diff --git a/lib/compare_lists.py b/lib/compare_lists.py
index 70ab0fe..8d460d3 100644
--- a/lib/compare_lists.py
+++ b/lib/compare_lists.py
@@ -1,4 +1,4 @@
-from manage_configs import SivasAssemblyData, RuleDesignerDatabaseConfig, MigrationStatus, TeilestammMetadata
+from manage_configs import SivasBOM, RuleDesignerDatabaseConfig, MigrationStatus, SivasTeilestamm
 import argparse
 import os
 import openpyxl
@@ -25,8 +25,8 @@ class ExcelExport:
                  load_local_rd_dbase,
                  no_blue_ids):
         self.asm_id = asm_id
-        self.asm_data = SivasAssemblyData(asm_json_dir, asm_json_filename, load_local_asm_json)
-        self.asm_metadata = TeilestammMetadata(asm_csv_dir, asm_csv_filename, load_local_asm_csv)
+        self.asm_data = SivasBOM(asm_json_dir, asm_json_filename, load_local_asm_json)
+        self.asm_metadata = SivasTeilestamm(asm_csv_dir, asm_csv_filename, load_local_asm_csv)
         self.rd_data = RuleDesignerDatabaseConfig(rd_dbase_dir, rd_dbase_filename, load_local_rd_dbase)
         self._migration_status = None
 
@@ -180,8 +180,8 @@ class Treeview:
                  load_local_rd_dbase,
                  no_blue_ids):
         self.asm_id = asm_id
-        self.asm_bom_data = SivasAssemblyData(asm_json_dir, asm_json_filename, load_local_asm_json)
-        self.asm_metadata = TeilestammMetadata(asm_csv_dir, asm_csv_filename, load_local_asm_csv)
+        self.asm_bom = SivasBOM(asm_json_dir, asm_json_filename, load_local_asm_json)
+        self.asm_teilestamm = SivasTeilestamm(asm_csv_dir, asm_csv_filename, load_local_asm_csv)
         self.rd_data = RuleDesignerDatabaseConfig(rd_dbase_dir, rd_dbase_filename, load_local_rd_dbase)
         self.no_blue_ids = no_blue_ids
         self._migration_status = None
@@ -190,7 +190,7 @@ class Treeview:
     @property
     def migration_status(self):
         if self._migration_status is None:
-            self._migration_status = MigrationStatus(self.asm_bom_data.child_ids, self.rd_data.ids)
+            self._migration_status = MigrationStatus(self.asm_bom.child_ids, self.rd_data.ids)
         return self._migration_status
     
     @property
@@ -204,10 +204,10 @@ class Treeview:
 
             if self._longest_entry is None:
 
-                self._longest_entry = (self.asm_bom_data.max_bom_depth) * len(Treeview.prefix_types["PIPE"])  \
+                self._longest_entry = (self.asm_bom.max_bom_depth) * len(Treeview.prefix_types["PIPE"])  \
                                     + len(longest_connector_symbol) \
                                     + len(longest_color_code) \
-                                    + len(self.asm_bom_data.longest_child_id) \
+                                    + len(self.asm_bom.longest_child_id) \
                                     + len(Treeview.console_colors["RESET"]) \
                                     + padding_after_id
         return self._longest_entry
@@ -218,10 +218,11 @@ class Treeview:
            die über das Programm 'Sivas2Json' von Hr. Jakob generiert wird. Damit der Baum die Bezeichnung der obersten Baugruppennummer im
            Baum angezeigt wird ist es jedoch erforderlich, dass die Nummer mitsamt ihrer Bezeichnung in der JSON enthalten ist"""
 
-        metadata = {"Bezeichnung": self.asm_metadata.get_property_values("Bezeichnung1"),
+        metadata = {"Bezeichnung": self.asm_teilestamm.get_property_values("Bezeichnung1"),
+                    "Parent": None,
                     "Position": "10/0"}
         
-        self.asm_bom_data.extend_asm_bom(self.asm_id, metadata)
+        self.asm_bom.extend_asm_bom(self.asm_id, metadata)
 
 
     def generate_tree(self):
@@ -234,7 +235,7 @@ class Treeview:
 
         """Gibt die Baugruppenstruktur in Form eines Baumes in der Konsole aus"""
 
-        parent_children = self.asm_bom_data.parent_children
+        parent_children = self.asm_bom.parent_children
         children_ids = parent_children[parent_id]
 
         for i, id in enumerate(children_ids):
@@ -259,7 +260,7 @@ class Treeview:
             amount_in_work = len(self.migration_status.ids_in_progress)
             amount_released = amount_in_rd - amount_in_work
 
-        progress = int(amount_in_rd / len(self.asm_bom_data.child_ids) * 100)
+        progress = int(amount_in_rd / len(self.asm_bom.child_ids) * 100)
 
         column_width = 5
         border_padding = "".ljust(column_width, "─")
@@ -298,7 +299,7 @@ class Treeview:
         """Eintrag in die Konsole drucken"""
 
         text_before_description = f"{prefix}{connector}{color}{child_id}{Treeview.console_colors['RESET']}".ljust(self.longest_entry)
-        description = self.asm_bom_data.get_prop_val_for_single_id(child_id, "Bezeichnung")
+        description = self.asm_bom.get_prop_val_for_single_id(child_id, "Bezeichnung")
 
         print(f"{text_before_description}{description}")