diff --git a/NEWS.md b/NEWS.md
index 9651aed8c..6af146747 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,4 +1,28 @@
-## v28.0.0 In progress
+## v28.1.0 YYYY-mm-DD
+### Breaking changes
+* Description ([ISSUE](https://folio-org.atlassian.net/browse/ISSUE))
+
+### New APIs versions
+* Provides `API_NAME vX.Y`
+* Requires `API_NAME vX.Y`
+
+### Features
+* Modify endpoint for bulk instances upsert with publish events flag ([MODINVSTOR-1283](https://folio-org.atlassian.net/browse/MODINVSTOR-1283))
+
+### Bug fixes
+* Description ([ISSUE](https://folio-org.atlassian.net/browse/ISSUE))
+
+### Tech Dept
+* Description ([ISSUE](https://folio-org.atlassian.net/browse/ISSUE))
+
+### Dependencies
+* Bump `LIB_NAME` from `OLD_VERSION` to `NEW_VERSION`
+* Add `LIB_NAME VERSION`
+* Remove `LIB_NAME`
+
+---
+
+## v28.0.0 2024-11-01
 ### Breaking changes
 * Migrate "publicationPeriod" data to the Dates object and remove it from the Instance schema ([MODINVSTOR-1232](https://folio-org.atlassian.net/browse/MODINVSTOR-1232))
 * Delete deprecated `shelf-locations` API ([MODINVSTOR-1183](https://folio-org.atlassian.net/browse/MODINVSTOR-1183))
diff --git a/ramls/bulkUpsertRequest.json b/ramls/bulkUpsertRequest.json
index d119356db..9d4d8cd46 100644
--- a/ramls/bulkUpsertRequest.json
+++ b/ramls/bulkUpsertRequest.json
@@ -7,6 +7,11 @@
     "recordsFileName": {
       "description": "File name of entities records",
       "type": "string"
+    },
+    "publishEvents": {
+      "description": "A flag that indicates whether domain events should be published.",
+      "type": "boolean",
+      "default": true
     }
   },
   "required": [
diff --git a/src/main/java/org/folio/rest/impl/InstanceBatchSyncApi.java b/src/main/java/org/folio/rest/impl/InstanceBatchSyncApi.java
index f2fa3aadb..d03bf5117 100644
--- a/src/main/java/org/folio/rest/impl/InstanceBatchSyncApi.java
+++ b/src/main/java/org/folio/rest/impl/InstanceBatchSyncApi.java
@@ -25,7 +25,7 @@ public void postInstanceStorageBatchSynchronous(boolean upsert, InstancesPost en
     var instances = ObjectConverterUtils.convertObject(entity, Instances.class);
 
     new InstanceService(vertxContext, okapiHeaders)
-      .createInstances(instances.getInstances(), upsert, true)
+      .createInstances(instances.getInstances(), upsert, true, true)
       .otherwise(cause -> respond500WithTextPlain(cause.getMessage()))
       .onComplete(asyncResultHandler);
   }
diff --git a/src/main/java/org/folio/rest/impl/InstanceBatchSyncUnsafeApi.java b/src/main/java/org/folio/rest/impl/InstanceBatchSyncUnsafeApi.java
index 5ce994149..fcfde1e77 100644
--- a/src/main/java/org/folio/rest/impl/InstanceBatchSyncUnsafeApi.java
+++ b/src/main/java/org/folio/rest/impl/InstanceBatchSyncUnsafeApi.java
@@ -24,7 +24,7 @@ public void postInstanceStorageBatchSynchronousUnsafe(InstancesPost entity, Map<
     var instances = ObjectConverterUtils.convertObject(entity, Instances.class);
 
     new InstanceService(vertxContext, okapiHeaders)
-      .createInstances(instances.getInstances(), true, false)
+      .createInstances(instances.getInstances(), true, false, true)
       .otherwise(cause -> respond500WithTextPlain(cause.getMessage()))
       .onComplete(asyncResultHandler);
   }
diff --git a/src/main/java/org/folio/services/BulkProcessingContext.java b/src/main/java/org/folio/services/BulkProcessingContext.java
index 24f6584a8..d1e9b2246 100644
--- a/src/main/java/org/folio/services/BulkProcessingContext.java
+++ b/src/main/java/org/folio/services/BulkProcessingContext.java
@@ -1,6 +1,7 @@
 package org.folio.services;
 
 import org.apache.commons.lang3.StringUtils;
+import org.folio.rest.jaxrs.model.BulkUpsertRequest;
 
 /**
  * Encapsulates the context for bulk processing of entities from external file.
@@ -17,13 +18,15 @@ public class BulkProcessingContext {
   private final String errorsFilePath;
   private final String errorEntitiesFileLocalPath;
   private final String errorsFileLocalPath;
+  private final boolean publishEvents;
 
-  public BulkProcessingContext(String entitiesFilePath) {
-    this.initialFilePath = StringUtils.removeStart(entitiesFilePath, '/');
+  public BulkProcessingContext(BulkUpsertRequest request) {
+    this.initialFilePath = StringUtils.removeStart(request.getRecordsFileName(), '/');
     this.errorEntitiesFilePath = initialFilePath + FAILED_ENTITIES_FILE_SUFFIX;
     this.errorsFilePath = initialFilePath + ERRORS_FILE_SUFFIX;
     this.errorEntitiesFileLocalPath = ROOT_FOLDER + errorEntitiesFilePath;
     this.errorsFileLocalPath = ROOT_FOLDER + errorsFilePath;
+    this.publishEvents = request.getPublishEvents();
   }
 
   public String getErrorEntitiesFilePath() {
@@ -42,4 +45,7 @@ public String getErrorsFileLocalPath() {
     return errorsFileLocalPath;
   }
 
+  public boolean isPublishEvents() {
+    return publishEvents;
+  }
 }
diff --git a/src/main/java/org/folio/services/batch/BatchOperationContext.java b/src/main/java/org/folio/services/batch/BatchOperationContext.java
index 6e01db3fb..7a9f4fa6e 100644
--- a/src/main/java/org/folio/services/batch/BatchOperationContext.java
+++ b/src/main/java/org/folio/services/batch/BatchOperationContext.java
@@ -11,9 +11,12 @@ public final class BatchOperationContext<T> {
    */
   private final Collection<T> existingRecords;
 
-  public BatchOperationContext(Collection<T> recordsToBeCreated, Collection<T> existingRecords) {
+  private final boolean publishEvents;
+
+  public BatchOperationContext(Collection<T> recordsToBeCreated, Collection<T> existingRecords, boolean publishEvents) {
     this.recordsToBeCreated = unmodifiableCollection(recordsToBeCreated);
     this.existingRecords = unmodifiableCollection(existingRecords);
+    this.publishEvents = publishEvents;
   }
 
   public Collection<T> getRecordsToBeCreated() {
@@ -23,4 +26,8 @@ public Collection<T> getRecordsToBeCreated() {
   public Collection<T> getExistingRecords() {
     return existingRecords;
   }
+
+  public boolean isPublishEvents() {
+    return publishEvents;
+  }
 }
diff --git a/src/main/java/org/folio/services/batch/BatchOperationContextFactory.java b/src/main/java/org/folio/services/batch/BatchOperationContextFactory.java
index 8d4a30616..786528ba2 100644
--- a/src/main/java/org/folio/services/batch/BatchOperationContextFactory.java
+++ b/src/main/java/org/folio/services/batch/BatchOperationContextFactory.java
@@ -12,11 +12,13 @@
 public final class BatchOperationContextFactory {
   private BatchOperationContextFactory() { }
 
-  public static <T> Future<BatchOperationContext<T>> buildBatchOperationContext(
-    boolean upsert, List<T> all, AbstractRepository<T> repository, Function<T, String> idGetter) {
+  public static <T> Future<BatchOperationContext<T>> buildBatchOperationContext(boolean upsert, List<T> all,
+                                                                                AbstractRepository<T> repository,
+                                                                                Function<T, String> idGetter,
+                                                                                boolean publishEvents) {
 
     if (!upsert) {
-      return succeededFuture(new BatchOperationContext<>(all, emptyList()));
+      return succeededFuture(new BatchOperationContext<>(all, emptyList(), publishEvents));
     }
 
     return repository.getById(all, idGetter).map(found -> {
@@ -24,7 +26,7 @@ public static <T> Future<BatchOperationContext<T>> buildBatchOperationContext(
         .filter(entity -> !found.containsKey(idGetter.apply(entity)))
         .collect(toList());
 
-      return new BatchOperationContext<>(toBeCreated, found.values());
+      return new BatchOperationContext<>(toBeCreated, found.values(), publishEvents);
     });
   }
 }
diff --git a/src/main/java/org/folio/services/bulkprocessing/AbstractEntityS3Service.java b/src/main/java/org/folio/services/bulkprocessing/AbstractEntityS3Service.java
index 8690ef55f..742280d96 100644
--- a/src/main/java/org/folio/services/bulkprocessing/AbstractEntityS3Service.java
+++ b/src/main/java/org/folio/services/bulkprocessing/AbstractEntityS3Service.java
@@ -77,9 +77,9 @@ private Future<List<T>> loadEntities(BulkUpsertRequest bulkRequest) {
   }
 
   private Future<BulkUpsertResponse> upsertEntities(List<T> entities, BulkUpsertRequest bulkRequest) {
-    BulkProcessingContext bulkProcessingContext = new BulkProcessingContext(bulkRequest.getRecordsFileName());
+    BulkProcessingContext bulkProcessingContext = new BulkProcessingContext(bulkRequest);
 
-    return upsert(entities)
+    return upsert(entities, bulkProcessingContext.isPublishEvents())
       .map(v -> new BulkUpsertResponse().withErrorsNumber(0))
       .recover(e -> processSequentially(entities, bulkProcessingContext));
   }
@@ -89,7 +89,7 @@ private Future<BulkUpsertResponse> processSequentially(List<T> entities, BulkPro
     BulkProcessingErrorFileWriter errorsWriter = new BulkProcessingErrorFileWriter(vertx, bulkContext);
 
     return errorsWriter.initialize()
-      .compose(v -> processInBatches(entities, entity -> upsert(List.of(entity))
+      .compose(v -> processInBatches(entities, entity -> upsert(List.of(entity), bulkContext.isPublishEvents())
         .recover(e -> handleUpsertFailure(errorsCounter, errorsWriter, entity, e))))
       .eventually(errorsWriter::close)
       .eventually(() -> uploadErrorsFiles(bulkContext))
@@ -166,10 +166,11 @@ private Future<Void> uploadErrorsFiles(BulkProcessingContext bulkContext) {
    * Performs an upsert operation on specified list of {@code entities}.
    * The implementation of the upsert operation depends on the specifics of the {@code <T>} type of entity.
    *
-   * @param entities - a list of entities to be updated or created
+   * @param entities      - a list of entities to be updated or created
+   * @param publishEvents - a flag that indicates whether domain events should be published
    * @return Future of Void, succeeded if the upsert operation is successful, otherwise failed
    */
-  protected abstract Future<Void> upsert(List<T> entities);
+  protected abstract Future<Void> upsert(List<T> entities, boolean publishEvents);
 
   /**
    * Provides a representation of the given {@code entity} to be written to error file containing entities
diff --git a/src/main/java/org/folio/services/bulkprocessing/InstanceS3Service.java b/src/main/java/org/folio/services/bulkprocessing/InstanceS3Service.java
index 211ab80bb..1d1d7ebe6 100644
--- a/src/main/java/org/folio/services/bulkprocessing/InstanceS3Service.java
+++ b/src/main/java/org/folio/services/bulkprocessing/InstanceS3Service.java
@@ -99,10 +99,10 @@ protected Future<Void> ensureEntitiesWithNonMarcControlledFieldsData(List<Instan
   }
 
   @Override
-  protected Future<Void> upsert(List<InstanceWrapper> instanceWrappers) {
+  protected Future<Void> upsert(List<InstanceWrapper> instanceWrappers, boolean publishEvents) {
     List<Instance> instances = instanceWrappers.stream().map(InstanceWrapper::instance).toList();
 
-    return instanceService.createInstances(instances, APPLY_UPSERT, APPLY_OPTIMISTIC_LOCKING)
+    return instanceService.createInstances(instances, APPLY_UPSERT, APPLY_OPTIMISTIC_LOCKING, publishEvents)
       .compose(response -> {
         if (!isCreateSuccessResponse(response)) {
           String msg = String.format("Failed to update instances, status: '%s', message: '%s'",
diff --git a/src/main/java/org/folio/services/domainevent/AbstractDomainEventPublisher.java b/src/main/java/org/folio/services/domainevent/AbstractDomainEventPublisher.java
index 0e38c0c16..027f11400 100644
--- a/src/main/java/org/folio/services/domainevent/AbstractDomainEventPublisher.java
+++ b/src/main/java/org/folio/services/domainevent/AbstractDomainEventPublisher.java
@@ -67,8 +67,10 @@ public Handler<Response> publishCreatedOrUpdated(BatchOperationContext<D> batchO
       log.info("Records created {}, records updated {}", batchOperation.getRecordsToBeCreated().size(),
         batchOperation.getExistingRecords().size());
 
-      publishRecordsCreated(batchOperation.getRecordsToBeCreated()).compose(
-        notUsed -> publishUpdated(batchOperation.getExistingRecords()));
+      if (batchOperation.isPublishEvents()) {
+        publishRecordsCreated(batchOperation.getRecordsToBeCreated()).compose(
+          notUsed -> publishUpdated(batchOperation.getExistingRecords()));
+      }
     };
   }
 
diff --git a/src/main/java/org/folio/services/holding/HoldingsService.java b/src/main/java/org/folio/services/holding/HoldingsService.java
index fe718c970..b691084a5 100644
--- a/src/main/java/org/folio/services/holding/HoldingsService.java
+++ b/src/main/java/org/folio/services/holding/HoldingsService.java
@@ -168,7 +168,7 @@ public Future<Response> createHoldings(List<HoldingsRecord> holdings, boolean up
       .compose(ar -> hridManager.populateHridForHoldings(holdings)
         .compose(NotesValidators::refuseHoldingLongNotes)
         .compose(result -> buildBatchOperationContext(upsert, holdings,
-          holdingsRepository, HoldingsRecord::getId))
+          holdingsRepository, HoldingsRecord::getId, true))
         .compose(batchOperation -> postSync(HOLDINGS_RECORD_TABLE, holdings, MAX_ENTITIES,
           upsert, optimisticLocking, okapiHeaders, vertxContext, PostHoldingsStorageBatchSynchronousResponse.class)
           .onSuccess(domainEventPublisher.publishCreatedOrUpdated(batchOperation))))
diff --git a/src/main/java/org/folio/services/instance/InstanceService.java b/src/main/java/org/folio/services/instance/InstanceService.java
index 99954c95d..96a3ada2f 100644
--- a/src/main/java/org/folio/services/instance/InstanceService.java
+++ b/src/main/java/org/folio/services/instance/InstanceService.java
@@ -120,14 +120,15 @@ public Future<Response> createInstance(Instance entity) {
       .map(ResponseHandlerUtil::handleHridError);
   }
 
-  public Future<Response> createInstances(List<Instance> instances, boolean upsert, boolean optimisticLocking) {
+  public Future<Response> createInstances(List<Instance> instances, boolean upsert, boolean optimisticLocking,
+                                          boolean publishEvents) {
     final String statusUpdatedDate = generateStatusUpdatedDate();
     instances.forEach(instance -> instance.setStatusUpdatedDate(statusUpdatedDate));
 
     return hridManager.populateHridForInstances(instances)
       .compose(NotesValidators::refuseInstanceLongNotes)
       .compose(notUsed -> buildBatchOperationContext(upsert, instances,
-        instanceRepository, Instance::getId))
+        instanceRepository, Instance::getId, publishEvents))
       .compose(batchOperation ->
         // Can use instances list here directly because the class is stateful
         postSync(INSTANCE_TABLE, instances, MAX_ENTITIES, upsert, optimisticLocking, okapiHeaders,
diff --git a/src/main/java/org/folio/services/item/ItemService.java b/src/main/java/org/folio/services/item/ItemService.java
index d6ac207ee..a9a191487 100644
--- a/src/main/java/org/folio/services/item/ItemService.java
+++ b/src/main/java/org/folio/services/item/ItemService.java
@@ -144,7 +144,7 @@ public Future<Response> createItems(List<Item> items, boolean upsert, boolean op
       .compose(NotesValidators::refuseItemLongNotes)
       .compose(result -> effectiveValuesService.populateEffectiveValues(items))
       .compose(this::populateCirculationNoteId)
-      .compose(result -> buildBatchOperationContext(upsert, items, itemRepository, Item::getId))
+      .compose(result -> buildBatchOperationContext(upsert, items, itemRepository, Item::getId, true))
       .compose(batchOperation -> postSync(ITEM_TABLE, items, MAX_ENTITIES, upsert, optimisticLocking,
         okapiHeaders, vertxContext, PostItemStorageBatchSynchronousResponse.class)
         .onSuccess(domainEventService.publishCreatedOrUpdated(batchOperation)))
diff --git a/src/test/java/org/folio/rest/api/InstanceStorageInstancesBulkApiTest.java b/src/test/java/org/folio/rest/api/InstanceStorageInstancesBulkApiTest.java
index 0a8ef90fd..6643dc47e 100644
--- a/src/test/java/org/folio/rest/api/InstanceStorageInstancesBulkApiTest.java
+++ b/src/test/java/org/folio/rest/api/InstanceStorageInstancesBulkApiTest.java
@@ -22,7 +22,7 @@
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.containsInAnyOrder;
 import static org.hamcrest.Matchers.equalTo;
-import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.Assert.assertEquals;
 import static org.testcontainers.containers.localstack.LocalStackContainer.Service.S3;
 
 import io.vertx.core.json.Json;
@@ -77,6 +77,69 @@ public class InstanceStorageInstancesBulkApiTest extends TestBaseWithInventoryUt
 
   private final InstanceEventMessageChecks instanceMessageChecks = new InstanceEventMessageChecks(KAFKA_CONSUMER);
 
+  @Before
+  public void setUp() {
+    StorageTestSuite.deleteAll(TENANT_ID, PRECEDING_SUCCEEDING_TITLE_TABLE);
+    clearData();
+    removeAllEvents();
+  }
+
+  @Test
+  public void shouldUpdateInstancesWithoutErrors()
+    throws ExecutionException, InterruptedException, TimeoutException, IOException {
+    shouldUpdateInstances(true);
+  }
+
+  @Test
+  public void shouldUpdateInstancesWithoutErrorsAndDoNotPublishDomainEvents()
+    throws ExecutionException, InterruptedException, TimeoutException, IOException {
+    shouldUpdateInstances(false);
+  }
+
+  @Test
+  public void shouldUpdateInstancesWithErrors()
+    throws ExecutionException, InterruptedException, TimeoutException, IOException {
+    // given
+    String expectedErrorRecordsFileName = BULK_FILE_TO_UPLOAD + "_failedEntities";
+    String expectedErrorsFileName = BULK_FILE_TO_UPLOAD + "_errors";
+
+    List<String> instancesIds = extractInstancesIdsFromFile(BULK_INSTANCES_WITH_INVALID_TYPE_PATH);
+    FileInputStream inputStream = FileUtils.openInputStream(new File(BULK_INSTANCES_WITH_INVALID_TYPE_PATH));
+    String bulkFilePath = s3Client.write(BULK_FILE_TO_UPLOAD, inputStream);
+
+    final IndividualResource existingInstance1 = createInstance(buildInstance(instancesIds.get(0), INSTANCE_TITLE_1));
+    final IndividualResource existingInstance2 = createInstance(buildInstance(instancesIds.get(1), INSTANCE_TITLE_2));
+
+    // when
+    BulkUpsertResponse bulkResponse = postInstancesBulk(new BulkUpsertRequest()
+      .withRecordsFileName(bulkFilePath)
+    );
+
+    // then
+    assertThat(bulkResponse.getErrorsNumber(), is(1));
+    assertThat(bulkResponse.getErrorRecordsFileName(), is(expectedErrorRecordsFileName));
+    assertThat(bulkResponse.getErrorsFileName(), is(expectedErrorsFileName));
+
+    List<String> filesList = s3Client.list(BULK_FILE_TO_UPLOAD);
+    assertThat(filesList.size(), is(3));
+    assertThat(filesList, containsInAnyOrder(bulkFilePath, expectedErrorRecordsFileName, expectedErrorsFileName));
+    List<String> errors = readLinesFromInputStream(s3Client.read(expectedErrorsFileName));
+    assertThat(errors.size(), is(1));
+
+    JsonObject updatedInstance1 = getInstanceById(existingInstance1.getId().toString());
+
+    instanceMessageChecks.updatedMessagePublished(existingInstance1.getJson(), updatedInstance1);
+    instanceMessageChecks.noUpdatedMessagePublished(existingInstance2.getId().toString());
+  }
+
+  @Test
+  public void shouldReturnUnprocessableEntityIfRecordsFileNameIsNotSpecified()
+    throws ExecutionException, InterruptedException, TimeoutException {
+    CompletableFuture<Response> future = getClient().post(instancesBulk(), new BulkUpsertRequest(), TENANT_ID);
+    Response response = future.get(10, SECONDS);
+    assertThat(response.getStatusCode(), is(HTTP_UNPROCESSABLE_ENTITY.toInt()));
+  }
+
   @BeforeClass
   public static void setUpClass() {
     localStackContainer = new LocalStackContainer(DockerImageName.parse("localstack/localstack:s3-latest"))
@@ -104,21 +167,13 @@ public static void setUpClass() {
     s3Client.createBucketIfNotExists();
   }
 
-  @Before
-  public void setUp() {
-    StorageTestSuite.deleteAll(TENANT_ID, PRECEDING_SUCCEEDING_TITLE_TABLE);
-    clearData();
-    removeAllEvents();
-  }
-
   @AfterClass
   public static void tearDownClass() {
     localStackContainer.close();
   }
 
-  @Test
-  public void shouldUpdateInstancesWithoutErrors()
-    throws ExecutionException, InterruptedException, TimeoutException, IOException {
+  private void shouldUpdateInstances(boolean publishEvents)
+    throws IOException, InterruptedException, ExecutionException, TimeoutException {
     // given
     List<String> instancesIds = extractInstancesIdsFromFile(BULK_INSTANCES_PATH);
     FileInputStream inputStream = FileUtils.openInputStream(new File(BULK_INSTANCES_PATH));
@@ -135,7 +190,10 @@ public void shouldUpdateInstancesWithoutErrors()
     precedingSucceedingTitleClient.create(precedingSucceedingTitle2.getJson());
 
     // when
-    BulkUpsertResponse bulkResponse = postInstancesBulk(new BulkUpsertRequest().withRecordsFileName(bulkFilePath));
+    BulkUpsertResponse bulkResponse = postInstancesBulk(new BulkUpsertRequest()
+      .withRecordsFileName(bulkFilePath)
+      .withPublishEvents(publishEvents)
+    );
 
     // then
     assertThat(bulkResponse.getErrorsNumber(), is(0));
@@ -154,49 +212,13 @@ public void shouldUpdateInstancesWithoutErrors()
       assertThat(titleJson.getString("title"), notNullValue());
     });
 
-    instanceMessageChecks.updatedMessagePublished(existingInstance1.getJson(), updatedInstance1);
-    instanceMessageChecks.updatedMessagePublished(existingInstance2.getJson(), updatedInstance2);
-  }
-
-  @Test
-  public void shouldUpdateInstancesWithErrors()
-    throws ExecutionException, InterruptedException, TimeoutException, IOException {
-    // given
-    String expectedErrorRecordsFileName = BULK_FILE_TO_UPLOAD + "_failedEntities";
-    String expectedErrorsFileName = BULK_FILE_TO_UPLOAD + "_errors";
-
-    List<String> instancesIds = extractInstancesIdsFromFile(BULK_INSTANCES_WITH_INVALID_TYPE_PATH);
-    FileInputStream inputStream = FileUtils.openInputStream(new File(BULK_INSTANCES_WITH_INVALID_TYPE_PATH));
-    String bulkFilePath = s3Client.write(BULK_FILE_TO_UPLOAD, inputStream);
-
-    final IndividualResource existingInstance1 = createInstance(buildInstance(instancesIds.get(0), INSTANCE_TITLE_1));
-    final IndividualResource existingInstance2 = createInstance(buildInstance(instancesIds.get(1), INSTANCE_TITLE_2));
-
-    // when
-    BulkUpsertResponse bulkResponse = postInstancesBulk(new BulkUpsertRequest().withRecordsFileName(bulkFilePath));
-
-    // then
-    assertThat(bulkResponse.getErrorsNumber(), is(1));
-    assertThat(bulkResponse.getErrorRecordsFileName(), is(expectedErrorRecordsFileName));
-    assertThat(bulkResponse.getErrorsFileName(), is(expectedErrorsFileName));
-
-    List<String> filesList = s3Client.list(BULK_FILE_TO_UPLOAD);
-    assertThat(filesList.size(), is(3));
-    assertThat(filesList, containsInAnyOrder(bulkFilePath, expectedErrorRecordsFileName, expectedErrorsFileName));
-    List<String> errors = readLinesFromInputStream(s3Client.read(expectedErrorsFileName));
-    assertThat(errors.size(), is(1));
-
-    JsonObject updatedInstance1 = getInstanceById(existingInstance1.getId().toString());
-    instanceMessageChecks.updatedMessagePublished(existingInstance1.getJson(), updatedInstance1);
-    instanceMessageChecks.noUpdatedMessagePublished(existingInstance2.getId().toString());
-  }
-
-  @Test
-  public void shouldReturnUnprocessableEntityIfRecordsFileNameIsNotSpecified()
-    throws ExecutionException, InterruptedException, TimeoutException {
-    CompletableFuture<Response> future = getClient().post(instancesBulk(), new BulkUpsertRequest(), TENANT_ID);
-    Response response = future.get(10, SECONDS);
-    assertThat(response.getStatusCode(), is(HTTP_UNPROCESSABLE_ENTITY.toInt()));
+    if (publishEvents) {
+      instanceMessageChecks.updatedMessagePublished(existingInstance1.getJson(), updatedInstance1);
+      instanceMessageChecks.updatedMessagePublished(existingInstance2.getJson(), updatedInstance2);
+    } else {
+      instanceMessageChecks.noUpdatedMessagePublished(existingInstance1.getId().toString());
+      instanceMessageChecks.noUpdatedMessagePublished(existingInstance2.getId().toString());
+    }
   }
 
   private List<String> extractInstancesIdsFromFile(String bulkInstancesFilePath) throws IOException {
diff --git a/src/test/java/org/folio/rest/support/BulkProcessingErrorFileWriterTest.java b/src/test/java/org/folio/rest/support/BulkProcessingErrorFileWriterTest.java
index 15aada34e..e40578818 100644
--- a/src/test/java/org/folio/rest/support/BulkProcessingErrorFileWriterTest.java
+++ b/src/test/java/org/folio/rest/support/BulkProcessingErrorFileWriterTest.java
@@ -15,6 +15,7 @@
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeoutException;
 import org.apache.commons.io.FileUtils;
+import org.folio.rest.jaxrs.model.BulkUpsertRequest;
 import org.folio.rest.jaxrs.model.Instance;
 import org.folio.services.BulkProcessingContext;
 import org.junit.After;
@@ -34,7 +35,8 @@ public class BulkProcessingErrorFileWriterTest {
 
   @Before
   public void setUp() {
-    bulkContext = new BulkProcessingContext(BULK_INSTANCES_FILE_PATH);
+    var request = new BulkUpsertRequest().withRecordsFileName(BULK_INSTANCES_FILE_PATH);
+    bulkContext = new BulkProcessingContext(request);
     writer = new BulkProcessingErrorFileWriter(vertx, bulkContext);
   }
 
diff --git a/src/test/java/org/folio/services/BulkProcessingContextTest.java b/src/test/java/org/folio/services/BulkProcessingContextTest.java
index 0500d9ec1..63f23b527 100644
--- a/src/test/java/org/folio/services/BulkProcessingContextTest.java
+++ b/src/test/java/org/folio/services/BulkProcessingContextTest.java
@@ -2,6 +2,7 @@
 
 import static org.junit.Assert.assertEquals;
 
+import org.folio.rest.jaxrs.model.BulkUpsertRequest;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
@@ -13,7 +14,8 @@ public class BulkProcessingContextTest {
 
   @Test
   public void shouldReturnFilesPaths() {
-    BulkProcessingContext context = new BulkProcessingContext(BULK_INSTANCES_FILE_PATH);
+    var request = new BulkUpsertRequest().withRecordsFileName(BULK_INSTANCES_FILE_PATH);
+    var context = new BulkProcessingContext(request);
 
     assertEquals("parent-folder/bulkInstances_failedEntities", context.getErrorEntitiesFilePath());
     assertEquals("parent-folder/bulkInstances_errors", context.getErrorsFilePath());