diff --git a/fet2020/finance/admin.py b/fet2020/finance/admin.py
index 1bd89874..007b7e11 100644
--- a/fet2020/finance/admin.py
+++ b/fet2020/finance/admin.py
@@ -2,8 +2,25 @@ from django.contrib import admin, messages
 from django.utils.safestring import mark_safe
 from django.utils.translation import ngettext
 
-from .forms import BankDataAdminForm, BillAdminForm, ResolutionAdminForm
-from .models import BankData, Bill, Resolution
+from .forms import (
+    BankDataAdminForm,
+    BillAdminForm,
+    BillInlineForm,
+    ResolutionAdminForm,
+    WirefAdminForm,
+)
+from .models import BankData, Bill, Resolution, Wiref
+
+
+class BillInline(admin.TabularInline):
+    form = BillInlineForm
+    model = Bill
+
+    can_delete = False
+    extra = 0
+    max_num = 0
+    readonly_fields = ("purpose", "amount", "file_field")
+    show_change_link = True
 
 
 class BankDataAdmin(admin.ModelAdmin):
@@ -15,6 +32,25 @@ class BankDataAdmin(admin.ModelAdmin):
         "iban",
     ]
 
+    def add_view(self, request, form_url="", extra_context=None):
+        extra_context = extra_context or {}
+        extra_context["help_text"] = "Fette Schriften sind Pflichtfelder."
+        return super().add_view(
+            request,
+            form_url,
+            extra_context=extra_context,
+        )
+
+    def change_view(self, request, object_id, form_url="", extra_context=None):
+        extra_context = extra_context or {}
+        extra_context["help_text"] = "Fette Schriften sind Pflichtfelder."
+        return super().change_view(
+            request,
+            object_id,
+            form_url,
+            extra_context=extra_context,
+        )
+
 
 class BillAdmin(admin.ModelAdmin):
     form = BillAdminForm
@@ -29,13 +65,12 @@ class BillAdmin(admin.ModelAdmin):
         "status_colored",
         "bill_creator",
         "affiliation",
-        "wiref_id",
     ]
 
     actions = ["make_cleared", "make_finished"]
     list_filter = ["status", "affiliation"]
-    search_fields = ["wiref_id", "purpose"]
     ordering = ["date_created"]
+    search_fields = ["purpose"]
 
     readonly_fields = ["get_bankdata_name", "get_bankdata_iban", "get_bankdata_bic"]
     fieldsets = (
@@ -77,7 +112,7 @@ class BillAdmin(admin.ModelAdmin):
             {
                 "fields": (
                     "comment",
-                    "wiref_id",
+                    "wiref",
                     "status",
                 )
             },
@@ -139,11 +174,13 @@ class BillAdmin(admin.ModelAdmin):
 
     def status_colored(self, obj):
         colors = {
-            'S': 'red',
-            'C': 'darkorange',
-            'F': 'green',
+            "S": "red",
+            "C": "darkorange",
+            "F": "green",
         }
-        return mark_safe('<b style="background:{};">{}</b>'.format(colors[obj.status], obj.get_status_display()))
+        return mark_safe(
+            f'<b style="background:{colors[obj.status]};">{obj.get_status_display()}</b>'
+        )
 
     status_colored.short_description = "Status"
 
@@ -180,13 +217,88 @@ class ResolutionAdmin(admin.ModelAdmin):
     form = ResolutionAdminForm
     model = Resolution
 
+    inlines = (BillInline,)
+
     list_display = [
         "name",
         "id",
         "is_visible",
+        "total",
     ]
 
+    def add_view(self, request, form_url="", extra_context=None):
+        extra_context = extra_context or {}
+        extra_context["help_text"] = "Fette Schriften sind Pflichtfelder."
+        return super().add_view(
+            request,
+            form_url,
+            extra_context=extra_context,
+        )
+
+    def change_view(self, request, object_id, form_url="", extra_context=None):
+        extra_context = extra_context or {}
+        extra_context["help_text"] = "Fette Schriften sind Pflichtfelder."
+        return super().change_view(
+            request,
+            object_id,
+            form_url,
+            extra_context=extra_context,
+        )
+
+    def total(self, obj):
+        total = 0
+        bills = Bill.objects.filter(resolution=obj)
+        for elem in bills:
+            total += elem.amount
+
+        return f"{ total }"
+
+    total.short_description = "Gesamtsumme (EUR)"
+
+
+class WirefAdmin(admin.ModelAdmin):
+    form = WirefAdminForm
+    model = Wiref
+
+    inlines = (BillInline,)
+
+    list_display = [
+        "wiref_id",
+        "file_field",
+        "total",
+    ]
+
+    def add_view(self, request, form_url="", extra_context=None):
+        extra_context = extra_context or {}
+        extra_context["help_text"] = "Fette Schriften sind Pflichtfelder."
+        return super().add_view(
+            request,
+            form_url,
+            extra_context=extra_context,
+        )
+
+    def change_view(self, request, object_id, form_url="", extra_context=None):
+        extra_context = extra_context or {}
+        extra_context["help_text"] = "Fette Schriften sind Pflichtfelder."
+        return super().change_view(
+            request,
+            object_id,
+            form_url,
+            extra_context=extra_context,
+        )
+
+    def total(self, obj):
+        total = 0
+        bills = Bill.objects.filter(wiref=obj)
+        for elem in bills:
+            total += elem.amount
+
+        return f"{ total }"
+
+    total.short_description = "Gesamtsumme (EUR)"
+
 
 admin.site.register(BankData, BankDataAdmin)
 admin.site.register(Bill, BillAdmin)
 admin.site.register(Resolution, ResolutionAdmin)
+admin.site.register(Wiref, WirefAdmin)
diff --git a/fet2020/finance/forms.py b/fet2020/finance/forms.py
index 1054dabf..c146b333 100644
--- a/fet2020/finance/forms.py
+++ b/fet2020/finance/forms.py
@@ -4,7 +4,7 @@ from django.forms import DateInput
 
 from members.models import Member
 
-from .models import BankData, Bill, Resolution
+from .models import BankData, Bill, Resolution, Wiref
 
 
 class DateInput(DateInput):
@@ -212,6 +212,20 @@ class BillUpdateForm(forms.ModelForm):
             self.fields["comment"].disabled = True
 
 
+class BillInlineForm(forms.ModelForm):
+    class Meta:
+        fields = [
+            "purpose",
+            "file_field",
+        ]
+        model = Bill
+
+        labels = {
+            "purpose": "Verwendungszweck",
+            "file_field": "Hochgeladene Rechnung",
+        }
+
+
 class BankDataAdminForm(forms.ModelForm):
     class Meta:
         model = BankData
@@ -258,7 +272,62 @@ class BillAdminForm(forms.ModelForm):
 
 
 class ResolutionAdminForm(forms.ModelForm):
+    total = forms.CharField()
+
     class Meta:
         model = Resolution
 
-        fields = "__all__"
+        fields = [
+            "name",
+            "id",
+            "is_visible",
+            "total",
+        ]
+
+        labels = {
+            "id": "ID",
+        }
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)  # to get the self.fields set
+
+        bills = Bill.objects.filter(resolution=kwargs["instance"])
+        total = 0
+        for elem in bills:
+            total += elem.amount
+
+        self.fields["total"].disabled = True
+        self.fields["total"].initial = total
+        self.fields["total"].label = "Gesamtsumme (EUR)"
+        self.fields["total"].required = False
+
+
+class WirefAdminForm(forms.ModelForm):
+    total = forms.CharField()
+
+    class Meta:
+        model = Wiref
+
+        fields = [
+            "wiref_id",
+            "file_field",
+            "total",
+        ]
+
+        labels = {
+            "wiref_id": "Wiref ID",
+            "file_field": "Wiref Formular",
+        }
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)  # to get the self.fields set
+
+        bills = Bill.objects.filter(wiref=kwargs["instance"])
+        total = 0
+        for elem in bills:
+            total += elem.amount
+
+        self.fields["total"].disabled = True
+        self.fields["total"].initial = total
+        self.fields["total"].label = "Gesamtsumme (EUR)"
+        self.fields["total"].required = False
diff --git a/fet2020/finance/models.py b/fet2020/finance/models.py
index dbd87637..1f05f39c 100644
--- a/fet2020/finance/models.py
+++ b/fet2020/finance/models.py
@@ -40,6 +40,25 @@ class Resolution(models.Model):
         return f"{self.name}"
 
 
+class Wiref(models.Model):
+    wiref_id = models.CharField(max_length=10, blank=True, null=True)
+
+    file_field = models.FileField(
+        upload_to="uploads/finance/wiref/",
+        validators=[FileExtensionValidator(["pdf"])],
+        blank=True,
+        null=True,
+        verbose_name="Wiref Formular",
+    )
+
+    class Meta:
+        verbose_name = "Wiref Formular"
+        verbose_name_plural = "Wiref Formulare"
+
+    def __str__(self):
+        return f"{self.wiref_id}"
+
+
 class Bill(models.Model):
     # members can be deleted but never their bills
     bill_creator = models.ForeignKey(
@@ -86,7 +105,7 @@ class Bill(models.Model):
     only_digital = models.BooleanField(default=False, verbose_name="Digitale Rechnung")
 
     file_field = models.FileField(
-        upload_to="uploads/finance/files/",
+        upload_to="uploads/finance/bills/",
         validators=[FileExtensionValidator(["pdf"])],
         blank=True,
         null=True,
@@ -105,7 +124,14 @@ class Bill(models.Model):
         default=Status.SUBMITTED,
         verbose_name="Status",
     )
-    wiref_id = models.CharField(max_length=10, blank=True, null=True)
+
+    wiref = models.ForeignKey(
+        Wiref,
+        on_delete=models.SET_NULL,
+        blank=True,
+        null=True,
+        verbose_name="Wiref",
+    )
 
     date_created = models.DateTimeField(auto_now_add=True)