diff --git a/ccm-cms/package-lock.json b/ccm-cms/package-lock.json
index 367c02bef..0caf817ca 100644
--- a/ccm-cms/package-lock.json
+++ b/ccm-cms/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "@librecms/ccm-cms",
-    "version": "7.0.0-SNAPSHOT.2022-12-01T192513",
+    "version": "7.0.0-SNAPSHOT.2022-12-24T130950",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
         "": {
             "name": "@librecms/ccm-cms",
-            "version": "7.0.0-SNAPSHOT.2022-12-01T192513",
+            "version": "7.0.0-SNAPSHOT.2022-12-24T130950",
             "license": "LGPL-3.0-or-later",
             "dependencies": {
                 "@tiptap/core": "^2.0.0-beta.127",
diff --git a/ccm-cms/package.json b/ccm-cms/package.json
index e2725f386..e5a0d14b5 100644
--- a/ccm-cms/package.json
+++ b/ccm-cms/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@librecms/ccm-cms",
-    "version": "7.0.0-SNAPSHOT.2022-12-01T192513",
+    "version": "7.0.0-SNAPSHOT.2022-12-24T130950",
     "description": "JavaScript stuff for ccm-cms",
     "main": "target/generated-resources/assets/@content-sections/cms-admin.js",
     "types": "target/generated-resources/assets/@content-sections/cms-admin.d.ts",
diff --git a/ccm-cms/src/main/java/org/librecms/assets/AbstractAssetImExporter.java b/ccm-cms/src/main/java/org/librecms/assets/AbstractAssetImExporter.java
index 69aef32bd..ca9a4bb4f 100644
--- a/ccm-cms/src/main/java/org/librecms/assets/AbstractAssetImExporter.java
+++ b/ccm-cms/src/main/java/org/librecms/assets/AbstractAssetImExporter.java
@@ -23,6 +23,7 @@ import org.librecms.contentsection.Asset;
 import org.librecms.contentsection.AssetRepository;
 
 import java.util.Objects;
+import java.util.Optional;
 
 import javax.inject.Inject;
 
@@ -37,11 +38,59 @@ public abstract class AbstractAssetImExporter<T extends Asset>
     @Inject
     private AssetRepository assetRepo;
 
+    @Override
+    protected Optional<T> findExistingEntity(final String uuid) {
+        return assetRepo.findByUuidAndType(uuid, getEntityClass());
+    }
+
     @Override
     protected void saveImportedEntity(T asset) {
         assetRepo.save(asset);
     }
 
+    @Override
+    protected final void updateExistingEntity(
+        final T existingEntity, final T importedEntity
+    ) {
+        if (!Objects.equals(
+            existingEntity.getTitle(),
+            importedEntity.getTitle()
+        )) {
+            syncLocalizedStrings(
+                importedEntity.getTitle(),
+                existingEntity.getTitle()
+            );
+        }
+
+        updateExistingAsset(existingEntity, importedEntity);
+
+        assetRepo.save(existingEntity);
+    }
+
+    /**
+     * Updates an existing entity. Called by the implementation of
+     * {@link #updateExistingEntity(org.librecms.contentsection.Asset, org.librecms.contentsection.Asset)}
+     * in {@link AbstractAssetImExporter}. The same rules as for implementations
+     * of
+     * AbstractEntityImExporter#updateExistingEntity(org.libreccm.imexport.Exportable,
+     * org.libreccm.imexport.Exportable) apply to implementations of this
+     * method. Implementations should <strong>not</strong> save the updated
+     * asset. The calling method
+     * {@link AbstractAssetImExporter#updateExistingAsset(org.librecms.contentsection.Asset, org.librecms.contentsection.Asset)}
+     * is taking care of saving the updated, existing asset.
+     *
+     * @param exisitingAsset The existing asset.
+     * @param importedAsset  The imported asset.
+     *
+     * @see
+     * AbstractEntityImExporter#updateExistingEntity(org.libreccm.imexport.Exportable,
+     * org.libreccm.imexport.Exportable)
+     */
+    protected abstract void updateExistingAsset(
+        final T exisitingAsset,
+        final T importedAsset
+    );
+
     @Override
     protected T reloadEntity(T asset) {
         return assetRepo
diff --git a/ccm-cms/src/main/java/org/librecms/assets/AbstractBinaryAssetImExporter.java b/ccm-cms/src/main/java/org/librecms/assets/AbstractBinaryAssetImExporter.java
index 9cbd2cc27..27139b213 100644
--- a/ccm-cms/src/main/java/org/librecms/assets/AbstractBinaryAssetImExporter.java
+++ b/ccm-cms/src/main/java/org/librecms/assets/AbstractBinaryAssetImExporter.java
@@ -18,6 +18,9 @@
  */
 package org.librecms.assets;
 
+import java.util.Objects;
+
+
 /**
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
@@ -26,4 +29,62 @@ package org.librecms.assets;
 public abstract class AbstractBinaryAssetImExporter<T extends BinaryAsset>
     extends AbstractAssetImExporter<T> {
 
+    @Override
+    protected final void updateExistingAsset(
+        final T existingAsset,
+        final T importedAsset
+    ) {
+        if (!Objects.equals(
+            existingAsset.getDescription(),
+            importedAsset.getDescription()
+        )) {
+            syncLocalizedStrings(
+                importedAsset.getDescription(),
+                existingAsset.getDescription()
+            );
+        }
+
+        if (!Objects.equals(
+            existingAsset.getFileName(),
+            importedAsset.getFileName()
+        )) {
+            existingAsset.setFileName(importedAsset.getFileName());
+        }
+
+        if (!Objects.equals(
+            existingAsset.getMimeType(),
+            importedAsset.getMimeType()
+        )) {
+            existingAsset.setMimeType(importedAsset.getMimeType());
+        }
+
+        if (!Objects.equals(
+            existingAsset.getData(),
+            importedAsset.getData()
+        )) {
+            existingAsset.setData(importedAsset.getData());
+        }
+
+        if (existingAsset.getSize() != importedAsset.getSize()) {
+            existingAsset.setSize(importedAsset.getSize());
+        }
+        
+        updateExistingBinaryAsset(existingAsset, importedAsset);
+    }
+
+    /**
+     * Updates a existing binary asset.
+     *
+     * @param existingAsset The existing asset.
+     * @param importedAsset The imported asset.
+     *
+     * @see
+     * AbstractAssetImExporter#updateExistingAsset(org.librecms.contentsection.Asset,
+     * org.librecms.contentsection.Asset)
+     */
+    protected abstract void updateExistingBinaryAsset(
+        final T existingAsset,
+        final T importedAsset
+    );
+
 }
diff --git a/ccm-cms/src/main/java/org/librecms/assets/AbstractBookmarkImExporter.java b/ccm-cms/src/main/java/org/librecms/assets/AbstractBookmarkImExporter.java
index 49634594a..2c7849129 100644
--- a/ccm-cms/src/main/java/org/librecms/assets/AbstractBookmarkImExporter.java
+++ b/ccm-cms/src/main/java/org/librecms/assets/AbstractBookmarkImExporter.java
@@ -18,6 +18,8 @@
  */
 package org.librecms.assets;
 
+import java.util.Objects;
+
 /**
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
@@ -26,4 +28,34 @@ package org.librecms.assets;
 public abstract class AbstractBookmarkImExporter<T extends Bookmark>
     extends AbstractAssetImExporter<T> {
 
+    @Override
+    protected final void updateExistingAsset(
+        final T existingAsset,
+        final T importedAsset
+    ) {
+        if (!Objects.equals(
+            existingAsset.getDescription(),
+            importedAsset.getDescription()
+        )) {
+            syncLocalizedStrings(
+                importedAsset.getDescription(), 
+                existingAsset.getDescription()
+            );
+        } 
+        
+        if (!Objects.equals(
+            existingAsset.getUrl(),
+            importedAsset.getUrl()
+        )) {
+            existingAsset.setUrl(importedAsset.getUrl());
+        }
+        
+        updateExistingBookmark(existingAsset, importedAsset);
+    }
+    
+    protected abstract void updateExistingBookmark(
+        final T existingBookmark,
+        final T importedBookmark
+    );
+    
 }
diff --git a/ccm-cms/src/main/java/org/librecms/assets/AbstractContactableEntityImExporter.java b/ccm-cms/src/main/java/org/librecms/assets/AbstractContactableEntityImExporter.java
index e5364faae..c759646d7 100644
--- a/ccm-cms/src/main/java/org/librecms/assets/AbstractContactableEntityImExporter.java
+++ b/ccm-cms/src/main/java/org/librecms/assets/AbstractContactableEntityImExporter.java
@@ -18,6 +18,7 @@
  */
 package org.librecms.assets;
 
+import java.util.Objects;
 import java.util.Set;
 
 import javax.annotation.PostConstruct;
@@ -36,6 +37,35 @@ public abstract class AbstractContactableEntityImExporter<T extends ContactableE
         addRequiredEntities(Set.of(PostalAddress.class));
     }
 
+    @Override
+    protected final void updateExistingAsset(
+        final T existingAsset,
+        final T importedAsset
+    ) {
+        if (!Objects.equals(
+            existingAsset.getContactEntries(),
+            importedAsset.getContactEntries()
+        )) {
+            existingAsset.setContactEntries(importedAsset.getContactEntries());
+        }
+        
+        if (!Objects.equals(
+            existingAsset.getPostalAddress(),
+            importedAsset.getPostalAddress()
+        )) {
+            existingAsset.setPostalAddress(importedAsset.getPostalAddress());
+        }
+        
+        updateExistingContactable(existingAsset, importedAsset);
+    }
+    
     protected abstract void initContactableEntityImExporter();
+   
+    
+    protected abstract void updateExistingContactable(
+        final T existingContactable,
+        final T importedContactable
+    );
+   
 
 }
diff --git a/ccm-cms/src/main/java/org/librecms/assets/AudioAssetImExporter.java b/ccm-cms/src/main/java/org/librecms/assets/AudioAssetImExporter.java
index 0abd8848b..20e06da20 100644
--- a/ccm-cms/src/main/java/org/librecms/assets/AudioAssetImExporter.java
+++ b/ccm-cms/src/main/java/org/librecms/assets/AudioAssetImExporter.java
@@ -20,6 +20,7 @@ package org.librecms.assets;
 
 import org.libreccm.imexport.Processes;
 
+import java.util.Objects;
 import java.util.Set;
 
 import javax.enterprise.context.RequestScoped;
@@ -42,4 +43,17 @@ public class AudioAssetImExporter extends AbstractBinaryAssetImExporter<AudioAss
         addRequiredEntities(Set.of(LegalMetadata.class));
     }
 
+    @Override
+    protected void updateExistingBinaryAsset(
+        final AudioAsset existingAsset,
+        final AudioAsset importedAsset
+    ) {
+        if (!Objects.equals(
+            existingAsset.getLegalMetadata(),
+            importedAsset.getLegalMetadata()
+        )) {
+            existingAsset.setLegalMetadata(importedAsset.getLegalMetadata());
+        }
+    }
+
 }
diff --git a/ccm-cms/src/main/java/org/librecms/assets/BookmarkImExporter.java b/ccm-cms/src/main/java/org/librecms/assets/BookmarkImExporter.java
index 245602c7b..05d7c2853 100644
--- a/ccm-cms/src/main/java/org/librecms/assets/BookmarkImExporter.java
+++ b/ccm-cms/src/main/java/org/librecms/assets/BookmarkImExporter.java
@@ -41,4 +41,12 @@ public class BookmarkImExporter
         // Nothing
     }
 
+    @Override
+    protected void updateExistingBookmark(
+        final Bookmark existingBookmark,
+        final Bookmark importedBookmark
+    ) {
+        // Nothing to do here
+    }
+
 }
diff --git a/ccm-cms/src/main/java/org/librecms/assets/ExternalAudioAssetImExporter.java b/ccm-cms/src/main/java/org/librecms/assets/ExternalAudioAssetImExporter.java
index c54c48188..8b4ff4976 100644
--- a/ccm-cms/src/main/java/org/librecms/assets/ExternalAudioAssetImExporter.java
+++ b/ccm-cms/src/main/java/org/librecms/assets/ExternalAudioAssetImExporter.java
@@ -20,6 +20,7 @@ package org.librecms.assets;
 
 import org.libreccm.imexport.Processes;
 
+import java.util.Objects;
 import java.util.Set;
 
 import javax.enterprise.context.RequestScoped;
@@ -43,4 +44,19 @@ public class ExternalAudioAssetImExporter
         addRequiredEntities(Set.of(LegalMetadata.class));
     }
 
+    @Override
+    protected void updateExistingBookmark(
+        final ExternalAudioAsset existingBookmark,
+        final ExternalAudioAsset importedBookmark
+    ) {
+        if (!Objects.equals(
+            existingBookmark.getLegalMetadata(),
+            importedBookmark.getLegalMetadata()
+        )) {
+            existingBookmark.setLegalMetadata(
+                importedBookmark.getLegalMetadata()
+            );
+        }
+    }
+
 }
diff --git a/ccm-cms/src/main/java/org/librecms/assets/ExternalVideoAssetImExporter.java b/ccm-cms/src/main/java/org/librecms/assets/ExternalVideoAssetImExporter.java
index 8c06b42db..48e37ba56 100644
--- a/ccm-cms/src/main/java/org/librecms/assets/ExternalVideoAssetImExporter.java
+++ b/ccm-cms/src/main/java/org/librecms/assets/ExternalVideoAssetImExporter.java
@@ -20,6 +20,7 @@ package org.librecms.assets;
 
 import org.libreccm.imexport.Processes;
 
+import java.util.Objects;
 import java.util.Set;
 
 import javax.enterprise.context.RequestScoped;
@@ -43,4 +44,19 @@ public class ExternalVideoAssetImExporter
         addRequiredEntities(Set.of(LegalMetadata.class));
     }
 
+    @Override
+    protected void updateExistingBookmark(
+        final ExternalVideoAsset existingBookmark,
+        final ExternalVideoAsset importedBookmark
+    ) {
+        if (!Objects.equals(
+            existingBookmark.getLegalMetadata(),
+            importedBookmark.getLegalMetadata()
+        )) {
+            existingBookmark.setLegalMetadata(
+                importedBookmark.getLegalMetadata()
+            );
+        }
+    }
+
 }
diff --git a/ccm-cms/src/main/java/org/librecms/assets/FileAssetImExporter.java b/ccm-cms/src/main/java/org/librecms/assets/FileAssetImExporter.java
index 30a84d126..7d2627050 100644
--- a/ccm-cms/src/main/java/org/librecms/assets/FileAssetImExporter.java
+++ b/ccm-cms/src/main/java/org/librecms/assets/FileAssetImExporter.java
@@ -35,4 +35,12 @@ public class FileAssetImExporter
         // Nothing
     }
 
+    @Override
+    protected void updateExistingBinaryAsset(
+        final FileAsset existingAsset,
+        final FileAsset importedAsset
+    ) {
+        // Nothing to do here
+    }
+
 }
diff --git a/ccm-cms/src/main/java/org/librecms/assets/ImageImExporter.java b/ccm-cms/src/main/java/org/librecms/assets/ImageImExporter.java
index 062726687..e6eac5f00 100644
--- a/ccm-cms/src/main/java/org/librecms/assets/ImageImExporter.java
+++ b/ccm-cms/src/main/java/org/librecms/assets/ImageImExporter.java
@@ -20,6 +20,7 @@ package org.librecms.assets;
 
 import org.libreccm.imexport.Processes;
 
+import java.util.Objects;
 import java.util.Set;
 
 import javax.enterprise.context.RequestScoped;
@@ -42,4 +43,25 @@ public class ImageImExporter extends AbstractBinaryAssetImExporter<Image> {
         addRequiredEntities(Set.of(LegalMetadata.class));
     }
 
+    @Override
+    protected void updateExistingBinaryAsset(
+        final Image existingAsset,
+        final Image importedAsset
+    ) {
+        if (!Objects.equals(
+            existingAsset.getLegalMetadata(),
+            importedAsset.getLegalMetadata()
+        )) {
+            existingAsset.setLegalMetadata(importedAsset.getLegalMetadata());
+        }
+
+        if (existingAsset.getWidth() != importedAsset.getWidth()) {
+            existingAsset.setWidth(importedAsset.getWidth());
+        }
+
+        if (existingAsset.getHeight() != importedAsset.getHeight()) {
+            existingAsset.setHeight(importedAsset.getHeight());
+        }
+    }
+
 }
diff --git a/ccm-cms/src/main/java/org/librecms/assets/LegalMetadataImExporter.java b/ccm-cms/src/main/java/org/librecms/assets/LegalMetadataImExporter.java
index 771c7f387..06d2d8603 100644
--- a/ccm-cms/src/main/java/org/librecms/assets/LegalMetadataImExporter.java
+++ b/ccm-cms/src/main/java/org/librecms/assets/LegalMetadataImExporter.java
@@ -20,6 +20,8 @@ package org.librecms.assets;
 
 import org.libreccm.imexport.Processes;
 
+import java.util.Objects;
+
 import javax.enterprise.context.RequestScoped;
 
 /**
@@ -41,4 +43,49 @@ public class LegalMetadataImExporter
         // Nothing
     }
 
+    @Override
+    protected void updateExistingAsset(
+        final LegalMetadata exisitingAsset,
+        final LegalMetadata importedAsset
+    ) {
+        if (!Objects.equals(
+            exisitingAsset.getRightsHolder(),
+            importedAsset.getRightsHolder()
+        )) {
+            exisitingAsset.setRightsHolder(importedAsset.getRightsHolder());
+        }
+
+        if (!Objects.equals(
+            exisitingAsset.getRights(),
+            importedAsset.getRights()
+        )) {
+            syncLocalizedStrings(
+                importedAsset.getRights(),
+                exisitingAsset.getRights()
+            );
+        }
+
+        if (!Objects.equals(
+            exisitingAsset.getPublisher(),
+            importedAsset.getPublisher()
+        )) {
+            exisitingAsset.setPublisher(importedAsset.getPublisher());
+        }
+
+        if (!Objects.equals(
+            exisitingAsset.getCreator(),
+            importedAsset.getCreator()
+        )) {
+            exisitingAsset.setCreator(importedAsset.getCreator());
+        }
+
+        if (!Objects.equals(
+            exisitingAsset.getContributors(),
+            importedAsset.getContributors()
+        )) {
+            exisitingAsset.setContributors(importedAsset.getContributors());
+        }
+
+    }
+
 }
diff --git a/ccm-cms/src/main/java/org/librecms/assets/OrganizationImExporter.java b/ccm-cms/src/main/java/org/librecms/assets/OrganizationImExporter.java
index ea86f8fad..e2428eed6 100644
--- a/ccm-cms/src/main/java/org/librecms/assets/OrganizationImExporter.java
+++ b/ccm-cms/src/main/java/org/librecms/assets/OrganizationImExporter.java
@@ -20,6 +20,8 @@ package org.librecms.assets;
 
 import org.libreccm.imexport.Processes;
 
+import java.util.Objects;
+
 import javax.enterprise.context.RequestScoped;
 
 /**
@@ -41,4 +43,17 @@ public class OrganizationImExporter
         // Nothing
     }
 
+    @Override
+    protected void updateExistingContactable(
+        final Organization existingContactable,
+        final Organization importedContactable
+    ) {
+       if (!Objects.equals(
+           existingContactable.getName(),
+           importedContactable.getName()
+       )) {
+           existingContactable.setName(importedContactable.getName());
+       }
+    }
+
 }
diff --git a/ccm-cms/src/main/java/org/librecms/assets/PersonImExporter.java b/ccm-cms/src/main/java/org/librecms/assets/PersonImExporter.java
index 42a6e9c37..9e8a93e72 100644
--- a/ccm-cms/src/main/java/org/librecms/assets/PersonImExporter.java
+++ b/ccm-cms/src/main/java/org/librecms/assets/PersonImExporter.java
@@ -18,6 +18,8 @@
  */
 package org.librecms.assets;
 
+import java.util.Objects;
+
 /**
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
@@ -35,4 +37,28 @@ public class PersonImExporter
         // Nothing
     }
 
+    @Override
+    protected void updateExistingContactable(
+        final Person existingContactable,
+        final Person importedContactable
+    ) {
+        if (!Objects.equals(
+            existingContactable.getPersonNames(),
+            importedContactable.getPersonNames()
+        )) {
+            existingContactable.setPersonNames(
+                importedContactable.getPersonNames()
+            );
+        }
+
+        if (!Objects.equals(
+            existingContactable.getBirthdate(),
+            importedContactable.getBirthdate()
+        )) {
+            existingContactable.setBirthdate(
+                importedContactable.getBirthdate()
+            );
+        }
+    }
+
 }
diff --git a/ccm-cms/src/main/java/org/librecms/assets/PostalAddressImExporter.java b/ccm-cms/src/main/java/org/librecms/assets/PostalAddressImExporter.java
index 6522ecffb..09cb45e9a 100644
--- a/ccm-cms/src/main/java/org/librecms/assets/PostalAddressImExporter.java
+++ b/ccm-cms/src/main/java/org/librecms/assets/PostalAddressImExporter.java
@@ -18,7 +18,7 @@
  */
 package org.librecms.assets;
 
-import org.librecms.contentsection.Asset;
+import java.util.Objects;
 
 /**
  *
@@ -37,4 +37,47 @@ public class PostalAddressImExporter
         // Nothing
     }
 
+    @Override
+    protected void updateExistingAsset(
+        final PostalAddress exisitingAsset,
+        final PostalAddress importedAsset
+    ) {
+        if (!Objects.equals(
+            exisitingAsset.getAddress(),
+            importedAsset.getAddress()
+        )) {
+            exisitingAsset.setAddress(importedAsset.getAddress());
+        }
+
+        if (!Objects.equals(
+            exisitingAsset.getPostalCode(),
+            importedAsset.getPostalCode()
+        )) {
+            exisitingAsset.setPostalCode(importedAsset.getPostalCode());
+        }
+
+        if (!Objects.equals(
+            exisitingAsset.getCity(),
+            importedAsset.getCity()
+        )) {
+            exisitingAsset.setCity(importedAsset.getCity());
+        }
+        
+        if (!Objects.equals(
+            exisitingAsset.getState(),
+            importedAsset.getState()
+        )) {
+            exisitingAsset.setState(importedAsset.getState());
+        }
+
+        if (!Objects.equals(
+            exisitingAsset.getIsoCountryCode(),
+            importedAsset.getIsoCountryCode()
+        )) {
+            exisitingAsset.setIsoCountryCode(
+                importedAsset.getIsoCountryCode()
+            );
+        }
+    }
+
 }
diff --git a/ccm-cms/src/main/java/org/librecms/assets/RelatedLink.java b/ccm-cms/src/main/java/org/librecms/assets/RelatedLink.java
index 67ef31a4e..db1c93624 100644
--- a/ccm-cms/src/main/java/org/librecms/assets/RelatedLink.java
+++ b/ccm-cms/src/main/java/org/librecms/assets/RelatedLink.java
@@ -20,7 +20,6 @@ package org.librecms.assets;
 
 
 import com.fasterxml.jackson.annotation.JsonIdentityReference;
-import com.fasterxml.jackson.annotation.JsonIgnore;
 import org.librecms.contentsection.Asset;
 import org.hibernate.envers.Audited;
 import org.librecms.contentsection.ContentItem;
diff --git a/ccm-cms/src/main/java/org/librecms/assets/RelatedLinkImExporter.java b/ccm-cms/src/main/java/org/librecms/assets/RelatedLinkImExporter.java
index 57cc06759..e251a761c 100644
--- a/ccm-cms/src/main/java/org/librecms/assets/RelatedLinkImExporter.java
+++ b/ccm-cms/src/main/java/org/librecms/assets/RelatedLinkImExporter.java
@@ -20,6 +20,7 @@ package org.librecms.assets;
 
 import org.libreccm.imexport.Processes;
 
+import java.util.Objects;
 import java.util.Set;
 
 import javax.enterprise.context.RequestScoped;
@@ -41,7 +42,25 @@ public class RelatedLinkImExporter extends AbstractAssetImExporter<RelatedLink>
     protected void init() {
         addRequiredEntities(Set.of(Bookmark.class));
     }
-    
-    
-    
+
+    @Override
+    protected void updateExistingAsset(
+        final RelatedLink exisitingAsset,
+        final RelatedLink importedAsset
+    ) {
+        if (!Objects.equals(
+            exisitingAsset.getTargetItem(),
+            importedAsset.getTargetItem()
+        )) {
+            exisitingAsset.setTargetItem(importedAsset.getTargetItem());
+        }
+
+        if (!Objects.equals(
+            exisitingAsset.getBookmark(),
+            importedAsset.getBookmark()
+        )) {
+            exisitingAsset.setBookmark(importedAsset.getBookmark());
+        }
+    }
+
 }
diff --git a/ccm-cms/src/main/java/org/librecms/assets/SideNoteImExporter.java b/ccm-cms/src/main/java/org/librecms/assets/SideNoteImExporter.java
index 23bcbb2db..a6e4a2ce3 100644
--- a/ccm-cms/src/main/java/org/librecms/assets/SideNoteImExporter.java
+++ b/ccm-cms/src/main/java/org/librecms/assets/SideNoteImExporter.java
@@ -20,6 +20,8 @@ package org.librecms.assets;
 
 import org.libreccm.imexport.Processes;
 
+import java.util.Objects;
+
 import javax.enterprise.context.RequestScoped;
 
 /**
@@ -28,7 +30,7 @@ import javax.enterprise.context.RequestScoped;
  */
 @RequestScoped
 @Processes(SideNote.class)
-public class SideNoteImExporter extends AbstractAssetImExporter<SideNote>{
+public class SideNoteImExporter extends AbstractAssetImExporter<SideNote> {
 
     @Override
     public Class<SideNote> getEntityClass() {
@@ -39,7 +41,18 @@ public class SideNoteImExporter extends AbstractAssetImExporter<SideNote>{
     protected void init() {
         // Nothing
     }
-    
-    
-    
+
+    @Override
+    protected void updateExistingAsset(
+        final SideNote exisitingAsset,
+        final SideNote importedAsset
+    ) {
+        if (!Objects.equals(
+            exisitingAsset.getText(),
+            importedAsset.getText()
+        )) {
+            exisitingAsset.setText(importedAsset.getText());
+        }
+    }
+
 }
diff --git a/ccm-cms/src/main/java/org/librecms/assets/VideoAssetImExporter.java b/ccm-cms/src/main/java/org/librecms/assets/VideoAssetImExporter.java
index 1e64560b1..522211a14 100644
--- a/ccm-cms/src/main/java/org/librecms/assets/VideoAssetImExporter.java
+++ b/ccm-cms/src/main/java/org/librecms/assets/VideoAssetImExporter.java
@@ -20,6 +20,7 @@ package org.librecms.assets;
 
 import org.libreccm.imexport.Processes;
 
+import java.util.Objects;
 import java.util.Set;
 
 import javax.enterprise.context.RequestScoped;
@@ -45,4 +46,17 @@ public class VideoAssetImExporter
         );
     }
 
+    @Override
+    protected void updateExistingBinaryAsset(
+        final VideoAsset existingAsset,
+        final VideoAsset importedAsset
+    ) {
+        if (!Objects.equals(
+            existingAsset.getLegalMetadata(),
+            importedAsset.getLegalMetadata()
+        )) {
+            existingAsset.setLegalMetadata(importedAsset.getLegalMetadata());
+        }
+    }
+
 }