diff --git a/ramls/acq-models b/ramls/acq-models
index 72dd1b15a..4aab2ae48 160000
--- a/ramls/acq-models
+++ b/ramls/acq-models
@@ -1 +1 @@
-Subproject commit 72dd1b15ae5b846d61d9ad14bb780ea233e01e38
+Subproject commit 4aab2ae4808333aac379cae40828dacdf0ef986c
diff --git a/src/main/java/org/folio/service/inventory/InventoryManager.java b/src/main/java/org/folio/service/inventory/InventoryManager.java
index 3bb87626a..458662f13 100644
--- a/src/main/java/org/folio/service/inventory/InventoryManager.java
+++ b/src/main/java/org/folio/service/inventory/InventoryManager.java
@@ -1269,14 +1269,27 @@ private Future<List<JsonObject>> fetchHoldingsByFundIds(List<String> holdingIds,
   }
 
   private void updateItemWithPieceFields(Piece piece, JsonObject item) {
-    Optional.ofNullable(piece.getEnumeration())
-      .ifPresentOrElse(enumeration -> item.put(ITEM_ENUMERATION, enumeration), () -> item.remove(ITEM_ENUMERATION));
-    Optional.ofNullable(piece.getCopyNumber())
-      .ifPresentOrElse(copyNumber -> item.put(COPY_NUMBER, copyNumber), () -> item.remove(COPY_NUMBER));
-    Optional.ofNullable(piece.getChronology())
-      .ifPresentOrElse(chronology -> item.put(ITEM_CHRONOLOGY, chronology), () -> item.remove(ITEM_CHRONOLOGY));
-    Optional.ofNullable(piece.getDiscoverySuppress())
-      .ifPresentOrElse(discSup -> item.put(ITEM_DISCOVERY_SUPPRESS, discSup), () -> item.remove(ITEM_DISCOVERY_SUPPRESS));
+    if (StringUtils.isNotEmpty(piece.getEnumeration())) {
+      item.put(ITEM_ENUMERATION, piece.getEnumeration());
+    }
+    if (StringUtils.isNotEmpty(piece.getCopyNumber())) {
+      item.put(COPY_NUMBER, piece.getCopyNumber());
+    }
+    if (StringUtils.isNotEmpty(piece.getChronology())) {
+      item.put(ITEM_CHRONOLOGY, piece.getChronology());
+    }
+    if (StringUtils.isNotEmpty(piece.getBarcode())) {
+      item.put(ITEM_BARCODE, piece.getBarcode());
+    }
+    if (StringUtils.isNotEmpty(piece.getAccessionNumber())) {
+      item.put(ITEM_ACCESSION_NUMBER, piece.getAccessionNumber());
+    }
+    if (StringUtils.isNotEmpty(piece.getCallNumber())) {
+      item.put(ITEM_LEVEL_CALL_NUMBER, piece.getCallNumber());
+    }
+    if (piece.getDiscoverySuppress() != null) {
+      item.put(ITEM_DISCOVERY_SUPPRESS, piece.getDiscoverySuppress());
+    }
   }
 
   public Future<SharingInstance> createShadowInstanceIfNeeded(String instanceId, RequestContext requestContext) {
diff --git a/src/main/java/org/folio/service/pieces/flows/update/PieceUpdateFlowInventoryManager.java b/src/main/java/org/folio/service/pieces/flows/update/PieceUpdateFlowInventoryManager.java
index 198de6ae0..8074b8632 100644
--- a/src/main/java/org/folio/service/pieces/flows/update/PieceUpdateFlowInventoryManager.java
+++ b/src/main/java/org/folio/service/pieces/flows/update/PieceUpdateFlowInventoryManager.java
@@ -3,7 +3,6 @@
 import static org.folio.service.inventory.InventoryManager.ID;
 import static org.folio.service.inventory.InventoryManager.ITEM_HOLDINGS_RECORD_ID;
 import static org.folio.service.inventory.InventoryManager.ITEM_PURCHASE_ORDER_LINE_IDENTIFIER;
-import static org.folio.service.inventory.InventoryManager.COPY_NUMBER;
 
 import java.util.Optional;
 
@@ -127,8 +126,6 @@ private Future<String> handleItem(PieceUpdateHolder holder, RequestContext reque
   private Future<Void> updateItemWithFields(JsonObject item, CompositePoLine compPOL, Piece piece) {
     Optional.ofNullable(piece.getHoldingId())
       .ifPresent(pieceHoldingId -> item.put(ITEM_HOLDINGS_RECORD_ID, piece.getHoldingId()));
-    Optional.ofNullable(piece.getCopyNumber())
-      .ifPresentOrElse(copyNumber -> item.put(COPY_NUMBER, copyNumber), () -> item.remove(COPY_NUMBER));
     item.put(ITEM_PURCHASE_ORDER_LINE_IDENTIFIER, compPOL.getId());
     return Future.succeededFuture();
   }