Source: Schema.org v30.1 vocabulary. Official validUntil property definition.
What does validUntil mean?
The date when the item is no longer valid.
Used on types (domainIncludes)
Expected value types (rangeIncludes)
Schema.org domainIncludes and rangeIncludes are descriptive guidance, not strict validation prohibitions. Check the official reference for updates.
Related reference
Browse all Schema.org types and properties · Google feature support status