diff --git a/Layout/default/Invoice/PDF_MAIN.php b/Layout/default/Invoice/PDF_MAIN.php
index 6554b5834..01a1c80bb 100644
--- a/Layout/default/Invoice/PDF_MAIN.php
+++ b/Layout/default/Invoice/PDF_MAIN.php
@@ -90,7 +90,7 @@ $this->setReturnValue(['filename' => $invoice->invoice_number . ".pdf"]);
 
     <table style="border-collapse: collapse; width: 100%;" id="invoiceTable">
         <tr style="font-weight: bold; border-bottom: 1px solid black;" class="uneven">
-            <th style="text-align: center">Leitung / Produkt</th>
+            <th style="text-align: center">Leistung / Produkt</th>
             <th style="text-align: center">Zeitraum</th>
             <th style="text-align: right">Preis</th>
             <th style="text-align: center">Menge</th>
diff --git a/application/Admin/functions/IvtContractImport.php b/application/Admin/functions/IvtContractImport.php
index 3a4432cd1..86c630513 100644
--- a/application/Admin/functions/IvtContractImport.php
+++ b/application/Admin/functions/IvtContractImport.php
@@ -893,7 +893,8 @@ class Admin_IvtContractImport {
         }
 
         foreach($ivtnumbers as $ivtnum) {
-            $number = preg_replace('/^0043/', '43', $ivtnum->number);
+
+            $number = preg_replace('/^0043/', '43', trim($ivtnum->number));
             if(!$number) {
                 continue;
             }
diff --git a/application/Billing/BillingController.php b/application/Billing/BillingController.php
index 79dcde5e8..b73f955cd 100644
--- a/application/Billing/BillingController.php
+++ b/application/Billing/BillingController.php
@@ -275,7 +275,7 @@ class BillingController extends mfBaseController {
                     continue;
                 }
 
-                if($contract->billing_period == 1 && $start_date->format("Y") < 2024 || ($start_date->format("Y") == 2024 && $start_date->format("m") < 7)) {
+                if($contract->billing_period == 1 && ($start_date->format("Y") < 2024 || ($start_date->format("Y") == 2024 && $start_date->format("m") < 7))) {
                     // XXX only for 1st Billing after IVT Import
                     $this->log->debug(__METHOD__.": Ignoring Contract ".$contract->id." with start_date ".$start_date->format("Y-m-d")." because is before this month");
                 }