diff --git a/MySU/settings/production.py b/MySU/settings/production.py
index 8072485f8428f7fcfcb1f7a93362aa64cfa800fb..e0fb42e819f507f205e8d6eedb34697132f6b68c 100644
--- a/MySU/settings/production.py
+++ b/MySU/settings/production.py
@@ -14,7 +14,7 @@ SECURE_HSTS_PRELOAD = True
 
 ALLOWED_HOSTS = ['api.sun.utwente.nl', 'sun.utwente.nl', 'my.su.utwente.nl']
 
-SITE_URL = 'https://api.sun.utwente.nl'
+SITE_URL = 'https://my.su.utwente.nl/api'
 
 CORS_ORIGIN_ALLOW_ALL = True
 CORS_ALLOW_CREDENTIALS = True
diff --git a/apps/MySU/admin/__init__.py b/apps/MySU/admin/__init__.py
index d6d05467cbf7b6b7364b4c3ded18794aa06d230d..cc631f7fa57a15ddf2cc994365f1341829f5c856 100644
--- a/apps/MySU/admin/__init__.py
+++ b/apps/MySU/admin/__init__.py
@@ -4,6 +4,7 @@ from .association import AssociationAdmin
 from .association_membership import AssociationMembershipAdmin
 from .association_specific_data import AssociationSpecificDataAdmin
 from .association_specific_data_fields import AssociationSpecificDataFieldsAdmin
+from .banner import Banner
 from .group_membership import GroupMembershipAdmin
 from .group_object_permission import GroupObjectPermissionAdmin
 from .institution import InstitutionAdmin
diff --git a/apps/MySU/admin/banner.py b/apps/MySU/admin/banner.py
new file mode 100755
index 0000000000000000000000000000000000000000..9165599c5ddd0fd679058cce71118ce70ed6acac
--- /dev/null
+++ b/apps/MySU/admin/banner.py
@@ -0,0 +1,12 @@
+from django.contrib import admin
+
+from apps.MySU.models import Banner
+
+
+@admin.register(Banner)
+class BannerAdmin(admin.ModelAdmin):
+    list_display = (
+        'from_date',
+        'till_date',
+        'message'
+    )
diff --git a/apps/MySU/admin/profile.py b/apps/MySU/admin/profile.py
index 3df000d26996e137e198aaf18c07186d385df452..35819bf12fbbd6ea274b36f71898b68916ecaf7d 100644
--- a/apps/MySU/admin/profile.py
+++ b/apps/MySU/admin/profile.py
@@ -360,6 +360,5 @@ class ProfileAdmin(ImportExportModelAdmin, SimpleHistoryAdmin):
     )
 
     list_filter = (
-        'is_osiris',
-        'profilename'
+        'profilename',
     )
diff --git a/apps/MySU/fixtures/preset/association_memberships.json b/apps/MySU/fixtures/preset/association_memberships.json
index 588e06f0b9f9d0b845a7b258150a2faec2f91f00..28bbd0f78b199916f254a94606ef634671e8bb2d 100644
--- a/apps/MySU/fixtures/preset/association_memberships.json
+++ b/apps/MySU/fixtures/preset/association_memberships.json
@@ -10,6 +10,7 @@
             "type": 1,
             "date_left": null,
             "date_joined": "2015-08-24",
+            "last_modified": "2015-08-24",
             "status": "Accepted",
             "current": true
         }
@@ -26,6 +27,7 @@
             "type": 1,
             "date_left": null,
             "date_joined": "2015-04-26",
+            "last_modified": "2015-04-26",
             "status": "Accepted",
             "current": true
         }
@@ -41,6 +43,7 @@
             "type": 1,
             "date_left": null,
             "date_joined": "2014-04-06",
+            "last_modified": "2015-08-24",
             "status": "Accepted",
             "current": true
         }
@@ -56,6 +59,7 @@
             "type": 2,
             "date_left": null,
             "date_joined": "2015-01-16",
+            "last_modified": "2016-01-14",
             "status": "Accepted",
             "current": true
         }
@@ -71,6 +75,7 @@
             "type": 2,
             "date_left": null,
             "date_joined": "2019-04-19",
+            "last_modified": "2020-08-24",
             "status": "Accepted",
             "current": true
         }
@@ -86,6 +91,7 @@
             "type": 3,
             "date_left": null,
             "date_joined": "2014-02-27",
+            "last_modified": "2017-12-07",
             "status": "Claimed",
             "current": true
         }
@@ -101,6 +107,7 @@
             "type": 2,
             "date_left": null,
             "date_joined": "2016-05-11",
+            "last_modified": "2017-08-24",
             "status": "Claimed",
             "current": true
         }
@@ -116,6 +123,7 @@
             "type": 3,
             "date_left": null,
             "date_joined": "2016-01-04",
+            "last_modified": "2016-08-24",
             "status": "Pending",
             "current": false
         }
@@ -131,6 +139,7 @@
             "type": 1,
             "date_left": null,
             "date_joined": "2016-01-04",
+            "last_modified": "2016-02-09",
             "status": "Claimed"
         }
     }
diff --git a/apps/MySU/fixtures/preset/association_specific_data.json b/apps/MySU/fixtures/preset/association_specific_data.json
index d41ec6ae67d9225b784afaf20c8cc00b18bc9548..a8fcb27902d75fc3c6bb807de4cbbfe2797c4ab9 100644
--- a/apps/MySU/fixtures/preset/association_specific_data.json
+++ b/apps/MySU/fixtures/preset/association_specific_data.json
@@ -4,6 +4,7 @@
         "pk": 1,
         "fields": {
             "slug": "1db97210-f323-4fe2-bfc6-10d1c048cb67",
+            "last_modified": "2020-08-24",
             "association": 1,
             "membership": 2,
             "data_field": 1,
@@ -15,6 +16,7 @@
         "pk": 2,
         "fields": {
             "slug": "2090a295-6cdd-44b5-b774-3418670d739e",
+            "last_modified": "2020-08-24",
             "association": 1,
             "membership": 2,
             "data_field": 2,
@@ -26,6 +28,7 @@
         "pk": 3,
         "fields": {
             "slug": "a6ecf7e1-e986-4595-9b3d-860041a1c98f",
+            "last_modified": "2020-08-24",
             "association": 1,
             "membership": 2,
             "data_field": 3,
@@ -37,6 +40,7 @@
         "pk": 4,
         "fields": {
             "slug": "8d90d484-1d76-495a-a167-465352671c19",
+            "last_modified": "2020-08-24",
             "association": 2,
             "membership": 5,
             "data_field": 4,
@@ -48,6 +52,7 @@
         "pk": 5,
         "fields": {
             "slug": "04672188-e7e9-43d4-9b2c-6acb6241c19b",
+            "last_modified": "2020-08-24",
             "association": 2,
             "membership": 5,
             "data_field": 5,
@@ -59,6 +64,7 @@
         "pk": 6,
         "fields": {
             "slug": "1fcd6c07-075f-4613-8bf8-16d4ec38fabf",
+            "last_modified": "2020-08-24",
             "association": 3,
             "membership": 8,
             "data_field": 6,
diff --git a/apps/MySU/fixtures/preset/board_association_memberships.json b/apps/MySU/fixtures/preset/board_association_memberships.json
index c06b2ace3bff3aefe95645ecf625e2d5fe08b71c..93ab748af0e0427c82c03ff3f30a3451cbde929d 100644
--- a/apps/MySU/fixtures/preset/board_association_memberships.json
+++ b/apps/MySU/fixtures/preset/board_association_memberships.json
@@ -9,7 +9,8 @@
             "association": 1,
             "type": 1,
             "date_left": null,
-            "date_joined": "2017-05-06"
+            "date_joined": "2017-05-06",
+            "last_modified": "2020-08-24"
         }
     },
     {
@@ -22,7 +23,8 @@
             "association": 1,
             "type": 1,
             "date_left": null,
-            "date_joined": "2016-05-19"
+            "date_joined": "2016-05-19",
+            "last_modified": "2020-08-24"
         }
     },
     {
@@ -35,7 +37,8 @@
             "association": 2,
             "type": 1,
             "date_left": null,
-            "date_joined": "2018-10-08"
+            "date_joined": "2018-10-08",
+            "last_modified": "2020-08-24"
         }
     },
     {
@@ -48,7 +51,8 @@
             "association": 2,
             "type": 1,
             "date_left": null,
-            "date_joined": "2017-06-07"
+            "date_joined": "2017-06-07",
+            "last_modified": "2020-08-24"
         }
     },
     {
@@ -61,7 +65,8 @@
             "association": 2,
             "type": 1,
             "date_left": null,
-            "date_joined": "2014-08-30"
+            "date_joined": "2014-08-30",
+            "last_modified": "2020-08-24"
         }
     },
     {
@@ -74,7 +79,8 @@
             "association": 3,
             "type": 1,
             "date_left": null,
-            "date_joined": "2012-10-28"
+            "date_joined": "2012-10-28",
+            "last_modified": "2020-08-24"
         }
     },
     {
@@ -87,7 +93,8 @@
             "association": 3,
             "type": 1,
             "date_left": null,
-            "date_joined": "2019-08-29"
+            "date_joined": "2019-08-29",
+            "last_modified": "2020-08-24"
         }
     },
     {
@@ -100,7 +107,8 @@
             "association": 3,
             "type": 1,
             "date_left": null,
-            "date_joined": "2015-04-09"
+            "date_joined": "2015-04-09",
+            "last_modified": "2020-08-24"
         }
     }
 ]
diff --git a/apps/MySU/fixtures/preset/board_profiles.json b/apps/MySU/fixtures/preset/board_profiles.json
index 99d2a20fa3055390bd8b4c43b7a75a4ed6d28905..236f782ebc5f4ef68a24e9fc2d8363fe46070bbf 100644
--- a/apps/MySU/fixtures/preset/board_profiles.json
+++ b/apps/MySU/fixtures/preset/board_profiles.json
@@ -4,6 +4,7 @@
         "pk": 10003,
         "fields": {
             "profilename": "Noord-Holland 3",
+            "last_modified": "2020-08-24",
             "address": "Nikkisteeg 093",
             "zip_code": "2969BS",
             "city": "Oudkarspel",
@@ -25,6 +26,7 @@
         "pk": 10004,
         "fields": {
             "profilename": "Gelderland 4",
+            "last_modified": "2020-08-24",
             "address": "Isabelhof 6",
             "zip_code": "9149LN",
             "city": "Earnew\u00e2ld",
@@ -46,6 +48,7 @@
         "pk": 10006,
         "fields": {
             "profilename": "Noord-Brabant 6",
+            "last_modified": "2020-08-24",
             "address": "Guusboulevard 587",
             "zip_code": "4155 BJ",
             "city": "De Punt",
@@ -67,6 +70,7 @@
         "pk": 10007,
         "fields": {
             "profilename": "Noord-Holland 7",
+            "last_modified": "2020-08-24",
             "address": "Vaj\u00e8nweg 938",
             "zip_code": "2059BU",
             "city": "Vogelwaarde",
@@ -88,6 +92,7 @@
         "pk": 10008,
         "fields": {
             "profilename": "Limburg 8",
+            "last_modified": "2020-08-24",
             "address": "Naudpad 4",
             "zip_code": "4777 UX",
             "city": "Westbroek",
@@ -109,6 +114,7 @@
         "pk": 10009,
         "fields": {
             "profilename": "Friesland 9",
+            "last_modified": "2020-08-24",
             "address": "Annemijnsingel 09",
             "zip_code": "7241IW",
             "city": "Merselo",
@@ -130,6 +136,7 @@
         "pk": 10010,
         "fields": {
             "profilename": "Gelderland 10",
+            "last_modified": "2020-08-24",
             "address": "Sepboulevard 2",
             "zip_code": "1164 FH",
             "city": "Zuidlaarderveen",
@@ -151,6 +158,7 @@
         "pk": 10011,
         "fields": {
             "profilename": "Flevoland 11",
+            "last_modified": "2020-08-24",
             "address": "Rubenhof 12",
             "zip_code": "5330 BA",
             "city": "Luyksgestel",
diff --git a/apps/MySU/fixtures/preset/profile.json b/apps/MySU/fixtures/preset/profile.json
index bd62c9270ef7f210639c9d457b639ca7f70dadc7..2e4d2566aa6ff49cadbaefe5dca8c8aa2b0dc870 100644
--- a/apps/MySU/fixtures/preset/profile.json
+++ b/apps/MySU/fixtures/preset/profile.json
@@ -4,6 +4,7 @@
         "pk": 1,
         "fields": {
             "profilename": "Anonymised",
+            "last_modified": "2020-08-24",
             "address": "Anonymised",
             "zip_code": "Anonymised",
             "city": "Anonymised",
@@ -25,6 +26,7 @@
         "pk": 2,
         "fields": {
             "profilename": "Admin Profile",
+            "last_modified": "2020-08-24",
             "address": "Daniquestraat 33",
             "zip_code": "9623PO",
             "city": "Ven-Zelderheide",
@@ -46,6 +48,7 @@
         "pk": 3,
         "fields": {
             "profilename": "Board Profile",
+            "last_modified": "2020-08-24",
             "address": "Fienweg 212",
             "zip_code": "4658 GW",
             "city": "Winssen",
@@ -67,6 +70,7 @@
         "pk": 4,
         "fields": {
             "profilename": "Ordinary User Profile",
+            "last_modified": "2020-08-24",
             "address": "Dylanosingel 22",
             "zip_code": "4505 YB",
             "city": "Vlodrop",
@@ -89,6 +93,7 @@
         "pk": 5,
         "fields": {
             "profilename": "Ordinary User Profile 2",
+            "last_modified": "2020-08-24",
             "address": "Dylanosingel 22",
             "zip_code": "4505 YB",
             "city": "Vlodrop",
diff --git a/apps/MySU/migrations/0048_auto_20221021_0812.py b/apps/MySU/migrations/0048_auto_20221021_0812.py
new file mode 100644
index 0000000000000000000000000000000000000000..44354d71edad71c3adfe3710a4f0d4ea0ef73348
--- /dev/null
+++ b/apps/MySU/migrations/0048_auto_20221021_0812.py
@@ -0,0 +1,22 @@
+# Generated by Django 3.2.5 on 2022-10-21 08:12
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('MySU', '0047_associationmembership_rejected_email_send'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='profile',
+            name='is_osiris',
+        ),
+        migrations.AddField(
+            model_name='profile',
+            name='read_and_agreed_to_privacy_policy',
+            field=models.BooleanField(default=False),
+        ),
+    ]
diff --git a/apps/MySU/migrations/0049_auto_20230117_1949.py b/apps/MySU/migrations/0049_auto_20230117_1949.py
new file mode 100644
index 0000000000000000000000000000000000000000..ecda651d4dadc3e7addea7dab550c853b87dfd70
--- /dev/null
+++ b/apps/MySU/migrations/0049_auto_20230117_1949.py
@@ -0,0 +1,34 @@
+# Generated by Django 3.2.5 on 2023-01-17 19:49
+
+import datetime
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('MySU', '0048_auto_20221021_0812'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='associationmembership',
+            name='data_fields_last_modified',
+            field=models.DateTimeField(default=datetime.date.today, editable=False),
+        ),
+        migrations.AddField(
+            model_name='associationmembership',
+            name='last_modified',
+            field=models.DateTimeField(auto_now=True),
+        ),
+        migrations.AddField(
+            model_name='associationspecificdata',
+            name='last_modified',
+            field=models.DateTimeField(auto_now=True),
+        ),
+        migrations.AddField(
+            model_name='profile',
+            name='last_modified',
+            field=models.DateTimeField(auto_now=True),
+        ),
+    ]
diff --git a/apps/MySU/migrations/0050_banner.py b/apps/MySU/migrations/0050_banner.py
new file mode 100644
index 0000000000000000000000000000000000000000..cebea27c2039a1c82cdd10e607cfd74db05d31d1
--- /dev/null
+++ b/apps/MySU/migrations/0050_banner.py
@@ -0,0 +1,29 @@
+# Generated by Django 3.2.5 on 2023-05-17 09:17
+
+from django.db import migrations, models
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('MySU', '0049_auto_20230117_1949'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Banner',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('slug', models.SlugField(default=uuid.uuid4, editable=False)),
+                ('from_date', models.DateTimeField()),
+                ('till_date', models.DateTimeField()),
+                ('message', models.CharField(max_length=150)),
+            ],
+            options={
+                'verbose_name': 'Banner',
+                'verbose_name_plural': 'Banners',
+                'ordering': ['till_date'],
+            },
+        ),
+    ]
diff --git a/apps/MySU/models/__init__.py b/apps/MySU/models/__init__.py
index 93868d4e259f3c9c07a51ed3c9aa338681d3ca91..177f90dddeb7480e3c8b648fc202e093c04d3811 100644
--- a/apps/MySU/models/__init__.py
+++ b/apps/MySU/models/__init__.py
@@ -4,6 +4,7 @@ from .profile import Profile
 from .user import User
 from .association import Association
 from .association import Society
+from .banner import Banner
 from .membertype import MemberType
 from .association_membership import AssociationMembership
 from .association_specific_data_fields import AssociationSpecificDataFields
diff --git a/apps/MySU/models/association_membership.py b/apps/MySU/models/association_membership.py
index 1eb8bcd8ad387d0ecfb3646673b86c84c941ccea..4dce50d3757b365e18eba3c40fe13a503f91699e 100644
--- a/apps/MySU/models/association_membership.py
+++ b/apps/MySU/models/association_membership.py
@@ -141,6 +141,7 @@ class AssociationMembership(ComputedFieldsModel):
         DEBT_COLLECTION = "Debt collection", "Debt collection"
 
     slug = models.UUIDField(default=uuid.uuid4, editable=False)
+    last_modified = models.DateTimeField(auto_now=True)
     status = models.CharField(max_length=20, choices=Status.choices, default=Status.PENDING)
     pay_by = models.CharField(max_length=20, choices=PayBy.choices, default=PayBy.DEBT_COLLECTION)
     date_joined = models.DateField(default=datetime.date.today)
@@ -169,6 +170,10 @@ class AssociationMembership(ComputedFieldsModel):
     def current(self):
         return self.status in [self.Status.ACCEPTED, self.Status.DISPUTED, self.Status.CLAIMED]
 
+    @computed(models.DateTimeField(default=datetime.date.today), depends=[['specific_data', ['last_modified']]])
+    def data_fields_last_modified(self):
+        return max([data_field.last_modified for data_field in self.specific_data.all()], default=datetime.datetime.min)
+
     objects = AssociationMembershipManager()
 
     class Meta:
diff --git a/apps/MySU/models/association_specific_data.py b/apps/MySU/models/association_specific_data.py
index ec9538ac884f1d6cca9dfa591556f904db865f0a..c1b933b035ea071348a6f7ecd880495319670273 100644
--- a/apps/MySU/models/association_specific_data.py
+++ b/apps/MySU/models/association_specific_data.py
@@ -24,6 +24,7 @@ class AssociationSpecificData(models.Model):
     'Drivers licence'.
     """
     slug = models.SlugField(default=uuid.uuid4, editable=False)
+    last_modified = models.DateTimeField(auto_now=True)
     value = models.TextField(blank=True)
 
     association = models.ForeignKey(Association, related_name="specific_data", on_delete=models.CASCADE)
diff --git a/apps/MySU/models/banner.py b/apps/MySU/models/banner.py
new file mode 100755
index 0000000000000000000000000000000000000000..f6ca40426e90f53933b019aa732e5e854b983f4d
--- /dev/null
+++ b/apps/MySU/models/banner.py
@@ -0,0 +1,29 @@
+import uuid
+
+from django.db import models
+
+
+class BannerQuerySet(models.QuerySet):
+    pass
+
+
+class BannerManager(models.Manager):
+    def get_queryset(self):
+        return BannerQuerySet(self.model, using=self._db)
+
+
+class Banner(models.Model):
+    slug = models.SlugField(default=uuid.uuid4, editable=False)
+    from_date = models.DateTimeField()
+    till_date = models.DateTimeField()
+    message = models.CharField(max_length=150)
+
+    objects = BannerManager()
+
+    class Meta:
+        ordering = ["till_date"]
+        verbose_name = "Banner"
+        verbose_name_plural = "Banners"
+
+    def __str__(self):
+        return str(self.message)
diff --git a/apps/MySU/models/profile.py b/apps/MySU/models/profile.py
index e56e69723ea8568ce4c42319e4c16ea22deff4ad..c3ba8dabc76fb52f8891376f1018e5bd9beb81a0 100644
--- a/apps/MySU/models/profile.py
+++ b/apps/MySU/models/profile.py
@@ -40,6 +40,7 @@ class Profile(ContactInfo):
         OTHER = "Other", "Other"
 
     slug = models.SlugField(default=uuid.uuid4, editable=False)
+    last_modified = models.DateTimeField(auto_now=True)
     profilename = models.CharField(max_length=100, blank=True, default="Created by you")
     photo = models.ImageField(upload_to='profile/photo/', blank=True, null=True)
     student_number = models.CharField(max_length=100, blank=True, null=True)
@@ -50,8 +51,8 @@ class Profile(ContactInfo):
     dutch_speaking = models.BooleanField(default=True)
     gender = models.CharField(max_length=20, choices=Gender.choices, default=Gender.OTHER)
     date_of_birth = models.DateField(null=True, blank=True)
-    is_osiris = models.BooleanField(default=False)
     phase = models.CharField(max_length=20, choices=Phase.choices, default=Phase.BACHELOR)
+    read_and_agreed_to_privacy_policy = models.BooleanField(default=False)
 
     bank_account = models.ForeignKey('financial.BankAccount', related_name='profiles', on_delete=models.PROTECT, null=True, blank=True)
     user = models.ForeignKey('User', related_name='profiles', on_delete=models.PROTECT, null=True, blank=True)
diff --git a/apps/MySU/serializers/association_membership.py b/apps/MySU/serializers/association_membership.py
index 6c501002e769cc3506c8cf12d9fd051241e816bf..9fb45aaf85a639b2a71868a5f26169717007255c 100644
--- a/apps/MySU/serializers/association_membership.py
+++ b/apps/MySU/serializers/association_membership.py
@@ -37,7 +37,8 @@ class AssociationMembershipSerializerBase(FlexFieldsModelSerializer, serializers
         model = AssociationMembership
         fields = ('url', 'slug', 'profile', 'association', 'date_joined', 'date_left', 'current', 'new_type', 'pay_by',
                   'debt_collection_mandate_id', 'debt_collection_mandate_given', 'debt_collection_mandate_signature_date',
-                  'status', 'type', 'visible_after_date_left', 'specific_data', 'financial_obligations_satisfied')
+                  'status', 'type', 'visible_after_date_left', 'specific_data', 'financial_obligations_satisfied',
+                  'data_fields_last_modified', 'last_modified')
         extra_kwargs = {
             'url': {'lookup_field': 'slug'},
             'profile': {'lookup_field': 'slug'},
diff --git a/apps/MySU/serializers/mass_import.py b/apps/MySU/serializers/mass_import.py
index 18afa787e0be70049ea5b4e22c32a31bc80df3e5..2e318d555664f14a25b95ca6323a7b9eb8fade3d 100644
--- a/apps/MySU/serializers/mass_import.py
+++ b/apps/MySU/serializers/mass_import.py
@@ -20,7 +20,7 @@ class ProfileImportSerializer(mixins.CreateOnlyNestedSerializerMixin, BaseSerial
 
     class Meta:
         model = Profile
-        exclude = ('is_osiris', 'photo', 'user')
+        exclude = ('photo', 'user')
         nested_fields = ['user']
         lookup_field = 'slug'
         extra_kwargs = {
diff --git a/apps/MySU/serializers/profile.py b/apps/MySU/serializers/profile.py
index 5c71a1de984082ee6a0baa72abcca5740aca852d..26777c5520276f6b1eeb910047f173f3f3ae5444 100644
--- a/apps/MySU/serializers/profile.py
+++ b/apps/MySU/serializers/profile.py
@@ -34,7 +34,7 @@ class ProfileSerializer(FlexFieldsModelSerializer, serializers.HyperlinkedModelS
 
     class Meta:
         model = Profile
-        exclude = ('is_osiris', 'photo', 'user', 'bank_account')
+        exclude = ('user', 'bank_account')
         lookup_field = 'slug'
         extra_kwargs = {
             'url': {'lookup_field': 'slug'},
@@ -48,12 +48,6 @@ class ProfileSerializer(FlexFieldsModelSerializer, serializers.HyperlinkedModelS
             'study': StudySerializer
         }
 
-    def to_representation(self, instance):
-        representation = super(ProfileSerializer, self).to_representation(instance)
-        if instance.is_osiris:
-            self.Meta.read_only_fields = list(self.fields.keys())
-        return representation
-
     def update(self, instance: Profile, validated_data):
         bank_account = validated_data.pop("bank_account", None)
         if bank_account:
diff --git a/apps/MySU/views/__init__.py b/apps/MySU/views/__init__.py
index 64731ac79cd23fad3bc7150e4d700c157ea77711..a180d9c30ea89176ce2f67a0328dab005682dcca 100644
--- a/apps/MySU/views/__init__.py
+++ b/apps/MySU/views/__init__.py
@@ -1,6 +1,3 @@
-#from .disputed_membership_request_count import DisputedMembershipRequestCountView
-#from .incoming_membership_request_count import IncomingMembershipRequestCountView
-#from .leaving_member_count import LeavingMemberCountView
 from .membership_end import MembershipEndView
 from .membership_resolve import MembershipResolveView
 from .my_su_oidc_authentication_request import MySUOidcAuthenticationRequestView
diff --git a/apps/financial/migrations/0012_alter_membershipfee_payments.py b/apps/financial/migrations/0012_alter_membershipfee_payments.py
new file mode 100644
index 0000000000000000000000000000000000000000..e1844f7f7ec50f5772029912f6e3c06128bfaefd
--- /dev/null
+++ b/apps/financial/migrations/0012_alter_membershipfee_payments.py
@@ -0,0 +1,19 @@
+# Generated by Django 3.2.5 on 2023-01-17 19:49
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('financial', '0011_auto_20220112_1440'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='membershipfee',
+            name='payments',
+            field=models.PositiveIntegerField(help_text='Use the following format: <YYYY>', validators=[django.core.validators.MinValueValidator(1900), django.core.validators.MaxValueValidator(2023)]),
+        ),
+    ]
diff --git a/tests/MySU/association_specific_data.py b/tests/MySU/association_specific_data.py
index 67449fa325a1a11f8a700a7d2c56f13658197def..08e8893103fae0d44463194104e1438126aeec07 100644
--- a/tests/MySU/association_specific_data.py
+++ b/tests/MySU/association_specific_data.py
@@ -44,12 +44,12 @@ class AssociationSpecificDataTestCase(APITestCase):
         pass
 
     def test_list(self):
-        response = self.client.get('/association_data')
+        response = self.client.get('/association_data/?ordering=association')
         self.assertEqual(200, response.status_code, "Error: {}, Input: List of all specific data".format(response.data))
         self.assertEqual(response.data['count'], 5, msg="number of specific data doesn't match expected number of specific data")
         results = response.data['results']
-        self.assertEqual('http://testserver/associations/student-union', results[0]['association'], "Error: {}".format(response.data))
-        self.assertEqual('http://testserver/associations/student-union', results[1]['association'], "Error: {}".format(response.data))
-        self.assertEqual('http://testserver/associations/rising-sun-alienship-helios', results[2]['association'], "Error: {}".format(response.data))
+        self.assertEqual('http://testserver/associations/rising-sun-alienship-helios', results[0]['association'], "Error: {}".format(response.data))
+        self.assertEqual('http://testserver/associations/rising-sun-alienship-helios', results[1]['association'], "Error: {}".format(response.data))
+        self.assertEqual('http://testserver/associations/student-union', results[2]['association'], "Error: {}".format(response.data))
         self.assertEqual('http://testserver/associations/student-union', results[3]['association'], "Error: {}".format(response.data))
-        self.assertEqual('http://testserver/associations/rising-sun-alienship-helios', results[4]['association'], "Error: {}".format(response.data))
+        self.assertEqual('http://testserver/associations/student-union', results[4]['association'], "Error: {}".format(response.data))