diff --git a/org.hl7.fhir.convertors/src/main/java/org/hl7/fhir/convertors/misc/utg/UTGCaseSensitivePopulator.java b/org.hl7.fhir.convertors/src/main/java/org/hl7/fhir/convertors/misc/utg/UTGCaseSensitivePopulator.java
new file mode 100644
index 000000000..b7284759f
--- /dev/null
+++ b/org.hl7.fhir.convertors/src/main/java/org/hl7/fhir/convertors/misc/utg/UTGCaseSensitivePopulator.java
@@ -0,0 +1,105 @@
+package org.hl7.fhir.convertors.misc.utg;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.time.LocalDate;
+import java.time.ZoneId;
+import java.util.Calendar;
+import java.util.Date;
+
+import org.hl7.fhir.exceptions.FHIRFormatError;
+import org.hl7.fhir.r4.formats.IParser;
+import org.hl7.fhir.r4.formats.IParser.OutputStyle;
+import org.hl7.fhir.r4.formats.JsonParser;
+import org.hl7.fhir.r4.formats.XmlParser;
+import org.hl7.fhir.r4.model.Bundle;
+import org.hl7.fhir.r4.model.Bundle.BundleType;
+import org.hl7.fhir.r4.model.CodeSystem;
+import org.hl7.fhir.r4.model.CodeSystem.CodeSystemContentMode;
+import org.hl7.fhir.r4.model.Period;
+import org.hl7.fhir.r4.model.Provenance;
+import org.hl7.fhir.r4.model.Provenance.ProvenanceAgentComponent;
+import org.hl7.fhir.r4.model.Resource;
+import org.hl7.fhir.utilities.Utilities;
+
+public class UTGCaseSensitivePopulator {
+
+  public static void main(String[] args) throws FileNotFoundException, IOException {
+    new UTGCaseSensitivePopulator().process(new File(args[0]));
+
+  }
+
+  private void process(File root) throws FileNotFoundException, IOException {
+    Bundle bundle = new Bundle();
+    bundle.setType(BundleType.COLLECTION);
+    bundle.setId("hxutg1-1-0-12");
+    
+    scanFolders(root, bundle);
+    new JsonParser().setOutputStyle(OutputStyle.PRETTY).compose(new FileOutputStream(Utilities.path(root.getAbsolutePath(), "input", "sourceOfTruth", "history", "utgrel1hx-1-0-12.json")), bundle);
+    System.out.println("Done");
+  }
+
+  private void scanFolders(File folder, Bundle bundle) throws FileNotFoundException, IOException {
+    Calendar today = Calendar.getInstance();
+    Date dt = today.getTime();
+    today.set(Calendar.HOUR_OF_DAY, 0);
+    Date d = today.getTime();
+    System.out.println("Scan "+folder.getAbsolutePath());
+        
+    for (File f : folder.listFiles()) {
+      if (f.isDirectory() && !f.getName().equals("retired")) {
+        scanFolders(f, bundle);
+      } else if (f.getName().endsWith(".xml")) {
+        processFile(f, bundle, new XmlParser(), d, dt);
+      } else if (f.getName().endsWith(".json")) {
+        processFile(f, bundle, new JsonParser(), d, dt);
+      }
+    }
+    
+  }
+
+  private void processFile(File f, Bundle bundle, IParser parser, Date d, Date dt) {
+    try {
+      Resource r = parser.parse(new FileInputStream(f));
+      if (r instanceof CodeSystem) {
+        if (processCodeSystem((CodeSystem) r, bundle, d, dt)) {
+          parser.setOutputStyle(OutputStyle.PRETTY).compose(new FileOutputStream(f), r);
+        }
+      }
+    } catch (Exception e) {
+    }
+    
+  }
+
+  private boolean processCodeSystem(CodeSystem cs, Bundle bundle, Date d, Date dt) {
+    if (cs.hasCaseSensitive()) {
+      return false;
+    }
+    if (!cs.getUrl().startsWith("http://terminology.hl7.org") || cs.getContent() == CodeSystemContentMode.NOTPRESENT) {
+      return false;
+    }
+    cs.setCaseSensitive(true);
+    Provenance p = new Provenance();
+    p.setId("cs-286-"+cs.getId());
+    p.addTarget().setReference("CodeSystem/"+cs.getId());
+    p.setOccurred(new Period());
+    p.getOccurredPeriod().setEnd(d);
+    p.setRecorded(dt);
+    p.addReason().setText("Populate Missing caseSensitive property;UP-286").addCoding().setSystem("http://terminology.hl7.org/CodeSystem/v3-ActReason").setCode("METAMGT");
+    p.getActivity().addCoding().setSystem("http://terminology.hl7.org/CodeSystem/v3-DataOperation").setCode("UPDATE");
+    ProvenanceAgentComponent agent = p.addAgent();
+    agent.getType().addCoding().setSystem("http://terminology.hl7.org/CodeSystem/provenance-participant-type").setCode("author");
+    agent.getWho().setDisplay("Grahame Grieve");
+    agent = p.addAgent();
+    agent.getType().addCoding().setSystem("http://terminology.hl7.org/CodeSystem/provenance-participant-type").setCode("custodian");
+    agent.getWho().setDisplay("Vocabulary WG");
+    
+    bundle.addEntry().setFullUrl("http://terminology.hl7.org/fhir/Provenance/cs-286-"+cs.getId()).setResource(p);
+    
+    return true;
+  }
+
+}