diff --git a/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/controller/request/BillingPaRequest.java b/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/controller/request/BillingPaRequest.java
index 61303bf5e..c3bf69a1c 100644
--- a/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/controller/request/BillingPaRequest.java
+++ b/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/controller/request/BillingPaRequest.java
@@ -1,6 +1,5 @@
 package it.pagopa.selfcare.onboarding.controller.request;
 
-import jakarta.validation.constraints.NotEmpty;
 import lombok.Data;
 
 @Data
diff --git a/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/model/CsvAggregate.java b/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/model/CsvAggregate.java
index 12f734b72..cf24afa18 100644
--- a/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/model/CsvAggregate.java
+++ b/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/model/CsvAggregate.java
@@ -11,11 +11,11 @@ public class CsvAggregate {
     @CsvBindByPosition(position = 1)
     private String description;
     @CsvBindByPosition(position = 2)
-    private String subunitCode;
+    private String vatNumber;
     @CsvBindByPosition(position = 3)
     private String subunitType;
     @CsvBindByPosition(position = 4)
-    private String geoTaxonomy;
+    private String subunitCode;
     @CsvBindByPosition(position = 5)
     private String address;
     @CsvBindByPosition(position = 6)
diff --git a/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/service/AggregatesServiceDefault.java b/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/service/AggregatesServiceDefault.java
index 292253031..e87b4932e 100644
--- a/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/service/AggregatesServiceDefault.java
+++ b/apps/onboarding-ms/src/main/java/it/pagopa/selfcare/onboarding/service/AggregatesServiceDefault.java
@@ -62,6 +62,9 @@ public class AggregatesServiceDefault implements AggregatesService{
     public static final String ERROR_DESCRIPTION = "La ragione sociale è obbligatoria";
     public static final String ERROR_SUBUNIT_TYPE = "SubunitType non valido";
 
+    public static final String ERROR_AOO_UO = "In caso di AOO/UO è necessario specificare la tipologia e il codice univoco IPA AOO/UO";
+    public static final String ERROR_VATNUMBER = "La partita IVA è obbligatoria";
+
     @Override
     public Uni<VerifyAggregateResponse> validateAggregatesCsv(File file){
         AggregatesCsvResponse aggregatesCsvResponse = readItemsFromCsv(file);
@@ -119,6 +122,11 @@ private Uni<Void> checkRequiredFields(CsvAggregate csvAggregate) {
             return Uni.createFrom().failure(new InvalidRequestException(ERROR_TAXCODE));
         } else if (StringUtils.isEmpty(csvAggregate.getDescription())) {
             return Uni.createFrom().failure(new InvalidRequestException(ERROR_DESCRIPTION));
+        } else if (StringUtils.isEmpty(csvAggregate.getVatNumber())) {
+            return Uni.createFrom().failure(new InvalidRequestException(ERROR_VATNUMBER));
+        } else if ((StringUtils.isEmpty(csvAggregate.getSubunitType()) && StringUtils.isNotEmpty(csvAggregate.getSubunitCode()))
+                || (StringUtils.isNotEmpty(csvAggregate.getSubunitType()) && StringUtils.isEmpty(csvAggregate.getSubunitCode()))) {
+            return Uni.createFrom().failure(new InvalidRequestException(ERROR_AOO_UO));
         }
         return Uni.createFrom().voidItem();
     }
@@ -137,8 +145,10 @@ public AggregatesCsvResponse readItemsFromCsv(File file) {
             String nextLine;
 
             while ((nextLine = bufferedReader.readLine()) != null) {
-                parseLine(nextLine, lineNumber, resultList, errors);
-                lineNumber++;
+                if(!nextLine.startsWith("(*")){
+                    parseLine(nextLine, lineNumber, resultList, errors);
+                    lineNumber++;
+                }
             }
 
             return new AggregatesCsvResponse(resultList, errors);
diff --git a/apps/onboarding-ms/src/test/resources/aggregates.csv b/apps/onboarding-ms/src/test/resources/aggregates.csv
index 617bdb5fb..9cf6bece3 100644
--- a/apps/onboarding-ms/src/test/resources/aggregates.csv
+++ b/apps/onboarding-ms/src/test/resources/aggregates.csv
@@ -1,10 +1,10 @@
 codice fiscale,Ragione Sociale,subunitCode,subunitType,Area Geografica,Sede,Codice IPA
-1437190414;Servizi turistici e culturali;AQ66UML;AOO;;PIAZZA DANTE ALIGHIERI 14;02IKT4NA
-00297110389;SAN LEO 2000 SERVIZI TURISTICI SRL;;;;PIAZZA DANTE ALIGHIERI 14;02IKT4NA
-4551120274;Progetto Tiburtina;KNDJE4;UO;;Via Torino 186;00L7M4KW
-4551120275;;;;;Via Torino 186;00L7M4KW
-;Servizi turistici e culturali;AQ66UML;AOO;;PIAZZA DANTE ALIGHIERI 14;02IKT4NA
+1437190414;Servizi turistici e culturali;123456456;AQ66UML;AOO;;PIAZZA DANTE ALIGHIERI 14;02IKT4NA
+00297110389;SAN LEO 2000 SERVIZI TURISTICI SRL;123456456;;;;PIAZZA DANTE ALIGHIERI 14;02IKT4NA
+4551120274;Progetto Tiburtina;123456456;KNDJE4;UO;;Via Torino 186;00L7M4KW
+4551120275;;;;;;Via Torino 186;00L7M4KW
+;Servizi turistici e culturali;123456456;AQ66UML;AOO;;PIAZZA DANTE ALIGHIERI 14;02IKT4NA
 4551120275;Servizi turistici e culturali;AQ66;AOO;;PIAZZA DANTE ALIGHIERI 14;02IKT4NA
 4551120275;Servizi turistici e culturali;AQ66;UO;;PIAZZA DANTE ALIGHIERI 14;02IKT4NA
-345645;Servizi turistici e culturali;;;;PIAZZA DANTE ALIGHIERI 14;02IKT4NA
-345645;Servizi turistici e culturali;123;AEO;;PIAZZA DANTE ALIGHIERI 14;02IKT4NA
+345645;Servizi turistici e culturali;123456456;;UO;;PIAZZA DANTE ALIGHIERI 14;02IKT4NA
+345645;Servizi turistici e culturali;123456456;123;;;PIAZZA DANTE ALIGHIERI 14;02IKT4NA