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
Showing 251–300 of 300 skills
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
| egypt-vat |
| ukraine-vat |
| ne-sales-tax |
| new-jersey-sales-tax |
| nigeria-vat |
| indiana-sales-tax |
| maine-sales-tax |
| mississippi-sales-tax |
| wisconsin-sales-tax |
| austria-vat-return |
| dc-sales-tax |
| iran-vat |
| latvia-vat-return |
| sri-lanka-vat |
| Bulgaria VAT (ДДС) Return |
| es-vat-return |
| canada-gst-hst |
| us-sales-tax |
| Dominican Republic Selective Consumption Tax (ISC) |
| belgium-vat-return |
| ghana-vat |
| thailand-vat |
| ecuador-iva |
| ng-vat |
| iceland-vat |
| liechtenstein-vat |
| mx-vat-return |
| slovakia-vat-return |
| norway-mva |
| rwanda-vat |
| slovenia-vat-return |
| portugal-vat-return |
| saudi-arabia-vat |
| sweden-vat-return |
| ak-sales-tax |
| cl-vat-return |
| us-sales-tax-nexus-50-state-matrix |
| uae-vat |
| uzbekistan-vat |
| hi-sales-tax |
| qc-qst-return |
| vt-sales-tax |
| pk-sales-tax-federal |
| pk-sales-tax-services |
| pakistan-sales-tax |
| greece-vat-return |
| German UStVA (VAT Return) |
| malta-vat-return |
| EU VAT Directive |