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 · 300 matching · 242 jurisdictions
| Name |
|---|
| switzerland-vat |
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
| Sierra Leone VAT / GST |
| Florida Transient Rental Tax (Tourist Development) — by County |
| va-sales-tax |
| Gambia VAT / GST |
| Tajikistan VAT / GST |
| lithuania-vat-return |
| Sao Tome and Principe VAT / GST |
| Eritrea VAT / GST |
| Chad VAT / GST |
| la-sales-tax |
| Gabon VAT / GST |
| Eswatini VAT / GST |
| denmark-vat-return |
| russia-vat |
| Niger VAT / GST |
| Togo VAT / GST |
| Macau VAT / GST |
| Malawi VAT / GST |
| Namibia VAT / GST |
| minnesota-sales-tax |
| au-gst-bas |
| Argentina — IVA (VAT) |
| greece-vat-return |
| Guyana VAT / GST |
| Lesotho VAT / GST |
| Mauritania VAT / GST |
| Libya VAT / GST |
| Suriname VAT / GST |
| armenia-vat |
| Seychelles VAT / GST |
| Madagascar VAT / GST |
| Mali VAT / GST |
| Timor-Leste VAT / GST |
| missouri-sales-tax |
| el-salvador-iva |
| australia-gst |
| Sudan VAT / GST |
| San Marino VAT / GST |
| at-vat-return |
| belarus-vat |
| Turkmenistan VAT / GST |
| Vanuatu VAT / GST |
| kosovo-vat |
| philippines-vat |
| bahamas-vat |
| barbados-vat |
| nicaragua-iva |
| Tonga VAT / GST |
| Samoa VAT / GST |