diff --git a/tests/unit/vertex_rag/test_rag_data.py b/tests/unit/vertex_rag/test_rag_data.py
index 2b789d6513..2648e530ec 100644
--- a/tests/unit/vertex_rag/test_rag_data.py
+++ b/tests/unit/vertex_rag/test_rag_data.py
@@ -453,6 +453,17 @@ def test_prepare_import_files_request_slack_source(self):
         )
         import_files_request_eq(request, tc.TEST_IMPORT_REQUEST_SLACK_SOURCE)
 
+    def test_prepare_import_slack_request_advanced_pdf_parsing_enabled_error(self):
+        with pytest.raises(ValueError) as e:
+            rag.import_files(
+                corpus_name=tc.TEST_RAG_CORPUS_RESOURCE_NAME,
+                source=tc.TEST_SLACK_SOURCE,
+                chunk_size=tc.TEST_CHUNK_SIZE,
+                chunk_overlap=tc.TEST_CHUNK_OVERLAP,
+                use_advanced_pdf_parsing=True,
+            )
+        e.match("use_advanced_pdf_parsing is not supported for Slack or Jira")
+
     def test_prepare_import_files_request_jira_source(self):
         request = prepare_import_files_request(
             corpus_name=tc.TEST_RAG_CORPUS_RESOURCE_NAME,
@@ -462,6 +473,17 @@ def test_prepare_import_files_request_jira_source(self):
         )
         import_files_request_eq(request, tc.TEST_IMPORT_REQUEST_JIRA_SOURCE)
 
+    def test_prepare_import_jira_request_advanced_pdf_parsing_enabled_error(self):
+        with pytest.raises(ValueError) as e:
+            rag.import_files(
+                corpus_name=tc.TEST_RAG_CORPUS_RESOURCE_NAME,
+                source=tc.TEST_JIRA_SOURCE,
+                chunk_size=tc.TEST_CHUNK_SIZE,
+                chunk_overlap=tc.TEST_CHUNK_OVERLAP,
+                use_advanced_pdf_parsing=True,
+            )
+        e.match("use_advanced_pdf_parsing is not supported for Slack or Jira")
+
     def test_set_embedding_model_config_set_both_error(self):
         embedding_model_config = rag.EmbeddingModelConfig(
             publisher_model="whatever",
diff --git a/vertexai/preview/rag/rag_data.py b/vertexai/preview/rag/rag_data.py
index 32da89c0a3..fcbb05380c 100644
--- a/vertexai/preview/rag/rag_data.py
+++ b/vertexai/preview/rag/rag_data.py
@@ -374,6 +374,8 @@ def import_files(
         raise ValueError("Only one of source or paths must be passed in at a time")
     if source is None and paths is None:
         raise ValueError("One of source or paths must be passed in")
+    if use_advanced_pdf_parsing and source is not None:
+        raise ValueError("use_advanced_pdf_parsing is not supported for Slack or Jira")
     corpus_name = _gapic_utils.get_corpus_name(corpus_name)
     request = _gapic_utils.prepare_import_files_request(
         corpus_name=corpus_name,
@@ -493,6 +495,8 @@ async def import_files_async(
         raise ValueError("Only one of source or paths must be passed in at a time")
     if source is None and paths is None:
         raise ValueError("One of source or paths must be passed in")
+    if use_advanced_pdf_parsing and source is not None:
+        raise ValueError("use_advanced_pdf_parsing is not supported for Slack or Jira")
     corpus_name = _gapic_utils.get_corpus_name(corpus_name)
     request = _gapic_utils.prepare_import_files_request(
         corpus_name=corpus_name,