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OpenAccountants publishes open, source-cited tax knowledge for use by people, software and AI. Automated outputs are drafts and do not create a professional engagement. Obtain qualified advice before filing, paying or taking a material tax position.

© 2026 OpenAccountants. Open tax rules, reviewed by accountants.

The open Tax Guides

Open Tax Guides for the AI you already use

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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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— researched and cited, not yet reviewed by a licensed practitioner.
Accountant-reviewed
— reviewed as general reference material by a named licensed practitioner.
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— flagged for review.
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— do not use for current work.
NameDomainJurisdictionStatus
Zambia Payroll & Social Contributions

Source-cited draft: payroll & social contributions for Zambia (tax yea…

PayrollZambiaSource-cited draft

Showing 901–950 of 1727 Guides

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Know this subject? Review a Guide.

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.

GLOBAL

61 Guides · Awaiting review

US Federal

58 Guides · Awaiting review

Spain

22 Guides · Awaiting review

Australia

20 Guides · Awaiting review

Canada

35 Guides · Partner: Edgar Lautsyus

Kosovo Tax Optimization

Whenever asked about reducing tax in Kosovo, tax planning, or legal st…

Tax OptimizationKosovoSource-cited draft
MA Cpu

Whenever asked about Morocco's Contribution Professionnelle Unique (CP…

—MoroccoSource-cited draft
FR Personal Income Tax

Comprehensive French personal income tax (impôt sur le revenu / IR) gu…

Income TaxFranceSource-cited draft
EG Sme Tax

Whenever asked about Egypt's simplified or SME tax regime for small se…

Income TaxEgyptSource-cited draft
Malaysia Einvoice

Whenever asked about Malaysia e-invoicing, MyInvois system, LHDN/LHDNM…

E-InvoicingMalaysiaSource-cited draft
Zambia Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for Zambia (tax …

Company FormationZambiaSource-cited draft
UK Self Employment Sa103

Whenever asked about UK self-employment income for sole traders filing…

Income TaxUnited KingdomAccountant-reviewed
Portugal Einvoice

Utilize esta skill sempre que lhe forem colocadas questões sobre factu…

E-InvoicingPortugalAccountant-reviewed
Canada GST HST

Whenever asked to prepare, review, or classify transactions for a Cana…

VAT / GSTCanadaSource-cited draft
Mozambique Personal Income Tax (IRPS)

Whenever asked about Mozambique personal income tax (IRPS) for employe…

Income TaxMozambiqueSource-cited draft
Belarus Payroll

Whenever asked about Belarus payroll processing for employed persons. …

PayrollBelarusSource-cited draft
South Korea VAT

Whenever asked to prepare, review, or classify transactions for a Sout…

VAT / GSTSouth KoreaAccountant-reviewed
MS Income Tax

Whenever asked about Mississippi individual income tax for self-employ…

Income TaxMississippiSource-cited draft
Cross Border Payroll Coordination

Cross-border payroll compliance for companies with employees or contra…

Cross-BorderInternational / OtherSource-cited draft
JP Social Insurance

Whenever asked about Japanese National Health Insurance (NHI) or Natio…

PayrollJapanSource-cited draft
Moldova VAT

Whenever asked to prepare, review, or classify transactions for a Mold…

VAT / GSTMoldovaSource-cited draft
Croatia Tax Optimization

Whenever asked about reducing tax in Croatia, tax planning, saving tax…

Tax OptimizationCroatiaSource-cited draft
US Ca Freelance Intake

When a user asks for help preparing their US federal or California sta…

Income TaxCaliforniaSource-cited draft
MN Corporate And PTE—MinnesotaSource-cited draft
Nepal Payroll

ALWAYS read this skill before touching any Nepal payroll work. Use whe…

PayrollNepalAccountant-reviewed
Canada Bookkeeping

Whenever asked about Canadian bookkeeping for sole proprietors, partne…

BookkeepingCanadaAccountant-reviewed
NY Payroll

Tier 2 New York content skill for employer payroll compliance covering…

PayrollNew YorkSource-cited draft
Mongolia Tax Overview

Source-cited draft: tax overview for Mongolia (tax year 2025) — rates,…

Income TaxMongoliaSource-cited draft
Serbia Social Security Contributions & Payroll Tax

Whenever asked about Serbian payroll taxes and mandatory social securi…

PayrollSerbiaSource-cited draft
MN Sales Tax

Whenever asked about Minnesota sales and use tax. Trigger on phrases l…

VAT / GSTMinnesotaSource-cited draft
Mongolia Corporate Income Tax

Source-cited draft: corporate income tax for Mongolia (tax year 2025) …

Income TaxMongoliaSource-cited draft
IT Inps Contributions

Whenever asked about Italian INPS social contributions for self-employ…

PayrollItalySource-cited draft
CN VAT

当用户要求准备、复核、分类与中国增值税(VAT / 增值税)相关的交易、申报或合规事项时,必须先阅读本技能。触发关键词包括:"中国增值税"、…

VAT / GSTChinaSource-cited draft
Venezuela Income Tax (ISLR) — Individual

Whenever asked about Venezuela personal income tax (ISLR — Impuesto So…

Income TaxVenezuelaAccountant-reviewed
NZ Acc Levies

Whenever asked about New Zealand ACC levies for self-employed individu…

PayrollNew ZealandSource-cited draft
NG Personal Income Tax

Whenever asked about Nigerian Personal Income Tax (PIT) for individual…

Income TaxNigeriaSource-cited draft
CO VAT Return

Colombian VAT return (IVA -- Impuesto sobre las Ventas) for self-emplo…

VAT / GSTColombiaSource-cited draft
IN Tds Freelance

Whenever asked about Indian TDS (Tax Deducted at Source) on payments t…

Income TaxIndiaAccountant-reviewed
France Formation

Whenever asked about forming, incorporating, or registering a company …

Company FormationFranceSource-cited draft
PK Income Tax

Whenever asked about Pakistan personal income tax for resident individ…

Income TaxPakistanAccountant-reviewed
Ecuador Income Tax -- Personas Naturales / Self-Employed

Whenever asked about Ecuador personal income tax (Impuesto a la Renta)…

Income TaxEcuadorSource-cited draft
Mongolia Payroll & Social Contributions

Source-cited draft: payroll & social contributions for Mongolia (tax y…

PayrollMongoliaSource-cited draft
Turkmenistan Corporate Income Tax

Source-cited draft: corporate income tax for Turkmenistan (tax year 20…

Income TaxTurkmenistanSource-cited draft
Moldova Payroll

Whenever asked about Moldova (Republic of Moldova) payroll processing …

PayrollMoldovaSource-cited draft
Kuwait Tax

Whenever asked about Kuwait taxation, corporate income tax, ZAKAT, or …

Income TaxKuwaitSource-cited draft
RU Self Employed Npd

Whenever asked about the Russian self-employed tax regime for individu…

Income TaxRussiaSource-cited draft
Cyprus Social Insurance & GHS (GESY) Contributions

Whenever asked about Cyprus social insurance and General Healthcare Sy…

PayrollCyprusAccountant-reviewed
Uzbekistan Tax Optimization

Whenever asked about reducing tax in Uzbekistan, tax planning, or lega…

Tax OptimizationUzbekistanSource-cited draft
Ohio Sales Tax

Whenever asked about Ohio sales and use tax, ODT filings, Ohio CAT, Oh…

VAT / GSTOhioSource-cited draft
AU Super Guarantee

Whenever asked about Australian Superannuation Guarantee (SG) obligati…

PayrollAustraliaSource-cited draft
Mongolia Company Formation & Entity Choice

Source-cited draft: company formation & entity choice for Mongolia (ta…

Company FormationMongoliaSource-cited draft
Germany Einvoice

Whenever asked about German e-invoicing, XRechnung, ZUGFeRD, ERechV, E…

E-InvoicingGermanySource-cited draft
SA Withholding Tax

Whenever asked to compute, classify, or review Saudi Arabian Withholdi…

Cross-BorderSaudi ArabiaAccountant-reviewed
MA Einvoice

Whenever asked about Morocco e-invoicing, the DGI's mandatory electron…

E-InvoicingMoroccoSource-cited draft

Dominican Republic

22 Guides · Partner: Miguel Lantigua

Guides awaiting reviewBecome a Partner