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.

referencesOrder

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

Thing > Property > referencesOrder

The Order(s) related to this Invoice. One or more Orders may be combined into a single Invoice.
Values expected to be one of these types
Order
Used on these types
Invoice

Schema Version 3.4