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
| nc-return-assembly |
| Republic of Congo Personal Income Tax |
| Central African Republic Tax Overview |
| Republic of Congo Corporate Income Tax |
| Cuba Tax Overview |
| Cuba Corporate Income Tax |
| hi-income-tax |
| Curacao Tax Overview |
| pk-income-tax |
| Curacao Corporate Income Tax |
| Guinea Personal Income Tax |
| Guinea-Bissau Personal Income Tax |
| Liberia Corporate Income Tax |
| Guinea Corporate Income Tax |
| Equatorial Guinea Tax Overview |
| Guinea-Bissau Corporate Income Tax |
| Guyana Tax Overview |
| Kyrgyzstan Corporate Income Tax |
| Lesotho Tax Overview |
| Equatorial Guinea Personal Income Tax |
| Guyana Personal Income Tax |
| be-capital-gains |
| Suriname Personal Income Tax |
| us-self-employed-retirement |
| slovakia-pit |
| Sierra Leone Corporate Income Tax |
| San Marino Tax Overview |
| Djibouti Tax Overview |
| Djibouti Personal Income Tax |
| dk-capital-gains |
| Sao Tome and Principe Tax Overview |
| Djibouti Corporate Income Tax |
| Somalia Corporate Income Tax |
| Suriname Tax Overview |
| South Sudan Corporate Income Tax |
| sri-lanka-corporate-tax |
| Seychelles Tax Overview |
| Togo Corporate Income Tax |
| Turkmenistan Personal Income Tax |
| Eritrea Tax Overview |
| jp-return-assembly |
| Tajikistan Personal Income Tax |
| Eritrea Personal Income Tax |
| Sao Tome and Principe Corporate Income Tax |
| Eswatini Tax Overview |
| Chad Personal Income Tax |
| Chad Corporate Income Tax |
| Eritrea Corporate Income Tax |
| Cameroon Income Tax -- IRPP |