diff --git a/apps/kassa/templates/kassa/register.html b/apps/kassa/templates/kassa/register.html
index ad3cf6a..5f00a8e 100644
--- a/apps/kassa/templates/kassa/register.html
+++ b/apps/kassa/templates/kassa/register.html
@@ -7,6 +7,7 @@
             {% csrf_token %}
             <h3>{% trans "Register card" %}</h3>
             <p><!--
+                Add no-user membership [DONE].
                 Add membership for new user and existing user.
                 Renew membership for existing user.
                 Register card to existing user [DONE].
@@ -19,8 +20,8 @@
             </div>
             {{ add_card_form|bootstrap }}
             <ul>
-                <li>If no existing membership can be found, a new membership is registered.</li>
-                <li>If an existing user is found, the membership is marked as renewed</li>
+                <li>If <em>no</em> existing user with membership can be found, <strong>a new membership is registered</strong> and tied to a card number.</li>
+                <li>If an existing user is found <em>without</em> a membership, it is <strong>renewed</strong></li>
                 <li>Registering a card number with a phone number already tied to an existing user, will add the card to that user.</li>
             </ul>
             <button id="register-submit-btn" type="submit" class="btn btn-primary btn-lg" disabled>{% trans "Register card" %}</button>
diff --git a/apps/kassa/utils.py b/apps/kassa/utils.py
new file mode 100644
index 0000000..218bffa
--- /dev/null
+++ b/apps/kassa/utils.py
@@ -0,0 +1,24 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+from django.conf import settings
+import json
+import requests
+
+
+def tekstmelding_new_card_no_user(card_number, phone_number):
+    payload = {
+        'phone_number': phone_number,
+        'card_number': card_number,
+        'action': 'new_card_no_user',
+    }
+
+    url = '{}kassa/notify-new-card'.format(settings.TEKSTMELDING_API_URL)
+    response = requests.post(
+        url,
+        data=json.dumps(payload),
+        params={'api_key': settings.TEKSTMELDING_API_KEY},
+        headers={'Content-Type': 'application/json'}
+    )
+
+    return response.json()
diff --git a/apps/kassa/views.py b/apps/kassa/views.py
index f768dff..2d69d23 100644
--- a/apps/kassa/views.py
+++ b/apps/kassa/views.py
@@ -10,6 +10,7 @@ import phonenumbers
 import requests
 
 from apps.kassa.forms import AddCardForm, SearchUserForm
+from apps.kassa.utils import tekstmelding_new_card_no_user
 
 
 @login_required
@@ -63,7 +64,7 @@ def check_phone_number(request):
         'api_key': settings.TEKSTMELDING_API_KEY,
         'number': number
     }
-    url = '{}kassa-pending-membership'.format(settings.TEKSTMELDING_API_URL)
+    url = '{}kassa/pending-membership'.format(settings.TEKSTMELDING_API_URL)
     tekstmelding_data = requests.get(url, params=payload).json()
 
     return JsonResponse({
@@ -85,7 +86,7 @@ def inside_card_api(request):
             'card_number': post_data.get('card_number'),
             'user_id': post_data.get('user_id'),
             'phone_number': post_data.get('phone_number'),
-            'type': post_data.get('type')  # renewal, new_user, new_card_only,
+            'action': post_data.get('action')  # new_card_no_user, update_card, renewal
         }
         response = requests.post(
             url,
@@ -93,6 +94,12 @@ def inside_card_api(request):
             params=params,
             headers=dict(content_type='application/json')
         )
+        # Send activation notification (link) to user by SMS
+        # FIXME: could be async
+        if response.status_code == 200 and payload['action'] == 'new_card_no_user':
+            card = response.json()['card']
+            # FIXME: ignores errors
+            tekstmelding_new_card_no_user(card_number=card['card_number'], phone_number=card['owner_phone_number'])
     else:
         params.update({
             'card_number': request.GET.get('card_number', '')
diff --git a/static/app/scripts/app.js b/static/app/scripts/app.js
index 5c1b980..9b5f186 100644
--- a/static/app/scripts/app.js
+++ b/static/app/scripts/app.js
@@ -270,6 +270,7 @@ $(document).ready(function(){
                 set_field_state(_dom.phoneNumberField, 'error', msg);
                 cardForm.fields.phoneNumber = false;
             } else {
+                set_field_state(_dom.phoneNumberField, 'success', '');
                 set_selected_user(null, true);
             }
 
@@ -317,7 +318,7 @@ $(document).ready(function(){
                 cardForm.fields.cardNumber = false;
                 set_field_state(_dom.cardNumberField, 'error', 'Cannot find card number in database.');
             }
-            else if(card && card.registered !== null) {
+            else if(card && card.registered !== "") {
                 var owner_string = 'phone number: '+ format_phone_number(card.owner_phone_number);
                 if(user) {
                     owner_string = 'existing user: ' + user.firstname + ' ' + user.lastname + ' (' + format_phone_number(user.number) + ')';
@@ -383,11 +384,9 @@ $(document).ready(function(){
 
     _dom.registerSubmitButton.on('click', function(e) {
         e.preventDefault();
-        // TODO on error output validation status
         // TODO on success:
         //  - print suggested steps ("You will now get an sms with a link")
         //  - show new user below form (hide/show after 10s)
-        //  - clear form
 
         if( !cardFormIsValid() ) {
             set_toast('Either phone number or card number is not valid', 'error');
@@ -398,13 +397,14 @@ $(document).ready(function(){
 
         /* Register type */
         // FIXME: get from form
+        // action: 'new_card_no_user', 'update_card', 'renewal'
         if(selectedUser === null) {
-            payload.type = 'new_card_only';
+            payload.action = 'new_card_no_user';
         } else {
             if(selectedUser.is_member === '1') {
-                payload.type = 'renewal';
+                payload.action = 'update_card';
             } else {
-                payload.type = 'new_user';
+                payload.action = 'renewal'; // Not: could also update card number
             }
         }
 
diff --git a/static/dist/scripts/app.js b/static/dist/scripts/app.js
index 5c1b980..9b5f186 100644
--- a/static/dist/scripts/app.js
+++ b/static/dist/scripts/app.js
@@ -270,6 +270,7 @@ $(document).ready(function(){
                 set_field_state(_dom.phoneNumberField, 'error', msg);
                 cardForm.fields.phoneNumber = false;
             } else {
+                set_field_state(_dom.phoneNumberField, 'success', '');
                 set_selected_user(null, true);
             }
 
@@ -317,7 +318,7 @@ $(document).ready(function(){
                 cardForm.fields.cardNumber = false;
                 set_field_state(_dom.cardNumberField, 'error', 'Cannot find card number in database.');
             }
-            else if(card && card.registered !== null) {
+            else if(card && card.registered !== "") {
                 var owner_string = 'phone number: '+ format_phone_number(card.owner_phone_number);
                 if(user) {
                     owner_string = 'existing user: ' + user.firstname + ' ' + user.lastname + ' (' + format_phone_number(user.number) + ')';
@@ -383,11 +384,9 @@ $(document).ready(function(){
 
     _dom.registerSubmitButton.on('click', function(e) {
         e.preventDefault();
-        // TODO on error output validation status
         // TODO on success:
         //  - print suggested steps ("You will now get an sms with a link")
         //  - show new user below form (hide/show after 10s)
-        //  - clear form
 
         if( !cardFormIsValid() ) {
             set_toast('Either phone number or card number is not valid', 'error');
@@ -398,13 +397,14 @@ $(document).ready(function(){
 
         /* Register type */
         // FIXME: get from form
+        // action: 'new_card_no_user', 'update_card', 'renewal'
         if(selectedUser === null) {
-            payload.type = 'new_card_only';
+            payload.action = 'new_card_no_user';
         } else {
             if(selectedUser.is_member === '1') {
-                payload.type = 'renewal';
+                payload.action = 'update_card';
             } else {
-                payload.type = 'new_user';
+                payload.action = 'renewal'; // Not: could also update card number
             }
         }