The open rules layer
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
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
| Papua New Guinea Personal Income Tax |
| Qatar Tax Overview |
| Romania Corporate Income Tax |
| Rwanda Personal Income Tax |
| Oman Corporate Income Tax |
| Peru Corporate Income Tax |
| Papua New Guinea Corporate Income Tax |
| Uruguay Corporate Income Tax |
| Vietnam Tax Overview |
| Ukraine Tax Overview |
| British Virgin Islands Tax Overview |
| Vietnam Corporate Income Tax |
| Papua New Guinea Tax Overview |
| Taiwan Tax Overview |
| Ukraine Corporate Income Tax |
| Uzbekistan Tax Overview |
| British Virgin Islands Corporate Income Tax |
| Zimbabwe Corporate Income Tax |
| Slovenia Tax Overview |
| Slovakia Corporate Income Tax |
| Senegal Corporate Income Tax |
| Philippines Tax Overview |
| Rwanda Corporate Income Tax |
| il-income-tax |
| mo-income-tax |
| wa-business-occupation-tax |
| Philippines Corporate Income Tax |
| Qatar Corporate Income Tax |
| Romania Tax Overview |
| Rwanda Tax Overview |
| Trinidad and Tobago Personal Income Tax |
| fl-corporate-income-tax |
| Slovenia Corporate Income Tax |
| de-capital-gains |
| Thailand Tax Overview |
| Kosovo Personal Income Tax -- Self-Employed and Individuals |
| Slovakia Tax Overview |
| Senegal Tax Overview |
| Thailand Corporate Income Tax |
| Georgia (Country) Personal Income Tax — Individuals and Self-Employed |
| br-estimated-tax |
| Turkey Tax Overview |
| Trinidad and Tobago Tax Overview |
| Turkey Corporate Income Tax |
| dc-income-tax |
| id-income-tax |
| la-income-tax |
| Trinidad and Tobago Corporate Income Tax |
| Taiwan Corporate Income Tax |