diff --git a/ENI2/DetailRootControl.xaml.cs b/ENI2/DetailRootControl.xaml.cs
index 4b70e7ba..7925f615 100644
--- a/ENI2/DetailRootControl.xaml.cs
+++ b/ENI2/DetailRootControl.xaml.cs
@@ -755,14 +755,14 @@ namespace ENI2
             {
                 POBA poba = pobaMessage.Elements[0] as POBA;
 
-                if (crewaMessage.Elements.Count != poba.TotalCrewMembersOnBoardUponArrival)
+                if (crewaMessage.Elements.Count != (poba.TotalCrewMembersOnBoardUponArrival ?? 0))
                 {
                     MessageViolation mv = RuleEngine.CreateViolation(ValidationCode.IMPLAUSIBLE, "POBA crew member count different from CREW count!", null, "Crew count mismatch", null, "CREWA");
                     mv.MessageGroupName = Properties.Resources.textOverview;
                     vViolations.Add(mv);
                 }
 
-                if(pasaMessage.Elements.Count != poba.TotalPassengersOnBoardUponArrival)
+                if(pasaMessage.Elements.Count != (poba.TotalPassengersOnBoardUponArrival ?? 0))
                 {
                     MessageViolation mv = RuleEngine.CreateViolation(ValidationCode.IMPLAUSIBLE, "POBA passenger count different from PAS count!", null, "Passenger count mismatch", null, "PASA");
                     mv.MessageGroupName = Properties.Resources.textOverview;
@@ -771,14 +771,14 @@ namespace ENI2
 
                 POBD pobd = pobdMessage.Elements[0] as POBD;
 
-                if (crewdMessage.Elements.Count != pobd.TotalCrewMembersOnBoardUponDeparture)
+                if (crewdMessage.Elements.Count != (pobd.TotalCrewMembersOnBoardUponDeparture ?? 0))
                 {
                     MessageViolation mv = RuleEngine.CreateViolation(ValidationCode.IMPLAUSIBLE, "POBD crew member count different from CREW count!", null, "Crew count mismatch", null, "CREWD");
                     mv.MessageGroupName = Properties.Resources.textOverview;
                     vViolations.Add(mv);
                 }
 
-                if (pasdMessage.Elements.Count != pobd.TotalPassengersOnBoardUponDeparture)
+                if (pasdMessage.Elements.Count != (pobd.TotalPassengersOnBoardUponDeparture ?? 0))
                 {
                     MessageViolation mv = RuleEngine.CreateViolation(ValidationCode.IMPLAUSIBLE, "POBD passenger count different from PAS count!", null, "Passenger count mismatch", null, "PASD");
                     mv.MessageGroupName = Properties.Resources.textOverview;
diff --git a/ENI2/DetailViewControls/WasteDetailControl.xaml b/ENI2/DetailViewControls/WasteDetailControl.xaml
index 6051b940..6a02896f 100644
--- a/ENI2/DetailViewControls/WasteDetailControl.xaml
+++ b/ENI2/DetailViewControls/WasteDetailControl.xaml
@@ -46,7 +46,7 @@
                             <Label HorizontalContentAlignment="Right" Grid.Row="0" Grid.Column="2" Content="{x:Static p:Resources.textValidExemption}" Name="label_ValidExemption" Margin="0,0,10,0"/>
                             <CheckBox Grid.Row="0" Grid.Column="1" VerticalAlignment="Center" Name="checkBoxAccurateCorrectDetails" IsChecked="{Binding ConfirmationOfCorrectness, Mode=TwoWay}" />
                             <CheckBox Grid.Row="0" Grid.Column="3" VerticalAlignment="Center" Name="checkBoxValidExemption" IsChecked="{Binding WasteDisposalValidExemption, Mode=TwoWay}" />
-                            <enictrl:LocodeControl Grid.Row="3" Grid.Column="1" x:Name="locodeCtrlNextWastePort" LocodeValue="{Binding NextWasteDisposalPort, Mode=TwoWay}" LocodeSource="SSN" />
+                            
                             <DatePicker Grid.Row="1" Grid.Column="1" Name="datePickerDateLastDisposal" Margin="2" SelectedDate="{Binding LastWasteDisposalDate, Mode=TwoWay}" DisplayDateStart="1/1/1800" DisplayDateEnd="12/31/2199" PreviewKeyUp="DateTimePicker_PreviewKeyUpDate">
                                 <DatePicker.BlackoutDates>
                                     <CalendarDateRange Start="1/1/0001" End="12/31/1799"/>
@@ -54,6 +54,7 @@
                                 </DatePicker.BlackoutDates>
                             </DatePicker>
                             <enictrl:LocodeControl Grid.Row="2" Grid.Column="1" x:Name="locodeCtrlLastWastePort" LocodeValue="{Binding LastWasteDisposalPort, Mode=TwoWay}" LocodeSource="SSN" />
+                            <enictrl:LocodeControl Grid.Row="3" Grid.Column="1" x:Name="locodeCtrlNextWastePort" LocodeValue="{Binding NextWasteDisposalPort, Mode=TwoWay}" LocodeSource="SSN" />
                             <TextBox Grid.Row="4" Grid.Column="1" Grid.ColumnSpan="3" Grid.RowSpan="2" Name="textBoxWasteDisposalServiceProviders" Text="{Binding WasteDisposalServiceProviderText, Converter={util:TrimStringConverter}}" Margin="2" />
                             <Label Grid.Row="6" Grid.Column="0" HorizontalContentAlignment="Right" Content="{x:Static p:Resources.textAgentTemplate}" Margin="0,0,10,0" />
                             <ComboBox Grid.Row="6" Grid.Column="1" Grid.ColumnSpan="2" Name="comboBox_WSDPTemplate" Margin="2" SelectedValuePath="Id" DisplayMemberPath="Remark" SelectionChanged="comboBox_WSDPTemplate_SelectionChanged" />