diff --git a/fieldExtraction/src/investment/aarete_derived.py b/fieldExtraction/src/investment/aarete_derived.py
new file mode 100644
index 0000000..8d434e1
--- /dev/null
+++ b/fieldExtraction/src/investment/aarete_derived.py
@@ -0,0 +1,19 @@
+import src.config as config
+from src.prompts.investment_prompts import Field, FieldSet
+
+
+def get_aarete_derived(contract_answers: dict):
+    aarete_derived_fields = FieldSet(file_path=config.FIELD_JSON_PATH, field_type="aarete_derived")
+
+    for field in aarete_derived_fields.fields:
+        pass
+        # 1. Get base field
+        # 2. Get base field answer from contract_answer
+        # 3. Run relevant prompt/crosswalk process
+        # 4. Add AARETE_DERIVED_ answers to contract_answers
+
+    # contract_answers should have all fields, both CONTRACT_ and AARETE_DERIVED_ now
+    return contract_answers
+
+
+
diff --git a/fieldExtraction/src/investment/file_processing.py b/fieldExtraction/src/investment/file_processing.py
index 1d20216..88ac305 100644
--- a/fieldExtraction/src/investment/file_processing.py
+++ b/fieldExtraction/src/investment/file_processing.py
@@ -7,6 +7,7 @@ import src.investment.one_to_n_funcs as one_to_n_funcs
 import src.investment.one_to_one_funcs as one_to_one_funcs
 import src.investment.postprocess as postprocess
 import src.investment.preprocess as preprocess
+import src.investment.aarete_derived as aarete_derived
 import src.investment.smart_chunking_funcs as smart_chunking_funcs
 from src.prompts.investment_prompts import Field, FieldSet
 from src import config
@@ -35,9 +36,12 @@ def process_file(file_object, run_timestamp):
     if string_utils.contains_reimbursement(contract_text):
         one_to_n_results = run_one_to_n_prompts(filename, text_dict, exhibit_pages, exhibit_chunk_mapping) # Return df
         one_to_n_results['CONTRACT_FILE_NAME'] = filename
-        final_results = pd.merge(one_to_one_results, one_to_n_results, how='right', on='CONTRACT_FILE_NAME')
+        contract_results = pd.merge(one_to_one_results, one_to_n_results, how='right', on='CONTRACT_FILE_NAME')
     else:
-        final_results = one_to_n_results
+        contract_results = one_to_n_results
+
+    ################## AARETE-DERIVED ##################
+    final_results = aarete_derived.get_aarete_derived(contract_results)
     
     ################## POSTPROCESS ##################
     final_df = postprocess.postprocess(final_results)