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
| Uzbekistan Corporate Income Tax |
| Zimbabwe Tax Overview |
| Zimbabwe Personal Income Tax |
| mt-income-tax |
| ab-corporate-tax |
| qatar-tax |
| md-income-tax |
| nc-income-tax |
| nj-income-tax |
| oh-cat-tax |
| za-income-tax |
| Ecuador Tax Overview |
| nv-commerce-tax |
| oh-income-tax |
| pa-income-tax |
| ri-income-tax |
| wa-bo-tax |
| Tunisia Tax Overview |
| or-income-tax |
| nl-income-tax |
| Tunisia Personal Income Tax |
| Tunisia Corporate Income Tax |
| us-form-1040-individual-return |
| Ethiopia Corporate Income Tax |
| vt-income-tax |
| wi-income-tax |
| tx-franchise-tax |
| at-income-tax |
| ru-usn |
| us-self-employed-health-insurance |
| Azerbaijan Tax Overview |
| au-individual-return |
| Dominican Republic Withholding Taxes (Retenciones, Dividends, Foreign Payments) |
| tx-sales-use-tax |
| Dominican Republic Simplified Tax Regimes (RST) |
| il-estimated-tax |
| bermuda-tax |
| ch-cantonal-tax |
| co-income-tax |
| brunei-tax |
| es-irpf-deductions |
| Dominican Republic Capital Gains Tax |
| us-quarterly-estimated-tax |
| iraq-tax |
| ks-income-tax |
| ok-income-tax |
| pk-corporate-tax |
| us-pl-86-272-income-tax-nexus |
| de-return-assembly |