diff --git a/includes/form.inc b/includes/form.inc
index 543fd22..18755c1 100644
--- a/includes/form.inc
+++ b/includes/form.inc
@@ -37,6 +37,16 @@ function upei_roblib_ill_form($form, &$form_state) {
  *   An array containing the Drupal form state.
  */
 function upei_roblib_ill_form_validate($form, &$form_state) {
+  module_load_include('inc', 'upei_roblib_ill', 'includes/relais');
+  if ($form_state['step'] == 'upei_roblib_ill_auth_form') {
+    $aid = upei_roblib_ill_authenticate($form_state['values']['campus_id'], $form_state['values']['Surname']);
+    if (is_array($aid) && isset($aid['Problem']['Message'])) {
+      form_set_error('Surname', $aid['Problem']['Message']);
+    }
+    else {
+      $form_state['storage']['aid'] = $aid;
+    }
+  }
   if ($form_state['step'] == 'upei_roblib_ill_request_form' && empty($form_state['values']['doi']) && empty($form_state['values']['Title']) &&
     empty($form_state['values']['ArticleTitle'])
   ) {
@@ -54,7 +64,7 @@ function upei_roblib_ill_form_validate($form, &$form_state) {
  *   An array containing the Drupal form state.
  */
 function upei_roblib_ill_form_submit($form, &$form_state) {
-  module_load_include('inc', 'upei_roblib_ill', 'includes/relais');
+
   $form_state['storage'][$form_state['step']] = $form_state['values'];
   switch ($form_state['step']) {
     case 'upei_roblib_ill_request_form':
@@ -65,8 +75,7 @@ function upei_roblib_ill_form_submit($form, &$form_state) {
       break;
     case 'upei_roblib_ill_auth_form':
       //process the form
-      $aid = upei_roblib_ill_authenticate($form_state['values']['campus_id']);
-      $response = upei_roblib_ill_add_request($form_state, $aid);
+      $response = upei_roblib_ill_add_request($form_state, $form_state['storage']['aid']);
       $form_state['redirect'] = array(
         'upei/roblib/ill/finished',
         array(
@@ -89,12 +98,10 @@ function upei_roblib_ill_form_redirect() {
   //TODO phone number, email etc. could be variables read from the database.
   $std_message = "<div class='upei-roblib-ill-message'>To contact the department about this request, you can send a message to <a href='mailto:ill@upei.ca'>ill@upei.ca</a> or 
 call 902-566-0445</div>";
-  return "<div class='upei-roblib-ill-relais-message'>" . $_GET['message'] . '</div>'. $std_message;
+  return "<div class='upei-roblib-ill-relais-message'>" . $_GET['message'] . '</div>' . $std_message;
 }
 
 
-
-
 /**
  * The patron portion of the ILL form.
  *
diff --git a/includes/relais.inc b/includes/relais.inc
index e6f6ab2..3d36bb3 100644
--- a/includes/relais.inc
+++ b/includes/relais.inc
@@ -45,7 +45,7 @@ function upei_roblib_ill_add_request($form_state, $aid) {
   if(!isset($aid) || is_array($aid)) {
     upei_roblib_ill_log_request($relais_arr, $aid);
     drupal_set_message(t('Error retrieving authentication token, @message', array('@message' => $aid['Problem']['Message'])), 'error');
-    return array('ConfirmMessage' => $aid['Problem']['Message'] . ' You may have entered an incorrect Campus ID');
+    return array('ConfirmMessage' =>  t('There was an error processing your request, @msg', array('@msg' => $aid['Problem']['Message'])));
   }
   $result = drupal_http_request($url . '?aid=' . $aid, $options);
   module_load_include('inc', 'upei_roblib_ill', 'includes/db');
@@ -65,7 +65,7 @@ function upei_roblib_ill_add_request($form_state, $aid) {
  * @return string/array
  *   Returns a Relais authentication id (token) or an array containing the Relais response error which should include the error message if authentication fails
  */
-function upei_roblib_ill_authenticate($barcode) {
+function upei_roblib_ill_authenticate($barcode, $surname) {
   $url = variable_get('upei_roblib_ill_auth_url', 'https://caul-cbua.relais-host.com/portal-service/user/authentication');
   $json_arr = array();
   $json_arr['ApiKey'] = variable_get('upei_roblib_ill_relais_key');
@@ -80,14 +80,20 @@ function upei_roblib_ill_authenticate($barcode) {
     'headers' => array('Content-Type' => 'application/json'),
   );
   $result = drupal_http_request($url, $options);
+  if($result->code != '200') {
+    $response_data['Problem']['Message'] = $result->error;
+    return $response_data;
+  }
   $response_data = json_decode($result->data, TRUE);
   if ($result->code == '200') {
-    if (isset($response_data['Problem'])) {
+    if (isset($response_data['Problem']) || $response_data['LastName'] !== $surname) {
+      $err_message = isset($response_data['Problem']['Message']) ? $response_data['Problem']['Message'] : '';
+      $err_message .= t( '  Your Campus ID could be incorrect or your Last Name does not match what is stored in the profile for the user with the specified Campus ID');
+      $response_data['Problem']['Message'] = $err_message;
       return $response_data;
     }
     $aid = $response_data['AuthorizationId'];
   }
   return isset($aid) ? $aid : $response_data;
-
 }