diff --git a/Elwig/App.xaml b/Elwig/App.xaml
index e600f81..3c2eed1 100644
--- a/Elwig/App.xaml
+++ b/Elwig/App.xaml
@@ -55,6 +55,12 @@
                 <TextBlock Text="{Binding ValueStr}"/>
             </StackPanel>
         </DataTemplate>
+        <DataTemplate x:Key="PublicModifierTemplate">
+            <StackPanel Orientation="Horizontal">
+                <TextBlock Text="{Binding Name}" MinWidth="250" Margin="0,0,10,0"/>
+                <TextBlock Text="{Binding PublicValueStr}"/>
+            </StackPanel>
+        </DataTemplate>
 
         <DataTemplate x:Key="WineAttributeTemplate">
             <StackPanel Orientation="Horizontal">
diff --git a/Elwig/Documents/CreditNote.cs b/Elwig/Documents/CreditNote.cs
index f4018b0..5c4e357 100644
--- a/Elwig/Documents/CreditNote.cs
+++ b/Elwig/Documents/CreditNote.cs
@@ -48,7 +48,7 @@ namespace Elwig.Documents {
             if (CustomPayment?.ModComment != null) {
                 MemberModifier = CustomPayment.ModComment;
             } else if (mod != null) {
-                MemberModifier = $"{mod.Name} ({mod.ValueStr})";
+                MemberModifier = $"{mod.Name} ({mod.PublicValueStr})";
             } else {
                 MemberModifier = "Sonstige Zu-/Abschläge";
             }
diff --git a/Elwig/Documents/DeliveryNote.cshtml b/Elwig/Documents/DeliveryNote.cshtml
index 85b2fea..30e929a 100644
--- a/Elwig/Documents/DeliveryNote.cshtml
+++ b/Elwig/Documents/DeliveryNote.cshtml
@@ -55,7 +55,7 @@
             @if (part.Modifiers.Count() > 0) {
                 var first = true;
                 foreach (var mod in part.Modifiers) {
-                    <tr class="tight @(first ? "first" : "")"><td></td><td>@Raw(first ? "<i>Zu-/Abschläge:</i>" : "")</td><td colspan="3"><b>@mod.Name</b></td><td style="white-space: pre;">@mod.ValueStr</td></tr>
+                    <tr class="tight @(first ? "first" : "")"><td></td><td>@Raw(first ? "<i>Zu-/Abschläge:</i>" : "")</td><td colspan="3"><b>@mod.Name</b></td><td style="white-space: pre;">@mod.PublicValueStr</td></tr>
                     first = false;
                 }
             }
diff --git a/Elwig/Helpers/AppDbUpdater.cs b/Elwig/Helpers/AppDbUpdater.cs
index 2186739..9b327dd 100644
--- a/Elwig/Helpers/AppDbUpdater.cs
+++ b/Elwig/Helpers/AppDbUpdater.cs
@@ -9,7 +9,7 @@ namespace Elwig.Helpers {
     public static class AppDbUpdater {
 
         // Don't forget to update value in Tests/fetch-resources.bat!
-        public static readonly int RequiredSchemaVersion = 33;
+        public static readonly int RequiredSchemaVersion = 34;
 
         private static int VersionOffset = 0;
 
diff --git a/Elwig/Models/Entities/Modifier.cs b/Elwig/Models/Entities/Modifier.cs
index 80ba35f..811303a 100644
--- a/Elwig/Models/Entities/Modifier.cs
+++ b/Elwig/Models/Entities/Modifier.cs
@@ -16,6 +16,9 @@ namespace Elwig.Models.Entities {
         [Column("active")]
         public bool IsActive { get; set; }
 
+        [Column("redacted")]
+        public bool IsRedacted { get; set; }
+
         [Column("ordering")]
         public int Ordering { get; set; }
 
@@ -46,6 +49,8 @@ namespace Elwig.Models.Entities {
             (Rel != null) ? $"{Utils.GetSign(Rel.Value)}{(Math.Abs(Rel.Value) < 0.1m ? "\u2007" : "")}{Math.Abs(Rel.Value):0.00##\u00a0%}" :
             "";
 
+        public string? PublicValueStr => IsRedacted ? null : ValueStr;
+
         public override string ToString() {
             return Name;
         }
diff --git a/Elwig/Resources/Sql/33-34.sql b/Elwig/Resources/Sql/33-34.sql
new file mode 100644
index 0000000..1d00b92
--- /dev/null
+++ b/Elwig/Resources/Sql/33-34.sql
@@ -0,0 +1,3 @@
+-- schema version 33 to 34
+
+ALTER TABLE modifier ADD COLUMN redacted INTEGER NOT NULL CHECK (redacted IN (TRUE, FALSE)) DEFAULT FALSE;
diff --git a/Elwig/Windows/BaseDataWindow.xaml b/Elwig/Windows/BaseDataWindow.xaml
index 54d2d89..069beab 100644
--- a/Elwig/Windows/BaseDataWindow.xaml
+++ b/Elwig/Windows/BaseDataWindow.xaml
@@ -8,7 +8,7 @@
         xmlns:local="clr-namespace:Elwig.Windows"
         xmlns:ctrl="clr-namespace:Elwig.Controls"
         mc:Ignorable="d"
-        Title="Stammdaten - Elwig" Height="500" MinHeight="400" Width="850" MinWidth="810"
+        Title="Stammdaten - Elwig" Height="520" MinHeight="400" Width="860" MinWidth="810"
         Loaded="Window_Loaded">
     <Window.Resources>
         <Style TargetType="Label">
@@ -532,6 +532,10 @@
                             <CheckBox x:Name="SeasonModifierActiveInput" Content="In Übernahme-Fenster anzeigen"
                                       Grid.Column="1" Grid.ColumnSpan="2" Margin="10,134,10,10" HorizontalAlignment="Left" VerticalAlignment="Top"
                                       Checked="SeasonModifier_Changed" Unchecked="SeasonModifier_Changed"/>
+
+                            <CheckBox x:Name="SeasonModifierRedactedInput" Content="Wert auf Lieferschein verbergen"
+                                      Grid.Column="1" Grid.ColumnSpan="2" Margin="10,154,10,10" HorizontalAlignment="Left" VerticalAlignment="Top"
+                                      Checked="SeasonModifier_Changed" Unchecked="SeasonModifier_Changed"/>
                         </Grid>
                     </GroupBox>
                 </Grid>
diff --git a/Elwig/Windows/BaseDataWindow.xaml.Mod.cs b/Elwig/Windows/BaseDataWindow.xaml.Mod.cs
index 59b21fc..321e117 100644
--- a/Elwig/Windows/BaseDataWindow.xaml.Mod.cs
+++ b/Elwig/Windows/BaseDataWindow.xaml.Mod.cs
@@ -135,12 +135,14 @@ namespace Elwig.Windows {
                 SeasonModifierRelInput.Text = "";
                 SeasonModifierAbsInput.Text = "";
                 SeasonModifierActiveInput.IsChecked = false;
+                SeasonModifierRedactedInput.IsChecked = false;
             } else {
                 SeasonModifierIdInput.Text = mod.ModId;
                 SeasonModifierNameInput.Text = mod.Name;
                 SeasonModifierRelInput.Text = (mod.Rel * 100)?.ToString() ?? "";
                 SeasonModifierAbsInput.Text = mod.Abs?.ToString() ?? "";
                 SeasonModifierActiveInput.IsChecked = mod.IsActive;
+                SeasonModifierRedactedInput.IsChecked = mod.IsRedacted;
             }
             _modUpdate = false;
         }
@@ -157,6 +159,7 @@ namespace Elwig.Windows {
             mod.Rel = decimal.TryParse(SeasonModifierRelInput.Text, out var vRel) ? vRel / 100 : null;
             mod.AbsValue = decimal.TryParse(SeasonModifierAbsInput.Text, out var vAbs) ? Utils.DecToDb(vAbs, s.Precision) : null;
             mod.IsActive = SeasonModifierActiveInput.IsChecked ?? false;
+            mod.IsRedacted = SeasonModifierRedactedInput.IsChecked ?? false;
 
             CollectionViewSource.GetDefaultView(_modList).Refresh();
             UpdateButtons();
diff --git a/Elwig/Windows/DeliveryAdminWindow.xaml.cs b/Elwig/Windows/DeliveryAdminWindow.xaml.cs
index be02d94..b8af7fe 100644
--- a/Elwig/Windows/DeliveryAdminWindow.xaml.cs
+++ b/Elwig/Windows/DeliveryAdminWindow.xaml.cs
@@ -95,6 +95,7 @@ namespace Elwig.Windows {
                 if (App.Client.IsMatzen) {
                     RequiredInputs = [.. RequiredInputs, ModifiersInput];
                 }
+                ModifiersInput.ItemTemplate = (DataTemplate)ModifiersInput.FindResource("PublicModifierTemplate");
             } else {
                 WeighingManualButton.Visibility = Visibility.Hidden;
                 WeighingAButton.Visibility = Visibility.Hidden;
diff --git a/Tests/fetch-resources.bat b/Tests/fetch-resources.bat
index 0430933..98693bc 100644
--- a/Tests/fetch-resources.bat
+++ b/Tests/fetch-resources.bat
@@ -1 +1 @@
-curl --fail -s -L "https://elwig.at/files/create.sql?v=33" -u "elwig:ganzGeheim123!" -o "Resources\Sql\Create.sql"
+curl --fail -s -L "https://elwig.at/files/create.sql?v=34" -u "elwig:ganzGeheim123!" -o "Resources\Sql\Create.sql"