diff --git a/clean_nist_files/Readme.md b/clean_nist_files/Readme.md
index e783c085e2cbf710014c8043d31d735b147dfe3e..398d07ca61df15c2a28ad2f6f757247f2035da12 100644
--- a/clean_nist_files/Readme.md
+++ b/clean_nist_files/Readme.md
@@ -157,3 +157,13 @@ Once the script has been read and updated as needed, it can be run with a `pytho
 
 This script will take one directory as input, load all the files, remove all the PII informations, and write the files in a second directory.
 
+# Check the cleaning process
+
+To check the content of the NIST file, use the `check_nist_file.py` script.
+This file should be updated to point the `nist_file_path` to the file on disk.
+
+By printing the `nist_file` object, the content of the file is outputted to the console.
+All the fields are displayed, on the left the field tag, and on the right the content of the field.
+
+If one field present in the output should be delete, update the `clean_files.py` file accordingly.
+
diff --git a/clean_nist_files/check_nist_file.py b/clean_nist_files/check_nist_file.py
new file mode 100644
index 0000000000000000000000000000000000000000..a414743b751e455763ec03f3f9685004523afe07
--- /dev/null
+++ b/clean_nist_files/check_nist_file.py
@@ -0,0 +1,11 @@
+#!/usr/bin/env python
+# -*- coding: UTF-8 -*-
+
+from NIST import NISTf
+
+nist_file_path = ""
+
+nist_file = NISTf( nist_file_path )
+
+print( nist_file )
+