# Contract Tag

> A formal definition of the tag for a file that states what one side of a boundary guarantees to the other, filed in a contracts folder.

Record: `lexicon:contract-tag`
Kind: artifact
Layer: [Structural Core](https://banes-lab.com/records/layer/structural-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-contract-tag

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Layer Tag](https://banes-lab.com/records/lexicon/layer-tag.md) and before [Schemas Tag](https://banes-lab.com/records/lexicon/schemas-tag.md).

## Category

- [Infrastructure Concerns](https://banes-lab.com/records/lexicon-category/infrastructure-concerns.md)