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 |
|---|
| ng-vat-return |
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
| Botswana VAT / GST |
| mexico-iva |
| Central African Republic VAT / GST |
| japan-consumption-tax |
| Cuba VAT / GST |
| Cape Verde VAT / GST |
| idaho-sales-tax |
| Afghanistan VAT / GST |
| jp-consumption-tax |
| Burundi VAT / GST |
| california-sales-tax |
| Angola VAT / GST |
| Benin VAT / GST |
| Bhutan VAT / GST |
| maldives-gst |
| ok-sales-tax |
| kr-vat-return |
| cn-vat |
| mozambique-vat |
| Belize VAT / GST |
| mo-sales-tax |
| texas-sales-tax |
| singapore-gst |
| spain-vat-return |
| luxembourg-vat-return |
| DR Congo VAT / GST |
| malaysia-sst |
| zimbabwe-vat |
| bangladesh-vat |
| Republic of Congo VAT / GST |
| netherlands-vat-return |
| north-macedonia-vat |
| no-sales-tax-states |
| il-sales-tax |
| Equatorial Guinea VAT / GST |
| nv-sales-tax |
| Curacao VAT / GST |
| illinois-sales-tax |
| Guinea VAT / GST |
| Guinea-Bissau VAT / GST |
| Kyrgyzstan VAT / GST |
| Liberia VAT / GST |
| maryland-sales-tax |
| massachusetts-sales-tax |
| South Sudan VAT / GST |
| Djibouti VAT / GST |
| Somalia VAT / GST |
| Florida Discretionary Sales Surtax — by County (2026) |
| Florida Transient Rental Tax (Tourist Development) — by County |