diff --git a/castellum/castellum_auth/fixtures/groups.json b/castellum/castellum_auth/fixtures/groups.json
index bbbe6e54483045fad824a04f3d85624fe4129119..0760eefac6d1db28648b4fe82049614d65737717 100644
--- a/castellum/castellum_auth/fixtures/groups.json
+++ b/castellum/castellum_auth/fixtures/groups.json
@@ -52,6 +52,11 @@
                 "recruit",
                 "recruitment",
                 "participation"
+            ],
+            [
+                "change_appointment",
+                "recruitment",
+                "appointment"
             ]
         ]
     }
@@ -66,6 +71,11 @@
                 "conduct_study",
                 "recruitment",
                 "participation"
+            ],
+            [
+                "change_appointment",
+                "recruitment",
+                "appointment"
             ]
         ]
     }
diff --git a/castellum/execution/templates/execution/participation_appointments.html b/castellum/execution/templates/execution/participation_appointments.html
index aee26fd53e86f5153f0fde9d6317cf958ee2cbdf..a2b71a553853beda962278f9a47e5210703a7c09 100644
--- a/castellum/execution/templates/execution/participation_appointments.html
+++ b/castellum/execution/templates/execution/participation_appointments.html
@@ -1,5 +1,5 @@
 {% extends "execution/participation_base.html" %}
-{% load i18n bootstrap4 utils %}
+{% load i18n auth bootstrap4 utils %}
 
 {% block content %}
     <dl>
@@ -25,7 +25,10 @@
         {% endfor %}
     </dl>
 
-    <div class="d-print-none mb-3">
-        <a href="{% url 'execution:participation-appointments-update' study.pk participation.pk %}" class="btn btn-secondary">{% translate 'Update' %}</a>
-    </div>
+    {% has_perm 'recruitment.change_appointment' user study as can_change_appointment %}
+    {% if can_change_appointment %}
+        <div class="d-print-none mb-3">
+            <a href="{% url 'execution:participation-appointments-update' study.pk participation.pk %}" class="btn btn-secondary">{% translate 'Update' %}</a>
+        </div>
+    {% endif %}
 {% endblock %}
diff --git a/castellum/execution/templates/execution/participation_appointments_form.html b/castellum/execution/templates/execution/participation_appointments_form.html
index faa487f0ba0870db13dd294bf41201592502375b..be89cbb7c9e9d9d8d17eb5075559fdf36cca6cd5 100644
--- a/castellum/execution/templates/execution/participation_appointments_form.html
+++ b/castellum/execution/templates/execution/participation_appointments_form.html
@@ -27,7 +27,7 @@
         {% endfor %}
 
         <div class="d-print-none mb-3">
-            <a href="{% url 'execution:calendar' study.pk %}" class="btn btn-secondary" data-js="popup">{% translate 'Calendar' %}</a>
+            <a href="{% url 'recruitment:calendar' study.pk %}" class="btn btn-secondary" data-js="popup">{% translate 'Calendar' %}</a>
         </div>
 
         <div class="d-print-none mb-3">
diff --git a/castellum/execution/templates/execution/participation_base.html b/castellum/execution/templates/execution/participation_base.html
index 5b86d58dd24056dbf5d214981a58a1f2afe63e51..1ba76987bbaca0fc10495c950064966f956475f7 100644
--- a/castellum/execution/templates/execution/participation_base.html
+++ b/castellum/execution/templates/execution/participation_base.html
@@ -1,5 +1,5 @@
 {% extends "execution/base.html" %}
-{% load i18n auth %}
+{% load i18n %}
 
 {% block title %}{{ study }} &middot; {{ block.super }}{% endblock %}
 
diff --git a/castellum/execution/views.py b/castellum/execution/views.py
index b8bdd2e76ecc59454730eca890dd2edf63256ea8..e5c64133c1eb45e3f4c084f3c526fc98823b852e 100644
--- a/castellum/execution/views.py
+++ b/castellum/execution/views.py
@@ -142,6 +142,7 @@ class ParticipationAppointmentsView(ParticipationDetailMixin, DetailView):
 
 class ParticipationAppointmentsUpdateView(ParticipationDetailMixin, UpdateView):
     template_name = 'execution/participation_appointments_form.html'
+    permission_required = ['recruitment.conduct_study', 'recruitment.change_appointment']
     form_class = AppointmentsForm
     tab = 'appointments'
 
diff --git a/castellum/recruitment/feeds.py b/castellum/recruitment/feeds.py
index ba551e249ee70184a304069b98e41596a1f93bd5..b6f22d689c46960d99c049707dc40f0e8f0522e8 100644
--- a/castellum/recruitment/feeds.py
+++ b/castellum/recruitment/feeds.py
@@ -62,7 +62,7 @@ class FollowUpFeedForUser(BaseFollowUpFeed):
 class AppointmentFeed(BaseAppointmentFeed):
     def get_object(self, request, *args, **kwargs):
         study = get_object_or_404(Study, pk=kwargs['pk'], status=Study.EXECUTION)
-        perms = ['recruitment.recruit', 'studies.access_study']
+        perms = ['recruitment.change_appointment', 'studies.access_study']
         if not self.request.user.has_perms(perms, obj=study):
             raise PermissionDenied
         return study
diff --git a/castellum/recruitment/forms.py b/castellum/recruitment/forms.py
index 5f20df56771f32b0bfa05e4e6d4d2b8ffac64f4e..2918ecbdc7986f389988e7fed8a8dab5d177d94a 100644
--- a/castellum/recruitment/forms.py
+++ b/castellum/recruitment/forms.py
@@ -267,7 +267,7 @@ class AppointmentsForm(forms.ModelForm):
                 yield self[name]
 
 
-class ContactForm(AppointmentsForm):
+class ContactForm(forms.ModelForm):
     class Meta:
         model = Participation
         fields = ['status', 'followup_date', 'followup_time', 'exclusion_criteria_checked']
@@ -290,6 +290,10 @@ class ContactForm(AppointmentsForm):
             self.fields['status'].widget.disabled_choices = [Participation.INVITED]
 
 
+class ContactAndAppointmentsForm(ContactForm, AppointmentsForm):
+    pass
+
+
 class SendMailForm(forms.Form):
     batch_size = forms.IntegerField(
         min_value=1, label=_('How many subjects do you want to contact?')
diff --git a/castellum/recruitment/templates/recruitment/contact.html b/castellum/recruitment/templates/recruitment/contact.html
index 6d06ce8ef2644899c4770c394afad9aa30afc71c..ac8c55204be6fd2583d5d65cecdca01331caf551 100644
--- a/castellum/recruitment/templates/recruitment/contact.html
+++ b/castellum/recruitment/templates/recruitment/contact.html
@@ -36,6 +36,8 @@
         </div>
     {% endif %}
 
+    {% has_perm 'recruitment.change_appointment' user study as can_change_appointment %}
+
     <ul class="nav nav-tabs justify-content-center" role="tablist">
         <li class="nav-item">
             <a class="nav-link active" id="contact-tab" data-toggle="tab" href="#contact" role="tab" aria-controls="contact" aria-selected="true">{% translate "Contacting details" %}</a>
@@ -51,7 +53,7 @@
                 </a>
             </li>
         {% endif %}
-        {% if study.studysession_set.exists %}
+        {% if can_change_appointment and study.studysession_set.exists %}
             <li class="nav-item">
                 <a class="nav-link" id="appointments-tab" data-toggle="tab" href="#appointments" role="tab" aria-controls="appointments" aria-selected="false">
                     {% translate 'Appointments' %}
@@ -160,28 +162,30 @@
                 </div>
             {% endif %}
 
-            <div class="tab-pane" id="appointments" role="tabpanel" aria-labelledby="appointments-tab">
-                {% if study.session_instructions %}
-                    {{ study.session_instructions|linebreaks }}
-                {% endif %}
+            {% if can_change_appointment %}
+                <div class="tab-pane" id="appointments" role="tabpanel" aria-labelledby="appointments-tab">
+                    {% if study.session_instructions %}
+                        {{ study.session_instructions|linebreaks }}
+                    {% endif %}
 
-                <dl class="row">
-                    <dt class="col-sm-6">{{ study|verbose_name:'sessions_start' }}</dt>
-                    <dd class="col-sm-6">
-                        <time id="sessions-start" datetime="{{ study.sessions_start|date:'c' }}">{{ study|display:'sessions_start' }}</time>
-                    </dd>
+                    <dl class="row">
+                        <dt class="col-sm-6">{{ study|verbose_name:'sessions_start' }}</dt>
+                        <dd class="col-sm-6">
+                            <time id="sessions-start" datetime="{{ study.sessions_start|date:'c' }}">{{ study|display:'sessions_start' }}</time>
+                        </dd>
 
-                    <dt class="col-sm-6">{{ study|verbose_name:'sessions_end' }}</dt>
-                    <dd class="col-sm-6">
-                        <time id="sessions-end" datetime="{{ study.sessions_end|date:'c' }}">{{ study|display:'sessions_end' }}</time>
-                    </dd>
-                </dl>
+                        <dt class="col-sm-6">{{ study|verbose_name:'sessions_end' }}</dt>
+                        <dd class="col-sm-6">
+                            <time id="sessions-end" datetime="{{ study.sessions_end|date:'c' }}">{{ study|display:'sessions_end' }}</time>
+                        </dd>
+                    </dl>
 
-                {% for field in form.appointments %}
-                    {% bootstrap_field field %}
-                {% endfor %}
-                <a href="{% url 'recruitment:calendar' study.pk %}" class="btn btn-secondary" data-js="popup">{% translate 'Calendar' %}</a>
-            </div>
+                    {% for field in form.appointments %}
+                        {% bootstrap_field field %}
+                    {% endfor %}
+                    <a href="{% url 'recruitment:calendar' study.pk %}" class="btn btn-secondary" data-js="popup">{% translate 'Calendar' %}</a>
+                </div>
+            {% endif %}
         </div>
 
         {% include 'utils/form_errors.html' with form=form %}
diff --git a/castellum/recruitment/views.py b/castellum/recruitment/views.py
index f0ac228fc4f7ea283ae20aa25886b0bb5ecdf662..e9b87d254b5d944c39bfd6055b0af2cce7487e6a 100644
--- a/castellum/recruitment/views.py
+++ b/castellum/recruitment/views.py
@@ -45,6 +45,7 @@ from castellum.subjects.mixins import BaseDataProtectionUpdateView
 from castellum.utils import cached_request
 from castellum.utils import contrast_color
 
+from .forms import ContactAndAppointmentsForm
 from .forms import ContactForm
 from .mixins import BaseAttributeSetUpdateView
 from .mixins import BaseCalendarView
@@ -284,11 +285,16 @@ class MailRecruitmentView(BaseMailRecruitmentView):
 
 class ContactView(ParticipationMixin, PermissionRequiredMixin, UpdateView):
     model = Participation
-    form_class = ContactForm
     template_name = 'recruitment/contact.html'
     permission_required = 'recruitment.recruit'
     study_status = [Study.EXECUTION]
 
+    def get_form_class(self):
+        if self.request.user.has_perm('recruitment.change_appointment', self.study):
+            return ContactAndAppointmentsForm
+        else:
+            return ContactForm
+
     def get_initial(self):
         initial = super().get_initial()
         if not self.object.match:
@@ -321,7 +327,8 @@ class ContactView(ParticipationMixin, PermissionRequiredMixin, UpdateView):
 
     def form_valid(self, form):
         response = super().form_valid(form)
-        send_appointment_notifications(self.request, self.object, form.appointment_changes)
+        if isinstance(form, ContactAndAppointmentsForm):
+            send_appointment_notifications(self.request, self.object, form.appointment_changes)
         return response
 
 
@@ -359,7 +366,7 @@ class AdditionalInfoUpdateView(RecruitmentUpdateMixin, BaseAdditionalInfoUpdateV
 
 class CalendarView(StudyMixin, PermissionRequiredMixin, BaseCalendarView):
     model = Study
-    permission_required = 'recruitment.recruit'
+    permission_required = 'recruitment.change_appointment'
     study_status = [Study.EXECUTION]
     nochrome = True
     feed = 'recruitment:calendar-feed'
diff --git a/tests/recruitment/views/test_contact_view.py b/tests/recruitment/views/test_contact_view.py
index bb2c360ec5fc5b50d236390d81190dbfe0174262..ef2b591d975888d2a98134f8c872da2fc7b14686 100644
--- a/tests/recruitment/views/test_contact_view.py
+++ b/tests/recruitment/views/test_contact_view.py
@@ -1,12 +1,17 @@
+import datetime
+
+from django.contrib.auth.models import Permission
 from django.utils import timezone
 
 import pytest
 from model_bakery import baker
 
+from castellum.castellum_auth.models import User
 from castellum.recruitment.models import Appointment
 from castellum.recruitment.models import Participation
 from castellum.studies.models import Resource
 from castellum.studies.models import Study
+from castellum.studies.models import StudyMembership
 from castellum.studies.models import StudySession
 
 
@@ -194,3 +199,33 @@ def test_appointment_resource_overlap_ignore_not_invited(client, member, partici
         'appointment-%i_1' % session.pk: '12:00',
     })
     assert response.status_code == 302
+
+
+def test_appointment_change_appointment_permission(client, member, participation):
+    future = timezone.now() + datetime.timedelta(days=10000)
+    user = baker.make(User, expiration_date=future, email='test@example.com')
+    user.user_permissions.add(Permission.objects.get(codename='privacy_level_1'))
+    user.user_permissions.add(Permission.objects.get(codename='recruit'))
+    StudyMembership.objects.create(user=user, study=participation.study)
+
+    session = baker.make(StudySession, study=participation.study, duration=60)
+
+    url = '/recruitment/{}/{}/'.format(participation.study.pk, participation.pk)
+
+    client.force_login(user)
+    response = client.post(url, {
+        'status': 2,
+        'appointment-%i_0' % session.pk: '2020-01-01',
+        'appointment-%i_1' % session.pk: '12:00',
+    })
+    assert response.status_code == 302
+    assert not participation.appointment_set.exists()
+
+    client.force_login(member)
+    response = client.post(url, {
+        'status': 2,
+        'appointment-%i_0' % session.pk: '2020-01-01',
+        'appointment-%i_1' % session.pk: '12:00',
+    })
+    assert response.status_code == 302
+    assert participation.appointment_set.exists()