Index: trunk/data/validator/deprecated.mapcss
===================================================================
--- trunk/data/validator/deprecated.mapcss	(revision 15548)
+++ trunk/data/validator/deprecated.mapcss	(revision 15634)
@@ -1069,4 +1069,10 @@
 }
 
+*[office=administrative] {
+  throwWarning: tr("{0} is deprecated", "{0.tag}");
+  group: tr("deprecated tagging");
+  suggestAlternative: "office=government";
+}
+
 /* #12708 */
 *[vending=news_papers] {