diff --git a/clairmeta/dcp_check_execution.py b/clairmeta/dcp_check_execution.py
index 16c8bd9..a3c98e0 100644
--- a/clairmeta/dcp_check_execution.py
+++ b/clairmeta/dcp_check_execution.py
@@ -79,7 +79,7 @@ def __init__(self, func):
 
     def short_desc(self):
         """Returns first line of the docstring or function name."""
-        docstring_lines = self.doc.split("\n")
+        docstring_lines = self.doc.split("\n") if self.doc else ""
         return docstring_lines[0].strip() if docstring_lines else self.name
 
     def is_valid(self, criticality="ERROR"):
diff --git a/clairmeta/dcp_check_global.py b/clairmeta/dcp_check_global.py
index 4751247..0e26412 100644
--- a/clairmeta/dcp_check_global.py
+++ b/clairmeta/dcp_check_global.py
@@ -7,7 +7,6 @@
 
 from clairmeta.dcp_utils import list_cpl_assets, cpl_probe_asset
 from clairmeta.dcp_check import CheckerBase
-from clairmeta.utils.sys import all_keys_in_dict
 
 
 class Checker(CheckerBase):
@@ -99,25 +98,29 @@ def setup_dcp_link_ov(self):
                 )
 
     def check_dcp_signed(self):
-        """DCP with encrypted content must be digitally signed.
+        """Encrypted DCP must be digitally signed (XMLs include Signer and Signature).
 
         References:
             DCI DCSS (v1.3) 5.4.3.7
             DCI DCSS (v1.3) 5.5.2.3
         """
         for cpl in self.dcp._list_cpl:
+            cpl_name = cpl["FileName"]
             cpl_node = cpl["Info"]["CompositionPlaylist"]
+            if not cpl_node["Encrypted"]:
+                continue
+
             xmls = [
-                pkl["Info"]["PackingList"]
+                (pkl["FileName"], pkl["Info"]["PackingList"])
                 for pkl in self.dcp._list_pkl
                 if pkl["Info"]["PackingList"]["Id"] == cpl_node.get("PKLId")
             ]
-            xmls.append(cpl_node)
+            xmls.append((cpl_name, cpl_node))
 
-            for xml in xmls:
-                signed = all_keys_in_dict(xml, ["Signer", "Signature"])
-                if not signed and cpl_node["Encrypted"] is True:
-                    self.error("Encrypted DCP must be signed")
+            for name, xml in xmls:
+                for field in ["Signer", "Signature"]:
+                    if field not in xml.keys():
+                        self.error("Missing {} element in {}".format(field, name))
 
     def check_link_ov_coherence(self):
         """Relink OV/VF sanity checks.
diff --git a/clairmeta/profile.py b/clairmeta/profile.py
index ed76901..054920d 100644
--- a/clairmeta/profile.py
+++ b/clairmeta/profile.py
@@ -17,7 +17,7 @@
     # 4 levels : ERROR, WARNING, INFO and SILENT.
     "criticality": {
         "default": "ERROR",
-        "check_dcnc_": "WARNING",
+        "check_dcnc_": "INFO",
         "check_dcp_foreign_files": "WARNING",
         "check_assets_am_volindex_one": "WARNING",
         "check_*_empty_text_fields": "WARNING",
diff --git a/clairmeta/report.py b/clairmeta/report.py
index fd49977..ce79c83 100644
--- a/clairmeta/report.py
+++ b/clairmeta/report.py
@@ -12,7 +12,15 @@
 class CheckReport(object):
     """Check report listing all checks executions."""
 
-    pretty_status = {
+    ORDERED_STATUS = [
+        "ERROR",
+        "WARNING",
+        "INFO",
+        "SILENT",
+        "BYPASS",
+    ]
+
+    PRETTY_STATUS = {
         "ERROR": "Error(s)",
         "WARNING": "Warning(s)",
         "INFO": "Info(s)",
@@ -109,20 +117,20 @@ def nested_dict():
         # Ignore silenced checks
         status_map.pop("SILENT", None)
 
-        for status, vals in six.iteritems(status_map):
+        for status in self.ORDERED_STATUS:
             out_stack = []
-            for k, v in six.iteritems(vals):
+            for k, v in six.iteritems(status_map[status]):
                 out_stack += [self._dump_stack("", k, v, indent_level=0)]
             if out_stack:
                 report += "{}\n{}\n".format(
-                    self.pretty_status[status] + ":", "\n".join(out_stack)
+                    self.PRETTY_STATUS[status] + ":", "\n".join(out_stack)
                 )
 
         bypassed = "\n".join(
             set(["  . " + c.short_desc() for c in self.checks_bypassed()])
         )
         if bypassed:
-            report += "{}\n{}\n".format(self.pretty_status["BYPASS"] + ":", bypassed)
+            report += "{}\n{}\n".format(self.PRETTY_STATUS["BYPASS"] + ":", bypassed)
 
         return report
 
diff --git a/tests/test_dcp_check.py b/tests/test_dcp_check.py
index 129a700..789e858 100644
--- a/tests/test_dcp_check.py
+++ b/tests/test_dcp_check.py
@@ -181,7 +181,8 @@ def test_report_checks(self):
         self.report.errors_by_criticality("ERROR")
         self.assertEqual(3, len(self.report.checks_failed()))
         self.assertEqual(1, len(self.report.errors_by_criticality("ERROR")))
-        self.assertEqual(2, len(self.report.errors_by_criticality("WARNING")))
+        self.assertEqual(1, len(self.report.errors_by_criticality("WARNING")))
+        self.assertEqual(1, len(self.report.errors_by_criticality("INFO")))
 
         check = self.report.checks_by_criticality("ERROR")[0]
         self.assertEqual(check.name, "check_picture_cpl_max_bitrate")