish rental income taxation. Tr…

Income TaxSpainSource-cited draft
tw-income-tax

Use this skill whenever asked about Taiwan individual income tax. Trig…

Income TaxTaiwanSource-cited draft
va-income-tax

Use this skill whenever asked about Virginia individual income tax, Vi…

Income TaxVirginiaSource-cited draft
mi-detroit-individual-return

Use this skill whenever asked about Detroit (Michigan) city individual…

Income TaxMichiganSource-cited draft
kr-income-tax

Use this skill whenever asked about South Korean income tax for self-e…

Income TaxSouth KoreaSource-cited draft
de-gross-receipts-tax

Delaware Gross Receipts Tax for sole proprietors and self-employed ind…

Income TaxDelawareSource-cited draft
mi-estimated-tax

Use this skill whenever asked about Michigan quarterly estimated incom…

Income TaxMichiganSource-cited draft
yt-individual-return

Use this skill whenever asked about Yukon territorial income tax for a…

Income TaxCanadaSource-cited draft
mx-return-assembly

Use this skill when assembling or reviewing a Mexican persona física a…

Income TaxMexicoSource-cited draft
us-tx-return-assembly

Final orchestrator skill that assembles the complete federal and Texas…

Income TaxTexasSource-cited draft
pt-corporate-tax

LER SEMPRE este skill antes de tratar fiscalidade de pessoas coletivas…

Income TaxPortugalSource-cited draft
uk-payments-on-account

Use this skill whenever asked about UK Payments on Account (POA) for S…

Income TaxUnited KingdomAccountant-verified
uk-freelance-intake

ALWAYS USE THIS SKILL when a user asks for help preparing their UK tax…

Income TaxUnited KingdomSource-cited draft
my-income-tax

Use this skill whenever asked about Malaysia income tax for self-emplo…

Income TaxMalaysiaSource-cited draft
uk-rental-sa105

Use this skill whenever asked about UK property income or rental incom…

Income TaxUnited KingdomAccountant-verified
nc-estimated-tax

Use this skill whenever asked about North Carolina individual quarterl…

Income TaxNorth CarolinaSource-cited draft
nl-return-assembly

Final orchestrator skill that assembles the complete Netherlands filin…

Income TaxNetherlandsSource-cited draft
za-provisional-tax

Use this skill whenever asked about South African provisional tax (IRP…

Income TaxSouth AfricaAccountant-verified
El Salvador Income Tax (Impuesto sobre la Renta) -- Self-Employed & Individuals

Use this skill whenever asked about El Salvador personal income tax (I…

Income TaxEl SalvadorSource-cited draft
fr-freelance-intake

ALWAYS USE THIS SKILL when a user asks for help preparing their French…

Income TaxFranceSource-cited draft
ru-self-employed-npd

Use this skill whenever asked about the Russian self-employed tax regi…

Income TaxRussiaSource-cited draft
nd-estimated-tax

Use this skill whenever asked about North Dakota individual quarterly …

Income TaxNorth DakotaSource-cited draft
ch-federal-income-tax

Use this skill whenever asked about Swiss federal income tax (direkte …

Income TaxSwitzerlandSource-cited draft
mb-individual-return

Use this skill whenever asked about Manitoba provincial individual inc…

Income TaxCanadaSource-cited draft

Canada

15 skills · Lead: Edgar Lautsyus · 11 verified

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