---
name: new-zealand-references
description: Primary source references and related open-source projects for this jurisdiction.
license: AGPL-3.0-or-later (code) / OpenAccountants Guide License v1.0 (content)
metadata:
  source: openaccountants
  jurisdiction: NZ
  category: tax
  quality: source-cited draft
  openaccountants_url: "https://openaccountants.com/skills/new-zealand-references"
  obligation: OTHER
---

# New Zealand — Related Open-Source Projects

> **General reference only.** This skill is general tax/accounting reference material for AI-assisted workflows. It has not been reviewed for any specific person's facts, documents, elections, deadlines, residency, filing status, or local procedures. Do not rely on it to file, pay, amend, or take a tax position without review by a qualified professional in the relevant jurisdiction.

OpenAccountants is AGPL-3.0. AGPL-3.0 projects below are same-license family — fully compatible.

## openfisca-aotearoa

- Repository: [BetterRules/openfisca-aotearoa](https://github.com/BetterRules/openfisca-aotearoa)
- License: AGPL-3.0
- Stars: 41
- Contributors: 15
- Language: Python
- Scope: Aotearoa New Zealand legislation encoded as computable rules using the OpenFisca framework. Covers income tax brackets, Working for Families (WFF) tax credits, Best Start payments, accommodation supplement, community services card eligibility, jobseeker support, sole parent support, student allowance, and various social welfare entitlements.
- Why it matters: Government-supported "Better Rules" initiative to make legislation machine-readable. 41 stars and 15 contributors including government/academic participants. Same AGPL-3.0 license as OpenAccountants.
- Integration approach: NZ income tax bracket definitions, WFF credit calculations, and social welfare entitlement rules directly referenceable. Strong validation source for NZ tax rates and thresholds.

## openfisca-aotearoa (Digital Aotearoa fork)

- Repository: [digitalaotearoa/openfisca-aotearoa](https://github.com/digitalaotearoa/openfisca-aotearoa)
- License: AGPL-3.0
- Stars: 11
- Scope: Continuation/fork of the BetterRules project with additional legislation coverage.
- Integration approach: Same as above — supplementary NZ rules and updated parameters.

---

_Source: [OpenAccountants](https://openaccountants.com/skills/new-zealand-references) — open tax Guides for AI, reviewed by named CPAs/CAs/EAs. Quality: **source-cited draft**. For always-current figures and named-accountant backing, connect the OpenAccountants MCP server (`openaccountants-mcp`)._