# Compatibility Policy

> The declared rules governing which changes are compatible and how versions are managed.

Record: `lexicon:compatibility-policy`
Kind: constraint
Layer: [Contracts Core](https://banes-lab.com/records/layer/contracts-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-compatibility-policy

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Undefined Results](https://banes-lab.com/records/lexicon/undefined-results.md) and before [Consistent Semantics](https://banes-lab.com/records/lexicon/consistent-semantics.md).

## Category

- [Contracts / Interfaces / Compatibility](https://banes-lab.com/records/lexicon-category/contracts-interfaces-compatibility.md)

## Required by

- [Versioning](https://banes-lab.com/records/architecture/versioning.md)

## Linked from

- [Contracts / Interfaces / Compatibility](https://banes-lab.com/ontology/principles/architecture-category-contracts-interfaces-compatibility.md)