diff --git a/OpenAPI/TS28541_NrNrm.yaml b/OpenAPI/TS28541_NrNrm.yaml
index 8023f597597eb206dd67b948dd2a73dccfb1374d..acbc1c5ea08205228015888b656dbca0d926a725 100755
--- a/OpenAPI/TS28541_NrNrm.yaml
+++ b/OpenAPI/TS28541_NrNrm.yaml
@@ -286,6 +286,7 @@ components:
       type: string
       enum:
         - INITIAL
+        - INITIAL_REDCAP
         - OTHER
     IsESCoveredBy:
       type: string