# Consistency Rules

> The requirement that the invariants a transaction must preserve be defined for its scope.

Record: `lexicon:consistency-rules`
Kind: constraint
Layer: [Atomic Boundary](https://banes-lab.com/records/layer/atomic-boundary.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-consistency-rules

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Strong Transactional Guarantees](https://banes-lab.com/records/lexicon/strong-transactional-guarantees.md) and before [Hidden Distributed Transaction](https://banes-lab.com/records/lexicon/hidden-distributed-transaction.md).

## Category

- [Transactions / State / Concurrency](https://banes-lab.com/records/lexicon-category/transactions-state-concurrency.md)

## Required by

- [Transaction Boundary](https://banes-lab.com/records/architecture/transaction-boundary.md)

## Linked from

- [Transactions / State / Concurrency](https://banes-lab.com/ontology/principles/architecture-category-transactions-state-concurrency.md)