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

reportNumber

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

Thing > Property > reportNumber

The number or other unique designator assigned to a Report by the publishing organization.
Values expected to be one of these types
Text
Used on these types
Report

Schema Version 3.3