openaccountants
Tax GuidesFor AccountantsFor DevelopersPartnersDocsPodcastAboutContact
openaccountants

AI makes tax knowledge abundant. OpenAccountants makes tax work trustworthy.

Brand kit

Explore

Tax GuidesTax CalendarPartners

Use OpenAccountants

Add to your AIFor AccountantsFor DevelopersDocs

Project

AboutHow It WorksBlogGitHub

Trust

Review MethodSecurityPrivacyTermsContact

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

Add a Guide

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

Loading the map…

Source-cited draft
— researched and cited, not yet reviewed by a licensed practitioner.
Accountant-reviewed
— reviewed as general reference material by a named licensed practitioner.
Needs update
— flagged for review.
Deprecated
— do not use for current work.
NameDomainJurisdictionStatus
NL Tax Credits

For Newfoundland and Labrador provincial tax credits + NL Insurance Pr…

—CanadaSource-cited draft
MB Rst

For Manitoba Retail Sales Tax (RST) — 7% sales tax (NOT harmonized wit…

Showing 1601–1650 of 1727 Guides

PreviousPage 33 of 35Next

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

—
Canada
Source-cited draft
NU Tax Credits

For Nunavut provincial tax credits — Nunavut Cost of Living Tax Credit…

—CanadaSource-cited draft
NB Tax Credits

For New Brunswick provincial tax credits — NB Low-Income Tax Reduction…

—CanadaSource-cited draft
South Africa Transfer Pricing

Whenever asked about South Africa transfer pricing rules, documentatio…

Transfer PricingSouth AfricaSource-cited draft
CN Freelance Intake

When a user asks for help with Chinese tax compliance AND mentions fre…

Income TaxChinaSource-cited draft
Belgium Payroll

Whenever asked about Belgian payroll processing, employee salary calcu…

PayrollBelgiumSource-cited draft
VT Sales Tax

Whenever asked about Vermont sales tax, Vermont use tax, Vermont Tax D…

VAT / GSTVermontSource-cited draft
SA Corporate Tax

ALWAYS read this skill before touching any Saudi Arabian corporate inc…

Income TaxSaudi ArabiaSource-cited draft
US Form 1120 C Corp

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

—US FederalAccountant-reviewed
CA 540 Individual Return

Tier 2 content skill for preparing California Form 540 (Resident Incom…

Income TaxCaliforniaSource-cited draft
Peru Income Tax (Impuesto a la Renta — Rentas de Trabajo)

Whenever asked about Peru income tax (Impuesto a la Renta) for individ…

Income TaxPeruAccountant-reviewed
BC Individual Return

Whenever asked about British Columbia provincial income tax for a self…

Income TaxCanadaSource-cited draft
PK Return Assembly

Whenever asked to assemble, finalize, or package a Pakistani annual ta…

Income TaxPakistanSource-cited draft
Ecuador Tax Optimization

Whenever asked about reducing tax in Ecuador, tax planning, or legal s…

Tax OptimizationEcuadorSource-cited draft
Cyprus Tax Optimization

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

Tax OptimizationCyprusAccountant-reviewed
EG Social Insurance

Whenever asked about Egypt social insurance contributions for an emplo…

PayrollEgyptSource-cited draft
Moldova Tax Optimization

Whenever asked about reducing tax in Moldova, tax planning, or legal s…

Tax OptimizationMoldovaSource-cited draft
SA Excise Tax

Whenever asked about Saudi Arabia Excise Tax. Trigger on phrases like …

Income TaxSaudi ArabiaAccountant-reviewed
PK Sales Tax ServicesVAT / GSTPakistanAccountant-reviewed
Ifrs16 Leases

IFRS lease accounting under IFRS 16 (Leases). Covers the lessee single…

—GLOBALSource-cited draft
Sri Lanka Payroll

ALWAYS read this skill before touching any Sri Lanka payroll work. Use…

PayrollSri LankaAccountant-reviewed
DE Franchise Tax And LLC—DelawareSource-cited draft
MN Income Tax

Whenever asked about Minnesota individual income tax for self-employed…

Income TaxMinnesotaSource-cited draft
Slovenia Payroll

Whenever asked about Slovenia payroll processing for employed persons.…

PayrollSloveniaSource-cited draft
ES Autonomous Worker

Whenever asked about Spanish self-employed (autónomo) tax and social s…

Income TaxSpainSource-cited draft
ND Income Tax

Whenever asked about North Dakota individual income tax for self-emplo…

Income TaxNorth DakotaSource-cited draft
UK Return Assembly

Final orchestrator skill that assembles the complete UK filing package…

Income TaxUnited KingdomSource-cited draft
EG Return Assembly

As the final orchestrator that assembles the complete Egyptian filing …

Income TaxEgyptSource-cited draft
US PTE State Matrix

Tier 2 US federal-level reference skill providing the comprehensive st…

—US FederalSource-cited draft
MA Income Tax

Whenever asked about Massachusetts individual income tax. Trigger on p…

Income TaxMassachusettsSource-cited draft
MA Payroll

Tier 2 Massachusetts content skill for employer payroll compliance cov…

PayrollMassachusettsSource-cited draft
Pakistan Sales Tax

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

VAT / GSTPakistanSource-cited draft
US Form 5472 Foreign Owned US

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

—US FederalAccountant-reviewed
Chile Tax Overview

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

Income TaxChileSource-cited draft
Nepal Tds

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

—NepalAccountant-reviewed
IL Freelancer Ops

When advising Israeli freelancers (עצמאים) on business operations, tax…

Income TaxIsraelSource-cited draft
Free Zones Sez Matrix

Whenever a company asks about establishing or trading through a free z…

Cross-BorderGLOBALSource-cited draft
IE Preliminary Tax

Whenever asked about Irish Preliminary Tax for self-employed individua…

Income TaxIrelandSource-cited draft
Canada Financial Statements

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

Financial StatementsCanadaAccountant-reviewed
Japan Financial Statements

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

Financial StatementsJapanSource-cited draft
PT Social Contributions

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

PayrollPortugalAccountant-reviewed
IE Non Dom

For any question about Ireland's non-dom tax rules. Trigger on: "Irela…

—IrelandSource-cited draft
PH Withholding

Whenever asked about Philippines withholding tax, especially Expanded …

Cross-BorderPhilippinesAccountant-reviewed
Ethiopia Payroll Skill v0.1 (Tier 2 -- Research-Verified)

Whenever asked about Ethiopia payroll processing for employed persons.…

PayrollEthiopiaSource-cited draft
PK Payroll Eobi

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

PayrollPakistanAccountant-reviewed
Portugal Tax Optimization

Utilize esta skill ao aconselhar sobre estratégias LEGAIS de minimizaç…

Tax OptimizationPortugalAccountant-reviewed
Global Marketplaces Banking Fees

Pattern library for online marketplaces (Etsy, eBay, Amazon Seller, Al…

—GLOBALSource-cited draft
Global SAAS Vendors

Deterministic lookup table of 100+ common SaaS/tech vendors that appea…

—GLOBALSource-cited draft
FR Cfe

Whenever asked about the French Cotisation Foncière des Entreprises (C…

Income TaxFranceSource-cited draft

Dominican Republic

22 Guides · Partner: Miguel Lantigua

Guides awaiting reviewBecome a Partner