diff --git a/extensions/openpower-pels/registry/README.md b/extensions/openpower-pels/registry/README.md
index 154622e..f914bfc 100644
--- a/extensions/openpower-pels/registry/README.md
+++ b/extensions/openpower-pels/registry/README.md
@@ -239,6 +239,20 @@
 }
 ```
 
+### SRC Deconfig Flag
+
+Bit 6 in hex word 5 of the SRC means that one or more called out resources have
+been deconfigured, and this flag can be used to set that bit. The only other way
+to set it is by indicating it when
+[passing in the callouts via JSON](../README.md#callouts).
+
+This is looked at by the software that creates the periodic PELs that indicate a
+system is running with deconfigured hardware.
+
+```json
+"DeconfigFlag": true
+```
+
 ### Documentation Fields
 
 The documentation fields are used by PEL parsers to display a human readable
diff --git a/extensions/openpower-pels/registry/schema/schema.json b/extensions/openpower-pels/registry/schema/schema.json
index 0d23cd8..3a2ac42 100644
--- a/extensions/openpower-pels/registry/schema/schema.json
+++ b/extensions/openpower-pels/registry/schema/schema.json
@@ -100,7 +100,9 @@
 
                 "SymptomIDFields": { "$ref": "#/definitions/symptomID" },
 
-                "Words6To9": { "$ref": "#/definitions/srcWords6To9" }
+                "Words6To9": { "$ref": "#/definitions/srcWords6To9" },
+
+                "DeconfigFlag": { "$ref": "#/definitions/deconfigFlag" }
             },
 
             "required": ["ReasonCode", "Words6To9"],
@@ -132,6 +134,11 @@
             "enum": ["BD", "11"]
         },
 
+        "deconfigFlag": {
+            "description": "If true, will set bit 6 in hex data word 5, which means 'one or more resources are deconfigured'.",
+            "type": "boolean"
+        },
+
         "docNotes": {
             "description": "Any notes/comments about the error. An array of strings for manual line wrapping. Optional.",
             "type": "array",