The open Tax Guides
Browse the open Tax Guides that power OpenAccountants workflows. Each Guide is designed to be cited, inspectable, and usable by AI systems (as a machine-readable Skill). Some are source-cited drafts. Some have named accountant review. All are open Tax Guides.
The Guides are open. The trust layer shows who reviewed them.
1752 Guides · 241 jurisdictions
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1752 Guides across 241 jurisdictions. You do not need to review an entire country — choose a Guide within your expertise and get credited as an Open Accountants Partner on the ones you review.
| Angola Personal Income Tax |
| HU VAT Return |
| Cross Border VAT GST |
| US Tax Workflow Base |
| IL Customs Duty |
| Massachusetts Sales Tax |
| Burundi Corporate Income Tax |
| Argentina Company Formation & Entity Choice |
| North Macedonia Payroll |
| SA Formation |
| Eritrea Personal Income Tax |
| KS Sales Tax |
| California Sales Tax |
| IL Pprt |
| Portugal Crypto Tax |
| Curacao Payroll & Social Contributions |
| Mexico Einvoice |
| Afghanistan Company Formation & Entity Choice |
| Nicaragua Income Tax -- Rentas del Trabajo |
| IE Formation |
| Somalia Payroll & Social Contributions |
| Guinea-Bissau Corporate Income Tax |
| MS Sales Tax |
| Thailand Pit |
| Timor-Leste Payroll & Social Contributions |
| Gabon Payroll & Social Contributions |
| US Section 1202 QSBS |
| MI Corporate Income Tax |
| Guyana Tax Overview |
| Japan Consumption Tax |
| Uruguay Income Tax (IRPF) -- Resident Individual |
| BR Inss |
| Texas Sales Tax |
| Iceland Tax Overview |
| Cape Verde Personal Income Tax |
| Tonga Personal Income Tax |
| Hong Kong VAT / GST |
| Algeria Payroll |
| Djibouti Company Formation & Entity Choice |
| Guyana Company Formation & Entity Choice |
| Gambia Company Formation & Entity Choice |
| ES Estimated Tax |
| Costa Rica Social-Security Contributions (Cargas Sociales) & Salary-Tax Withholding — |
| NH Bpt Bet |
| US Federal — Section 1031 Like-Kind Exchange |
| Bhutan Corporate Income Tax |
| ZA VAT Return |
| Panama Social Security Contributions (CSS) -- Payroll & Self-Employed |
| Tajikistan VAT / GST |
Dominican Republic
22 Guides · Partner: Miguel Lantigua