# Validator Tag

> A formal definition of the tag for a file that decides whether its input is valid and reports why it is not, filed in a validators folder.

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

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Filter Tag](https://banes-lab.com/records/lexicon/filter-tag.md) and before [Matcher Tag](https://banes-lab.com/records/lexicon/matcher-tag.md).

## Category

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

## Linked from

- [Infrastructure Concerns](https://banes-lab.com/ontology/lexicon/lexicon-category-infrastructure-concerns.md)
- [Refused Tags](https://banes-lab.com/ontology/lexicon/lexicon-category-refused-tags.md)