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

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.

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.

1796 Guides · 186 matching · 244 jurisdictions

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NameDomainJurisdictionStatus
UK Transfer Pricing

Whenever asked about UK transfer pricing rules, documentation, or HMRC…

Transfer PricingUnited KingdomAttested by another accountant

Showing 151–186 of 186 Guides

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1796 Guides across 244 jurisdictions. You do not need to cover an entire country. Publish a Guide within your expertise, under your name, and colleagues attest to the ones they stand behind.

GLOBAL

61 Guides · No accountant yet

United States

60 Guides · No accountant yet

Australia

23 Guides · No accountant yet

Spain

22 Guides · No accountant yet

Canada

35 Guides · Reviewed by: Edgar Lautsyus

UK Self Employment Sa103

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

Income TaxUnited KingdomAttested by another accountant
IL Payroll

Tier 2 Illinois content skill for employer payroll compliance covering…

PayrollIllinoisAttested by another accountant
NG Cit

Whenever asked about Nigerian Companies Income Tax (CIT) for a residen…

—NigeriaAttested by another accountant
India Payroll

Whenever asked about Indian payroll processing, employee salary calcul…

PayrollIndiaAttested by another accountant
BR Estimated Tax

Use esta skill sempre que for solicitado a tratar de pagamentos mensai…

Income TaxBrazilAttested by another accountant
CA Fed T2125

Whenever asked about Canadian self-employment business income reported…

Income TaxCanadaAttested by another accountant
India Tax Optimization

When advising on LEGAL tax minimization strategies for Indian taxpayer…

Tax OptimizationIndiaAttested by another accountant
US Estate Gift 706 709

Tier 2 US federal content skill for the unified estate, gift, and gene…

—United StatesAttested by another accountant
US Form 1120 C Corp

Tier 2 US federal content skill for preparing Form 1120 — the US C-cor…

—United StatesAttested by another accountant
Tanzania Tax Optimization

Tanzania (Mainland) tax-optimization and statutory reliefs — CIT reduc…

Tax OptimizationTanzaniaAttested by another accountant
Brazil VAT

Use esta skill sempre que perguntarem sobre tributos indiretos brasile…

VAT / GSTBrazilAttested by another accountant
Canada Payroll

Whenever asked about Canadian payroll, source deductions, CPP contribu…

PayrollCanadaAttested by another accountant
PK Sales Tax ServicesVAT / GSTPakistanAttested by another accountant
Saudi Arabia VAT

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

VAT / GSTSaudi ArabiaAttested by another accountant
India Formation

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

Company FormationIndiaAttested by another accountant
US Form 5472 Foreign Owned US

Tier 2 US federal content skill for Form 5472 — Information Return of …

—United StatesAttested by another accountant
Nepal Payroll

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

PayrollNepalAttested by another accountant
Nepal Tds

ALWAYS read this skill before touching any Nepal TDS / withholding tax…

—NepalAttested by another accountant
South Korea VAT

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

VAT / GSTSouth KoreaAttested by another accountant
Canada Financial Statements

When preparing, reviewing, or advising on annual financial statements …

Financial StatementsCanadaAttested by another accountant
ZA VAT Return

Whenever asked about South African VAT returns for self-employed indiv…

VAT / GSTSouth AfricaAttested by another accountant
PT Social Contributions

Whenever asked about Portuguese self-employed social contributions (co…

PayrollPortugalAttested by another accountant
PK Sales Tax Federal

ALWAYS read this skill before touching any Pakistan FEDERAL sales tax …

VAT / GSTPakistanAttested by another accountant
UK Formation

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

Company FormationUnited KingdomAttested by another accountant
ID Pph Final Umkm

Whenever asked to compute, review, or advise on Indonesia PPh Final UM…

—IndonesiaAttested by another accountant
Tanzania (Mainland) Social Security & Payroll Contributions

Whenever asked about Tanzania (Mainland) payroll taxes and social secu…

—TanzaniaAttested by another accountant
PK Cgt

Whenever asked about Pakistan Capital Gains Tax. Trigger on phrases li…

—PakistanAttested by another accountant
BR Simples Nacional

[PT-BR] Use esta skill sempre que for solicitado tratar do Simples Nac…

Income TaxBrazilAttested by another accountant
UK Rental Sa105

Whenever asked about UK property income or rental income for individua…

Income TaxUnited KingdomAttested by another accountant
AR Monotributo

Whenever asked about the Argentine Monotributo simplified tax regime. …

Income TaxArgentinaAttested by another accountant
PT Income Tax

Utilizar esta skill sempre que for solicitada ajuda com o IRS (Imposto…

Income TaxPortugalAttested by another accountant
CA Fed T1135

Whenever asked about Canada Form T1135, Foreign Income Verification St…

Cross-BorderCanadaAttested by another accountant
PK Withholding Tax

ALWAYS read this skill before touching any Pakistan Withholding Tax (W…

Cross-BorderPakistanAttested by another accountant
UK Student Loan Repayment

Whenever asked about UK Student Loan repayment for self-employed indiv…

Income TaxUnited KingdomAttested by another accountant
PK Formation

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

Company FormationPakistanAttested by another accountant

United Kingdom

25 Guides · Reviewed by: James Power

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