diff --git a/cope2n-api/fwd/settings.py b/cope2n-api/fwd/settings.py
index a57387a..86d4832 100755
--- a/cope2n-api/fwd/settings.py
+++ b/cope2n-api/fwd/settings.py
@@ -307,4 +307,6 @@ REASON_SOLUTION_MAP = {"Invalid image": "Remove this image from the evaluation r
                        "Handwritten": "Remove this image from the evaluation report",
                        "Wrong feedback": "Update revised resutl and re-calculate accuracy",
                        "Ocr cannot extract": "Improve OCR",
-                       }
\ No newline at end of file
+                       }
+
+IMEI_MAX_LENGHT = 14
\ No newline at end of file
diff --git a/cope2n-api/fwd_api/utils/ocr_utils/sbt_report.py b/cope2n-api/fwd_api/utils/ocr_utils/sbt_report.py
index d742c33..cf77f21 100644
--- a/cope2n-api/fwd_api/utils/ocr_utils/sbt_report.py
+++ b/cope2n-api/fwd_api/utils/ocr_utils/sbt_report.py
@@ -5,6 +5,7 @@ import time
 import json
 import glob
 import shutil
+from django.conf import settings
 import pandas as pd
 from tqdm import tqdm
 from pathlib import Path
@@ -64,6 +65,9 @@ def post_processing_str(class_name: str, s: str, is_gt: bool, sub: str) -> str:
         s = convert_datetime_format(s)
     if class_name == "retailername":
         s = normalise_retailer_name(s, sub)
+    if class_name == "imei_number" and isinstance(s, str):
+        if len(s) > settings.IMEI_MAX_LENGHT:
+            s = s[:settings.IMEI_MAX_LENGHT] 
     return s