diff --git a/data/src/main/java/one/nem/lacerta/data/LacertaLibrary.java b/data/src/main/java/one/nem/lacerta/data/LacertaLibrary.java
index 7e8ba899..764dcb5a 100644
--- a/data/src/main/java/one/nem/lacerta/data/LacertaLibrary.java
+++ b/data/src/main/java/one/nem/lacerta/data/LacertaLibrary.java
@@ -35,6 +35,8 @@ public interface LacertaLibrary {
     // Tag
     CompletableFuture<ArrayList<DocumentTag>> getTagList();
 
+    CompletableFuture<ArrayList<DocumentTag>> getAppliedTagList(String documentId);
+
     CompletableFuture<Void> createTag(DocumentTag tag);
 
     CompletableFuture<Void> updateTag(DocumentTag tag);
diff --git a/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java b/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java
index e6c19bd9..b0052b70 100644
--- a/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java
+++ b/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java
@@ -248,6 +248,22 @@ public class LacertaLibraryImpl implements LacertaLibrary {
         });
     }
 
+    @Override
+    public CompletableFuture<ArrayList<DocumentTag>> getAppliedTagList(String documentId) {
+        return CompletableFuture.supplyAsync(() -> {
+            List<ToxiDocumentTagEntity> toxiDocumentTagEntities = database.toxiDocumentTagDao().findByDocumentId(documentId);
+            logger.debug("LacertaLibraryImpl", "Database Query: Get ToxiDocumentTagEntity List (Size: " + toxiDocumentTagEntities.size() + ")");
+            ArrayList<DocumentTag> documentTags = new ArrayList<>();
+            for (ToxiDocumentTagEntity toxiDocumentTagEntity : toxiDocumentTagEntities) {
+                TagEntity tagEntity = database.tagDao().findById(toxiDocumentTagEntity.tagId);
+                if (tagEntity != null) {
+                    documentTags.add(convertTagEntityToDocumentTag(tagEntity));
+                }
+            }
+            return documentTags;
+        });
+    }
+
     @Override
     public CompletableFuture<Void> createTag(DocumentTag tag) {
         return CompletableFuture.supplyAsync(() -> {