# Consistency Policy

> The requirement that a defined policy specify how and when replicas converge to a consistent state.

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

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Consistency Lag](https://banes-lab.com/records/lexicon/consistency-lag.md) and before [Read Scaling](https://banes-lab.com/records/lexicon/read-scaling.md).

## Category

- [Self-Healing / Recovery / Deployment Safety](https://banes-lab.com/records/lexicon-category/self-healing-recovery-deployment-safety.md)

## Required by

- [Replication](https://banes-lab.com/records/architecture/replication.md)

## Linked from

- [Self-Healing / Recovery / Deployment Safety](https://banes-lab.com/ontology/principles/architecture-category-self-healing-recovery-deployment-safety.md)