diff --git a/library/L3_Templates.ttcn b/library/L3_Templates.ttcn
index 0b714d3..6099303 100644
--- a/library/L3_Templates.ttcn
+++ b/library/L3_Templates.ttcn
@@ -692,6 +692,19 @@
 	}
 }
 
+template PDU_ML3_NW_MS tr_RRM_RR_RELEASE_CSFB(template OCT1 cause := ?) modifies tr_RRM_RR_RELEASE := {
+	msgs := {
+		rrm := {
+			channelRelease := {
+				cellSelectionIndicator := {
+					elementIdentifier := '77'O,
+					lengthIndicator := ?,
+					cellSelectionIndicatorValue := ?
+				}
+			}
+		}
+	}
+}
 
 template PDU_ML3_MS_NW ts_ML3_MO := {
 	discriminator := '0000'B,