diff --git a/smash/web/importer/csv_tns_subject_import_reader.py b/smash/web/importer/csv_tns_subject_import_reader.py
index 638c798cf7782f80407b9a77c712defdc78ef6ff..862bbb94ba33cc04507fb35c85459282833b98ca 100644
--- a/smash/web/importer/csv_tns_subject_import_reader.py
+++ b/smash/web/importer/csv_tns_subject_import_reader.py
@@ -34,15 +34,18 @@ class TnsCsvSubjectImportReader(SubjectImportReader):
 
     def add_data(self, study_subject, column_name, value):
         # type: (StudySubject, str, str) ->  None
-        if column_name == "firstname":
+        if column_name == "firstname" or column_name == "sig_firstname":
             study_subject.subject.first_name = self.get_new_value(study_subject.subject.first_name, column_name, value)
-        elif column_name == "lastname":
+        elif column_name == "lastname" or column_name == "sig_lastname":
             study_subject.subject.last_name = self.get_new_value(study_subject.subject.last_name, column_name, value)
         elif column_name == "donor_id":
             study_subject.screening_number = self.get_new_value(study_subject.screening_number, column_name, value)
         elif column_name == "phonenr":
             study_subject.subject.phone_number = self.get_new_value(study_subject.subject.phone_number, column_name,
                                                                     value)
+        elif column_name == "representative":
+            study_subject.subject.next_of_keen_name = self.get_new_value(study_subject.subject.next_of_keen_name,
+                                                                         column_name, value)
         elif column_name == "treatingphysician":
             if value is not None and value != "":
                 value = "Treating physician: " + value
@@ -59,6 +62,8 @@ class TnsCsvSubjectImportReader(SubjectImportReader):
             return new_value
         if new_value is None or new_value == "":
             return old_value
+        if old_value == new_value:
+            return new_value
         logger.warn(
             "Contradicting entries in csv file for column: " + column_name + "(" + new_value + "," + old_value +
             "). Latest value will be used")
diff --git a/smash/web/tests/data/tns_subjects_import.csv b/smash/web/tests/data/tns_subjects_import.csv
index 4ae65947d840665eaec52d4320b35be5f57397e1..05a910ed57ca0a3b8a63045afbe18b721e1f8fb3 100644
--- a/smash/web/tests/data/tns_subjects_import.csv
+++ b/smash/web/tests/data/tns_subjects_import.csv
@@ -1,4 +1,4 @@
 donor_id;firstname;lastname;dateofbirth;phonenr;treatingphysician;sig_firstname;sig_lastname;representative
 cov-000111;John;Doe;01/01/1977;555555;Gregory House;John;Doe;Mario Doe
-cov-222333;John2;Doe2;01/02/1977;621000000;Gregory House2;John 2;Doe 2;
-cov-444444;John2;Doe2;01/03/1977;691000000;Gregory House3;John 3;Doe 3;Elsa Doe
\ No newline at end of file
+cov-222333;John2;Doe2;01/02/1977;621000000;Gregory House2;John2;Doe2;
+cov-444444;John2;Doe2;01/03/1977;691000000;Gregory House3;John2;Doe2;Elsa Doe
\ No newline at end of file
diff --git a/smash/web/tests/importer/test_tns_csv_subject_import_reader.py b/smash/web/tests/importer/test_tns_csv_subject_import_reader.py
index a713f5b1b581491bda3ecebcbeaf859edede4a62..f81ec8f52c6bfcbc1daa8670d5f5a0922ff479c5 100644
--- a/smash/web/tests/importer/test_tns_csv_subject_import_reader.py
+++ b/smash/web/tests/importer/test_tns_csv_subject_import_reader.py
@@ -6,12 +6,20 @@ from django.test import TestCase
 
 from web.importer import TnsCsvSubjectImportReader
 from web.tests.functions import get_resource_path
+from web.importer import MsgCounterHandler
 
 logger = logging.getLogger(__name__)
 
 
 class TestTnsCsvSubjectReader(TestCase):
 
+    def setUp(self):
+        self.warning_counter = MsgCounterHandler()
+        logging.getLogger('').addHandler(self.warning_counter)
+
+    def tearDown(self):
+        logging.getLogger('').removeHandler(self.warning_counter)
+
     def test_load_data(self):
         filename = get_resource_path('tns_subjects_import.csv')
         study_subjects = TnsCsvSubjectImportReader().load_data(filename)
@@ -29,3 +37,10 @@ class TestTnsCsvSubjectReader(TestCase):
         self.assertEqual(1977, study_subject.subject.date_born.year)
 
         self.assertIsNotNone(study_subject.study)
+        self.assertEqual(0, self.get_warnings_count())
+
+    def get_warnings_count(self):
+        if "WARNING" in self.warning_counter.level2count:
+            return self.warning_counter.level2count["WARNING"]
+        else:
+            return 0
diff --git a/smash/web/tests/importer/test_tns_csv_visit_import_reader.py b/smash/web/tests/importer/test_tns_csv_visit_import_reader.py
index ae7c1a04ccdf1857554f10e65c886f335e57f790..44b62187a96d6cbb78f58dc9249609a6cbb9bc1a 100644
--- a/smash/web/tests/importer/test_tns_csv_visit_import_reader.py
+++ b/smash/web/tests/importer/test_tns_csv_visit_import_reader.py
@@ -132,7 +132,6 @@ class TestTnsCsvSubjectReader(TestCase):
 
         self.assertEquals(1, self.get_warnings_count())
 
-
     def get_warnings_count(self):
         if "WARNING" in self.warning_counter.level2count:
             return self.warning_counter.level2count["WARNING"]