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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 · 269 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
uk-payroll

Use this skill whenever asked about UK payroll, PAYE, National Insuran…

PayrollUnited KingdomAccountant-verified

Showing 201–250 of 269 skills

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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

ph-sss-philhealth

Use this skill whenever asked about Philippine social security contrib…

PayrollPhilippinesSource-cited draft
no-social-contributions

Use this skill whenever asked about Norwegian social contributions (tr…

PayrollNorwaySource-cited draft
oh-payroll

Tier 2 Ohio content skill for employer payroll compliance covering tax…

PayrollOhioSource-cited draft
or-payroll

Tier 2 Oregon content skill for employer payroll compliance covering t…

PayrollOregonSource-cited draft
us-state-payroll-matrix

Tier 2 US federal-level reference skill providing the 50-state at-a-gl…

PayrollUS FederalSource-cited draft
pa-payroll

Tier 2 Pennsylvania content skill for employer payroll compliance cove…

PayrollPennsylvaniaSource-cited draft
tw-nhi

Use this skill whenever asked about Taiwan National Health Insurance (…

PayrollTaiwanSource-cited draft
ie-usc

Use this skill whenever asked about Ireland's Universal Social Charge …

PayrollIrelandSource-cited draft
wi-payrollPayrollWisconsinSource-cited draft
ua-social-contributions

Ukrainian Unified Social Contribution (ЄСВ / USC) for self-employed pe…

PayrollUkraineSource-cited draft
va-payroll

Tier 2 Virginia content skill for employer payroll compliance covering…

PayrollVirginiaSource-cited draft
El Salvador Statutory Payroll Contributions (ISSS / AFP / INSAFORP) and Payroll Income Tax

Use this skill whenever asked about El Salvador statutory payroll cont…

PayrollEl SalvadorSource-cited draft
Senegal Payroll Skill v0.1 (Tier 2 — research-verified, pending accountant sign-off)

Use this skill whenever asked about Senegal payroll processing for emp…

PayrollSenegalSource-cited draft
Rwanda Payroll

Use this skill whenever asked about Rwanda payroll processing for empl…

PayrollRwandaSource-cited draft
il-payroll

Tier 2 Illinois content skill for employer payroll compliance covering…

PayrollIllinoisAccountant-verified
Kosovo Social Contributions & Wage Taxation

Use this skill whenever asked about Kosovo payroll social contribution…

PayrollKosovoSource-cited draft
ca-fed-cpp-ei

Use this skill whenever asked about Canada Pension Plan (CPP) or Emplo…

PayrollCanadaAccountant-verified
ua-payroll

Use this skill whenever asked about Ukrainian payroll for a sole propr…

PayrollUkraineSource-cited draft
ru-social-contributions

Use this skill whenever asked about insurance contributions (страховые…

PayrollRussiaSource-cited draft
eg-payroll

Use this skill whenever asked about running payroll for an employer in…

PayrollEgyptSource-cited draft
Venezuela Payroll

Use this skill whenever asked about Venezuela payroll processing for e…

PayrollVenezuelaAccountant-verified
nd-payroll

Use this skill whenever asked about North Dakota employer payroll comp…

PayrollNorth DakotaSource-cited draft
Bulgaria Social Security & Health Insurance Contributions

Use this skill whenever asked about Bulgaria social security and healt…

PayrollBulgariaSource-cited draft
nt-payroll-tax

Use this skill for the Northwest Territories Payroll Tax — 2% employer…

PayrollCanadaSource-cited draft
belgium-payroll

Use this skill whenever asked about Belgian payroll processing, employ…

PayrollBelgiumSource-cited draft
Latvia Mandatory State Social Insurance Contributions (VSAOI) -- Social Contributions

Use this skill whenever asked about Latvia mandatory state social insu…

PayrollLatviaSource-cited draft
eg-social-insurance

Use this skill whenever asked about Egypt social insurance contributio…

PayrollEgyptSource-cited draft
sri-lanka-payroll

ALWAYS read this skill before touching any Sri Lanka payroll work. Use…

PayrollSri LankaAccountant-verified
Slovenia Payroll

Use this skill whenever asked about Slovenia payroll processing for em…

PayrollSloveniaSource-cited draft
ma-payroll

Tier 2 Massachusetts content skill for employer payroll compliance cov…

PayrollMassachusettsSource-cited draft
pt-social-contributions

Use this skill whenever asked about Portuguese self-employed social co…

PayrollPortugalAccountant-verified
Ethiopia Payroll Skill v0.1 (Tier 2 -- Research-Verified)

Use this skill whenever asked about Ethiopia payroll processing for em…

PayrollEthiopiaSource-cited draft
pk-payroll-eobi

ALWAYS read this skill before touching any Pakistan payroll work. Use …

PayrollPakistanAccountant-verified
Guatemala Payroll

Use this skill whenever asked about Guatemala payroll processing for e…

PayrollGuatemalaSource-cited draft
Honduras Payroll

Use this skill whenever asked about Honduras payroll processing for em…

PayrollHondurasSource-cited draft
Peru Payroll

Use this skill whenever asked about Peru payroll processing for employ…

PayrollPeruSource-cited draft
Kosovo Payroll

Use this skill whenever asked about Kosovo payroll processing for empl…

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

Use this skill whenever asked about Panama social security and payroll…

PayrollPanamaSource-cited draft
nl-payroll-tax

Use this skill whenever asked about Dutch payroll taxes (loonheffingen…

PayrollNetherlandsSource-cited draft
Iceland Payroll

Use this skill whenever asked about Iceland payroll processing for emp…

PayrollIcelandSource-cited draft
Cameroon Payroll

Use this skill whenever asked about Cameroon payroll processing for em…

PayrollCameroon82/100 facts verified
Montenegro Payroll

Use this skill whenever asked about Montenegro payroll processing for …

PayrollMontenegroSource-cited draft
North Macedonia Compulsory Social Contributions & Payroll

Use this skill whenever asked about North Macedonia (Republic of North…

PayrollNorth MacedoniaSource-cited draft
Rwanda PAYE & RSSB Social Contributions

Use this skill whenever asked about Rwanda payroll taxes, PAYE, or soc…

PayrollRwandaSource-cited draft
Paraguay IPS Social Security Contributions (Aportes)

Use this skill whenever asked about Paraguay IPS social security contr…

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

Use this skill whenever asked about Costa Rica payroll processing for …

PayrollCosta RicaSource-cited draft
Croatia Payroll

Use this skill whenever asked about Croatia payroll processing for emp…

PayrollCroatiaSource-cited draft
Belarus Payroll

Use this skill whenever asked about Belarus payroll processing for emp…

PayrollBelarusSource-cited draft
Bosnia and Herzegovina Payroll

Use this skill whenever asked about Bosnia and Herzegovina payroll pro…

PayrollBosnia and HerzegovinaSource-cited draft

Canada

15 skills · Lead: Edgar Lautsyus · 11 verified

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