diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/context/BaseWorkerContext.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/context/BaseWorkerContext.java
index 705d2e4ce..a997271fe 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/context/BaseWorkerContext.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/context/BaseWorkerContext.java
@@ -1722,6 +1722,7 @@ public abstract class BaseWorkerContext extends I18nBase implements IWorkerConte
       transforms.listAllM(result);
       plans.listAllM(result);
       questionnaires.listAllM(result);
+      systems.listAllM(result);
       return result;
     }
   }
diff --git a/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/ValidationEngine.java b/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/ValidationEngine.java
index 78ba56a04..b9ce471f9 100644
--- a/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/ValidationEngine.java
+++ b/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/ValidationEngine.java
@@ -28,6 +28,8 @@ import org.hl7.fhir.r5.formats.JsonParser;
 import org.hl7.fhir.r5.formats.XmlParser;
 import org.hl7.fhir.r5.model.*;
 import org.hl7.fhir.r5.model.Bundle.BundleEntryComponent;
+import org.hl7.fhir.r5.model.NamingSystem.NamingSystemIdentifierType;
+import org.hl7.fhir.r5.model.NamingSystem.NamingSystemUniqueIdComponent;
 import org.hl7.fhir.r5.renderers.RendererFactory;
 import org.hl7.fhir.r5.renderers.utils.RenderingContext;
 import org.hl7.fhir.r5.renderers.utils.RenderingContext.ResourceRendererMode;
@@ -760,6 +762,13 @@ public class ValidationEngine implements IValidatorResourceFetcher, IPackageInst
     if (Utilities.existsInList(url, "http://loinc.org", "http://unitsofmeasure.org", "http://snomed.info/sct")) {
       return true;
     }
+    for (CanonicalResource cr : context.allConformanceResources()) {
+      if (cr instanceof NamingSystem) {
+        if (hasURL((NamingSystem) cr, url)) {
+          return true;
+        }
+      }
+    }
     if (url.contains("example.org") || url.contains("acme.com")) {
       return false; // todo... how to access settings from here?
     }
@@ -773,6 +782,15 @@ public class ValidationEngine implements IValidatorResourceFetcher, IPackageInst
     return false;
   }
 
+  private boolean hasURL(NamingSystem ns, String url) {
+    for (NamingSystemUniqueIdComponent uid : ns.getUniqueId()) {
+      if (uid.getType() == NamingSystemIdentifierType.URI && uid.hasValue() && uid.getValue().equals(url)) {
+        return true;
+      }
+    }
+    return false;
+  }
+
   @Override
   public CanonicalResource fetchCanonicalResource(IResourceValidator validator, String url) throws URISyntaxException {
     Resource res = context.fetchResource(Resource.class, url);
diff --git a/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/cli/services/ValidationService.java b/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/cli/services/ValidationService.java
index 6f0e22679..c829567bd 100644
--- a/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/cli/services/ValidationService.java
+++ b/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/cli/services/ValidationService.java
@@ -8,6 +8,7 @@ import org.hl7.fhir.r5.formats.IParser;
 import org.hl7.fhir.r5.formats.JsonParser;
 import org.hl7.fhir.r5.formats.XmlParser;
 import org.hl7.fhir.r5.model.*;
+import org.hl7.fhir.r5.model.OperationOutcome.IssueSeverity;
 import org.hl7.fhir.r5.model.StructureDefinition.StructureDefinitionKind;
 import org.hl7.fhir.r5.renderers.spreadsheets.CodeSystemSpreadsheetGenerator;
 import org.hl7.fhir.r5.renderers.spreadsheets.ConceptMapSpreadsheetGenerator;
@@ -315,15 +316,19 @@ public class ValidationService {
     if (issue.hasExpression()) {
       int line = ToolingExtensions.readIntegerExtension(issue, ToolingExtensions.EXT_ISSUE_LINE, -1);
       int col = ToolingExtensions.readIntegerExtension(issue, ToolingExtensions.EXT_ISSUE_COL, -1);
-      loc = issue.getExpression().get(0).asStringValue() + (line >= 0 && col >= 0 ? " (line " + Integer.toString(line) + ", col" + Integer.toString(col) + ")" : "");
+      loc = " @ "+issue.getExpression().get(0).asStringValue() + (line >= 0 && col >= 0 ? " (line " + Integer.toString(line) + ", col" + Integer.toString(col) + ")" : "");
     } else if (issue.hasLocation()) {
-      loc = issue.getLocation().get(0).asStringValue();
+      loc = " @ "+issue.getLocation().get(0).asStringValue();
     } else {
       int line = ToolingExtensions.readIntegerExtension(issue, ToolingExtensions.EXT_ISSUE_LINE, -1);
       int col = ToolingExtensions.readIntegerExtension(issue, ToolingExtensions.EXT_ISSUE_COL, -1);
-      loc = (line >= 0 && col >= 0 ? "line " + Integer.toString(line) + ", col" + Integer.toString(col) : "??");
+      if (issue.getSeverity() == IssueSeverity.INFORMATION && (line == -1 || col == -1)) {
+        loc = "";
+      } else {
+        loc = " @ "+(line >= 0 && col >= 0 ? "line " + Integer.toString(line) + ", col" + Integer.toString(col) : "??");
+      }
     }
-    return "  " + issue.getSeverity().getDisplay() + " @ " + loc + " : " + issue.getDetails().getText();
+    return "  " + issue.getSeverity().getDisplay() + loc + ": " + issue.getDetails().getText();
   }
 
   public String determineVersion(CliContext cliContext) throws Exception {