Contributing

Use this section when you want to propose a tax behaviour change and prepare a pull request with source evidence, tests and release-impact notes.

Start with your intent

• What are you changing? routes common contribution intentions to the right guide.
• Fix an incorrect result explains how to reproduce and correct a calculation issue.
• PR evidence checklist lists the evidence your pull request must include.

Contribution flow

Contribution guides

• Add a fact
• Add a rule
• Add a calculator
• Add a tax year

Standards

• Testing standards
• Source citation standards
• Naming and schema standards
• Effect service standards
• Backward compatibility
• Changesets
• Review expectations

Related sections

• Concepts
• Guides
• Reference
• Package ownership

Read this page as Markdown