core + attic (Attic Area): these terms have been either depricated from the core or extentions, or removed from pending as not accepted into the full vocabulary.

validFor

Canonical URL: http://schema.org/validFor

Thing > Property > validFor

The time validity of the permit.

Usage: Between 10 and 100 domains
Values expected to be one of these types
Duration
Used on these types
Permit

Schema Version 3.2