# Slot: never_in _Points to a taxon constraint that states the SubjectTerm is NEVER found in a taxon or descendant. Formally, the term AND its descendants MUST NOT be in the specified taxon, or a descendant of that taxon_ __ URI: [RO:0002161](http://purl.obolibrary.org/obo/RO_0002161) ## Applicable Classes | Name | Description | Modifies Slot | | --- | --- | --- | | [SubjectTerm](SubjectTerm.md) | A term that is the subject of a taxon constraint | no | ## Properties * Range: [TaxonConstraint](TaxonConstraint.md) * Multivalued: True ## Identifier and Mapping Information ### Schema Source * from schema: https://w3id.org/oak/taxon_constraints ## LinkML Source
```yaml name: never_in description: 'Points to a taxon constraint that states the SubjectTerm is NEVER found in a taxon or descendant. Formally, the term AND its descendants MUST NOT be in the specified taxon, or a descendant of that taxon ' from_schema: https://w3id.org/oak/taxon_constraints rank: 1000 slot_uri: RO:0002161 multivalued: true alias: never_in owner: SubjectTerm domain_of: - SubjectTerm range: TaxonConstraint ```