diff --git a/redaction-report-service-v1/redaction-report-service-server-v1/src/main/java/com/iqser/red/service/redaction/report/v1/server/service/RSSPoc2Service.java b/redaction-report-service-v1/redaction-report-service-server-v1/src/main/java/com/iqser/red/service/redaction/report/v1/server/service/RSSPoc2Service.java
index bbd3814..146adb7 100644
--- a/redaction-report-service-v1/redaction-report-service-server-v1/src/main/java/com/iqser/red/service/redaction/report/v1/server/service/RSSPoc2Service.java
+++ b/redaction-report-service-v1/redaction-report-service-server-v1/src/main/java/com/iqser/red/service/redaction/report/v1/server/service/RSSPoc2Service.java
@@ -145,7 +145,7 @@ public class RSSPoc2Service {
             resultMap.put(EXPERIMENTAL_STARTING_DATE, getExperimentalStartDate(redactionLog));
             resultMap.put(EXPERIMENTAL_COMPLETION_DATE, getExperimentalEndDate(redactionLog));
             resultMap.put(GLP_STUDY, getGlpStudy(redactionLog));
-            resultMap.put(CERTIFICATE_OF_ANALYSIS_BATCH_IDENTIFICATION, getBatchNumber(redactionLog));
+            resultMap.put(CERTIFICATE_OF_ANALYSIS_BATCH_IDENTIFICATION, getJoinedUniqueValues(redactionLog, "batch_number", ", "));
             resultMap.put(TEST_GUIDELINE_1, getTestGuideline1(redactionLog));
             var testGuideline2 = getTestGuideline2(redactionLog);
             resultMap.put(TEST_GUIDELINE_2, testGuideline2 == null ? "" : testGuideline2);
@@ -788,14 +788,6 @@ public class RSSPoc2Service {
     }
 
 
-    private String getBatchNumber(RedactionLog redactionLog) {
-
-        var batchNumber = redactionLog.getRedactionLogEntry().stream().filter(r -> r.getType().equals("batch_number")).map(RedactionLogEntry::getValue).findFirst();
-
-        return batchNumber.orElse("");
-    }
-
-
     private String getGlpStudy(RedactionLog redactionLog) {
 
         var glpStudy = redactionLog.getRedactionLogEntry().stream().filter(r -> r.getType().equals("glp_study")).map(RedactionLogEntry::getValue).findFirst();