vacantSince

gs:vacantSince Property

Date from which a Post has been unfilled. A vacancy is publishable information: omitting it is indistinguishable from never having collected it.

Identifier (IRI)
https://schema.govfresh.com/v1/vacantSince
Label
vacant since
Used on
gs:Post
Value
schema:Date
Profile
org

The full definition is in the vocabulary file (Turtle). A static host cannot choose a format by request, so this page and that file are the two ways to read it.