diff --git a/Layout/default/PreorderBillingInvoice/Index.php b/Layout/default/PreorderBillingInvoice/Index.php
index e43ee8a14..d560922e9 100644
--- a/Layout/default/PreorderBillingInvoice/Index.php
+++ b/Layout/default/PreorderBillingInvoice/Index.php
@@ -46,7 +46,7 @@ $pagination_entity_name = "Rechnungen";
                                 </select>
                             </div>
                             <div class="col-1">
-                                <label class="form-label" for="filter_fibu_account_number">Fibu Kontonummer</label>
+                                <label class="form-label" for="filter_fibu_account_number">Kundennummer</label>
                                 <input type="text" class="form-control" name="filter[fibu_account_number]" id="filter_fibu_account_number" value="<?=(array_key_exists("fibu_account_number", $filter)) ? $filter['fibu_account_number'] : ""?>"/>
                             </div>
 
@@ -109,6 +109,7 @@ $pagination_entity_name = "Rechnungen";
                                     <th>Rechnungsdatum</th>
                                     <th>Kundennummer</th>
                                     <th>Rechnungsadresse</th>
+                                    <th>Text</th>
                                     <th>Netto</th>
                                     <th>Ust.</th>
                                     <th>Brutto</th>
@@ -136,6 +137,7 @@ $pagination_entity_name = "Rechnungen";
                                             <?=$invoice->zip?> <?=$invoice->city?>
                                             <?=($invoice->country != "Österreich") ? "<br >".$invoice->country : ""?>
                                         </td>
+                                        <td><?=$invoice->head_text?></td>
                                         <td>€ <?=number_format($invoice->total, 2, ",", ".")?></td>
                                         <td>€ <?=number_format($invoice->total_gross - $invoice->total, 2, ",", ".")?></td>
                                         <td>€ <?=number_format($invoice->total_gross, 2, ",", ".")?></td>
diff --git a/Layout/default/PreorderBillingInvoice/PDF_HEADER.html b/Layout/default/PreorderBillingInvoice/PDF_HEADER.html
index 948914ec2..18e45f383 100644
--- a/Layout/default/PreorderBillingInvoice/PDF_HEADER.html
+++ b/Layout/default/PreorderBillingInvoice/PDF_HEADER.html
@@ -6,7 +6,7 @@
     <style>
         body {
             position: absolute;
-            top: 360px;
+            top: 290px;
             width: 100%;
             border: 0;
             margin: 0;
@@ -102,22 +102,6 @@
                                 <td>{{ customerNumber }}</td>
                             </tr>
                             {{ vatHtml }}
-                            <tr>
-                                <th style="padding-top: 8px;">Sachbearbeiter:</th>
-                                <td style="padding-top: 8px;">{{ caseWorker }}</td>
-                            </tr>
-                            <tr>
-                                <th>Telefon:</th>
-                                <td>{{ caseWorkerPhone }}</td>
-                            </tr>
-                            <tr>
-                                <th>Email:</th>
-                                <td>{{ caseWorkerEmail }}</td>
-                            </tr>
-                            <tr>
-                                <th>Unsere Auftragsnummer:</th>
-                                <td>{{ orderNumber }}</td>
-                            </tr>
                         </table>
                     </td>
                 </tr>
diff --git a/Layout/default/PreorderBillingInvoice/PDF_MAIN.php b/Layout/default/PreorderBillingInvoice/PDF_MAIN.php
index 4be41af7f..a41783146 100644
--- a/Layout/default/PreorderBillingInvoice/PDF_MAIN.php
+++ b/Layout/default/PreorderBillingInvoice/PDF_MAIN.php
@@ -86,12 +86,15 @@ $this->setReturnValue(['filename' => $invoice->invoice_number . ".pdf"]);
 
     <h2><?=($is_credit) ? "Gutschrift" : "Rechnung"?> <?=$invoice->invoice_number?></h2>
 
+    <?php if($invoice->head_text):?>
+        <p><?=$invoice->head_text?></p>
+    <?php endif; ?>
+
     <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: left">Pos</th>
             <th style="text-align: left">Artikel</th>
             <th style="text-align: left">Leistung / Produkt</th>
-            <th style="text-align: right">Preis</th>
             <th style="text-align: right">Menge</th>
             <th style="text-align: left">Einheit</th>
             <th style="text-align: right">Preis €</th>
@@ -112,7 +115,6 @@ $this->setReturnValue(['filename' => $invoice->invoice_number . ".pdf"]);
             <td style="text-align: left"><?=$i+1?></td>
             <td style="text-align: left"><?=$p->article_number?></td>
             <td style="text-align: left"><?=$p->article_name?></td>
-            <td style="text-align: right"><?=$price?> €</td>
             <td style="text-align: right"><?=$amount?></td>
             <td style="text-align: left"><?=$p->unit?></td>
             <td style="text-align: right"><?=$price?> €</td>
@@ -146,13 +148,14 @@ $this->setReturnValue(['filename' => $invoice->invoice_number . ".pdf"]);
         </tr>
     </table>
 
-
     <div style="margin-top: 20pt;">
         <?php if($invoice->tax_text): ?>
             <p style="font-weight: bold;"><?=$invoice->tax_text?></p>
         <?php endif; ?>
-    </div>
 
+        Zahlungsziel 14 Tage.
+
+    </div>
 
 </body>
 </html>
\ No newline at end of file
diff --git a/application/PreorderBilling/PreorderBilling.php b/application/PreorderBilling/PreorderBilling.php
index a4d14e004..ef07d3c95 100644
--- a/application/PreorderBilling/PreorderBilling.php
+++ b/application/PreorderBilling/PreorderBilling.php
@@ -108,11 +108,13 @@ class PreorderBilling extends mfBaseModel {
         $items = [];
 
         $where = self::getSqlFilter($filter);
-        $sql = "SELECT preorderbillingcustomer_id, owner_id, billingaddress_id, billing_delivery FROM PreorderBilling
+        $sql = "SELECT preorderbillingcustomer_id, owner_id, billingaddress_id, Preorder.preordercampaign_id as campaign_id, billing_delivery FROM PreorderBilling
+                    LEFT JOIN Preorder ON (PreorderBilling.preorder_id = Preorder.id)
                 WHERE $where
-                GROUP BY preorderbillingcustomer_id, owner_id, billingaddress_id, billing_delivery
-                ORDER BY preorderbillingcustomer_id, owner_id, billingaddress_id, billing_delivery";
+                GROUP BY preorderbillingcustomer_id, owner_id, billingaddress_id, campaign_id, billing_delivery
+                ORDER BY preorderbillingcustomer_id, owner_id, billingaddress_id, campaign_id, billing_delivery";
         //var_dump($sql);exit;
+        mfLoghandler::singleton()->debug($sql);
         $res = $db->query($sql);
         if($db->num_rows($res)) {
             while($data = $db->fetch_object($res)) {
@@ -120,6 +122,7 @@ class PreorderBilling extends mfBaseModel {
                     "preorderbillingcustomer_id" => $data->preorderbillingcustomer_id,
                     "owner_id" => $data->owner_id,
                     "billingaddress_id" => $data->billingaddress_id,
+                    "campaign_id" => $data->campaign_id,
                     "billing_delivery" => $data->billing_delivery,
                 ];
             }
@@ -448,6 +451,13 @@ class PreorderBilling extends mfBaseModel {
             }
         }
 
+        if(array_key_exists("campaign_id", $filter)) {
+            $campaign_id = $filter['campaign_id'];
+            if(is_numeric($campaign_id)) {
+                $where .= " AND Preorder.campaign_id = $campaign_id";
+            }
+        }
+        
         if(array_key_exists("preordercampaign_id", $filter)) {
             $preordercampaign_id = $filter['preordercampaign_id'];
             if(is_numeric($preordercampaign_id)) {
diff --git a/application/PreorderBilling/PreorderBillingController.php b/application/PreorderBilling/PreorderBillingController.php
index 07a4a4349..fbba0fbc1 100644
--- a/application/PreorderBilling/PreorderBillingController.php
+++ b/application/PreorderBilling/PreorderBillingController.php
@@ -1,8 +1,8 @@
 <?php
 
 class PreorderBillingController extends mfBaseController {
-
     private $billing_minimum_date = "2025-03-01";
+    private $marketshare = [];
 
     protected function init() : void
     {
@@ -133,6 +133,14 @@ class PreorderBillingController extends mfBaseController {
     }
 
     protected function importPreorders() {
+        $netowner_id = $this->me->address_id;
+        $netowner = new Address($netowner_id);
+
+        if(!defined("TT_PREORDER_BILLING") || !is_array(TT_PREORDER_BILLING)) {
+            die("Config Variable 'TT_PREORDER_BILLING' not found!");
+        }
+        $netowner_config = TT_PREORDER_BILLING[$netowner_id];
+
         $earliest_bill_date = new DateTime(PreorderBilling::$earliest_bill_date);
 
         $now_year = date("Y");
@@ -140,7 +148,7 @@ class PreorderBillingController extends mfBaseController {
         $now_day = date("d");
 
         $today = new DateTime("$now_year-$now_month-$now_day");
-        //$today = new DateTime("2025-02-13");
+        $today = new DateTime("2025-04-13");
         $today->setTime(2,0,0);
         $today->setTimezone(new DateTimeZone("Europe/Vienna"));
 
@@ -151,6 +159,18 @@ class PreorderBillingController extends mfBaseController {
         $latest_bill_date = clone $bill_date;
         $latest_bill_date->modify("last day of this month");
 
+        $this_quarter_start = clone $today;
+        $this_quarter_start->modify("first day of this month");
+        $q_subtractor = ($this_quarter_start->format("m") - 1) % 3;
+        $this_quarter_start->modify("- $q_subtractor months");
+
+        $this_quarter_end = clone $this_quarter_start;
+        $this_quarter_end->modify("+ 3 months");
+        $this_quarter_end->modify("last day of this month");
+
+        $latest_quarter_bill_date = clone $this_quarter_start;
+        $latest_quarter_bill_date->modify("-1 day");
+
         $del = 0;
         // first delete all non-invoiced billing records
         foreach(PreorderBilling::search(["invoice_id" => null]) as $bill) {
@@ -212,14 +232,22 @@ class PreorderBillingController extends mfBaseController {
                 die("No netoperator found for preorder ".$preorder->id);
             }
 
+            if(!is_array($netowner_config["netoperators"]) || !array_key_exists($netoperator->id, $netowner_config["netoperators"])) {
+                die("netoperator config missing for ".$netoperator->id);
+            }
+            $netoperator_config = $netowner_config["netoperators"][$netoperator->id];
+
             $bill_params = [
-                "netowner" => new Address($this->me->address_id),
+                "netowner" => $netowner,
+                "netowner_config" => $netowner_config,
                 "netoperator" => $netoperator,
+                "netoperator_config" => $netoperator_config,
                 "order_date" => $order_date,
                 "today" => $today,
                 "bill_date" => $bill_date,
                 "earliest_bill_date" => $earliest_bill_date,
                 "latest_bill_date" => $latest_bill_date,
+                "latest_quarter_bill_date" => $latest_quarter_bill_date
             ];
 
             if($preorder->status->code >= 241) {
@@ -232,6 +260,8 @@ class PreorderBillingController extends mfBaseController {
             }
         }
 
+        //echo "<pre>".print_r($this->marketshare, true)."</pre>";exit;
+
         $this->Layout()->setFlash("Billing records erstellt", "success");
         $this->redirect("PreorderBilling");
 
@@ -239,11 +269,14 @@ class PreorderBillingController extends mfBaseController {
 
     private function billSetup($preorder, $type, $options) {
         $netowner = $options['netowner'];
+        $netowner_config = $options['netowner_config'];
         $netoperator = $options['netoperator'];
+        $netoperator_config = $options['netoperator_config'];
         $order_date = $options['order_date'];
         $today = $options['today'];
         $bill_date = $options['bill_date'];
         $earliest_bill_date = $options['earliest_bill_date'];
+        $latest_quarter_bill_date = $options["latest_quarter_bill_date"];
 
         $this->log->debug(__METHOD__.": bill $type Preorder ".$preorder->id);
 
@@ -296,10 +329,6 @@ class PreorderBillingController extends mfBaseController {
             $status_change_date = new DateTime("@".$preorder->create);
         }
 
-        if($preorder->oaid == 'AT-8943-8392e815.001') {
-            //var_dump($status_change, $status_change_date);
-        }
-
         $billing_data = [
             "netowner_id" => $netowner->id,
             "preorder_id" => $preorder->id,
@@ -373,8 +402,9 @@ class PreorderBillingController extends mfBaseController {
                 $billing_data["end_date"] = $status_change_date->format("Y-m-d");
             }
 
-            if($preorder->oaid == 'AT-8943-8392e815.001') {
-                //var_dump($change_to_active, $status_change_date);exit;
+            if($netoperator_config["billing-period"] == "quarterly" && $status_change_date->format("Ymd") > $latest_quarter_bill_date->format("Ymd")) {
+                $this->log->debug(__METHOD__.": Skipping operator_setup for preorder ".$preorder->id." because Billing date ".$status_change_date->format("Y-m-d")." is after latest_quarter_bill_date ".$latest_quarter_bill_date->format("Y-m-d"));
+                return true;
             }
 
             // Netzbetreiber Setup Gebühr
@@ -407,12 +437,30 @@ class PreorderBillingController extends mfBaseController {
 
     private function billOperatorPeriodic($preorder, $options) {
         $netowner = $options['netowner'];
+        $netowner_config = $options['netowner_config'];
         $netoperator = $options['netoperator'];
+        $netoperator_config = $options['netoperator_config'];
         $order_date = $options['order_date'];
         $today = $options['today'];
         $bill_date = $options['bill_date'];
         $earliest_bill_date = $options['earliest_bill_date'];
-        $latest_bill_date = $options['latest_bill_date'];
+        $latest_quarter_bill_date = $options["latest_quarter_bill_date"];
+
+        $campaign = new PreorderCampaign($preorder->preordercampaign_id);
+        if(!$campaign) {
+            die("Campaign ".$preorder->preordercampaign_id." not found!");
+        }
+
+        if(!array_key_exists($campaign->id, $this->marketshare)) {
+            $this->marketshare[$campaign->id] = [];
+            $this->marketshare[$campaign->id]["max"] = $campaign->getUnitCount();
+            $this->marketshare[$campaign->id]["netops"] = [];
+        }
+
+        if(!array_key_exists($netoperator->id, $this->marketshare[$campaign->id]["netops"])) {
+            $this->marketshare[$campaign->id]["netops"][$netoperator->id] = [];
+            $this->marketshare[$campaign->id]["netops"][$netoperator->id]["bracket_price"] = [];
+        }
 
         if($preorder->status->code >= 899) {
             $this->log->debug(__METHOD__.": Preorder ".$preorder->id." / ".$preorder->oaid." is cancelled");
@@ -490,6 +538,10 @@ class PreorderBillingController extends mfBaseController {
             $existing_bill = PreorderBilling::getFirst(["product_id" => $product->id, "preorder_id" => $preorder->id, "start_date" => $create_date->format("Y-m-d")]);
             //var_dump($existing_bill);
             if(!$existing_bill) {
+                if($netoperator_config["billing-period"] == "quarterly" && $create_date->format("Ymd") > $latest_quarter_bill_date->format("Ymd")) {
+                    $this->log->debug(__METHOD__.": Skipping operator_usage ".$create_date->format("m/Y")." for preorder ".$preorder->id." because Billing date ".$create_date->format("Y-m-d")." is after latest_quarter_bill_date ".$latest_quarter_bill_date->format("Y-m-d"));
+                    return true;
+                }
                 $new_create_date = clone $create_date;
                 $to_bill_dates[] = $new_create_date;
                 $create_date->modify("-1 months");
@@ -511,9 +563,44 @@ class PreorderBillingController extends mfBaseController {
             $sday = $start_date->format("d");
             $eday = $end_date->format("d");
 
-            $bill_price = $price->price_inet;
+            $price_id = $price->id;
+            $base_price = $price->price_inet;
 
-            if ($price->price_inet && ($sday > 1)) {
+            if($netoperator_config["marketshare-discount"]) {
+                // get current percentage of billed homes
+                $ms_bill_month = $start_date->format("Ym");
+                if(!array_key_exists("billed-$ms_bill_month", $this->marketshare[$campaign->id]["netops"][$netoperator->id])) {
+                    $this->marketshare[$campaign->id]["netops"][$netoperator->id]["billed-$ms_bill_month"] = 0;
+                }
+
+                $max_homes = $this->marketshare[$campaign->id]["max"];
+                $billed_homes = $this->marketshare[$campaign->id]["netops"][$netoperator->id]["billed-$ms_bill_month"];
+
+                if($billed_homes) {
+                    $billed_pct = (100 * $billed_homes) / $max_homes;
+
+                    foreach([15,20,25,30,35,40,45,50] as $bracket) {
+                        if ($billed_pct >= $bracket) {
+                            if(array_key_exists("$bracket-$price_id", $this->marketshare[$campaign->id]["netops"][$netoperator->id]["bracket_price"])) {
+                                $base_price = $this->marketshare[$campaign->id]["netops"][$netoperator->id]["bracket_price"]["$bracket-$price_id"]->price_inet;
+                            } else {
+                                $bracket_price = $price->getMarketshareBracket($bracket);
+                                if ($bracket_price) {
+                                    $this->marketshare[$campaign->id]["netops"][$netoperator->id]["bracket_price"]["$bracket-$price_id"] = $bracket_price;
+                                    $base_price = $bracket_price->price_inet;
+                                }
+                            }
+                        }
+                    }
+
+                }
+
+                $this->log->debug(__METHOD__.": ".$netoperator->getCompanyOrName()." (month: $ms_bill_month; campaign: ".$campaign->name.") Marketshare Price: $base_price (max: $max_homes | billed: $billed_homes | billed% $billed_pct ");
+            }
+
+            $bill_price = $base_price;
+
+            if ($base_price && ($sday > 1)) {
                 // Aliquoten Preis errechnen
                 $first_of_period = clone $start_date;
                 $first_of_period->modify("first day of this month");
@@ -527,7 +614,7 @@ class PreorderBillingController extends mfBaseController {
                 if ($period_days < 0) return true; // don't bill for negative time range
 
                 $pc = $period_days / $total_days * 100;
-                $bill_price = round($price->price_inet / 100 * $pc, 2);
+                $bill_price = round($base_price / 100 * $pc, 2);
             }
 
             $article_number = $product->article_number;
@@ -573,8 +660,16 @@ class PreorderBillingController extends mfBaseController {
             if (!$billing->save()) {
                 die("Billing record could not be saved!");
             }
+
+            $ms_bill_month = $start_date->format("Ym");
+            $this->marketshare[$campaign->id]["netops"][$netoperator->id]["billed-$ms_bill_month"]++;
+            //$this->marketshare[$campaign->id]["netops"][$netoperator->id]["billed-$ms_bill_month"]
         }
 
+
+        //var_dump($this->marketshare);exit;
+
         //var_dump($billing);
     }
+
 }
\ No newline at end of file
diff --git a/application/PreorderBillingInvoice/PreorderBillingInvoice.php b/application/PreorderBillingInvoice/PreorderBillingInvoice.php
index b7cd8e4ea..9df473fce 100644
--- a/application/PreorderBillingInvoice/PreorderBillingInvoice.php
+++ b/application/PreorderBillingInvoice/PreorderBillingInvoice.php
@@ -84,7 +84,7 @@ class PreorderBillingInvoice extends mfBaseModel {
 
 
         $pdf = new PdfForm("PreorderBillingInvoice/PDF_MAIN", $pdf_vars);
-        $wkhtmltopdfArgs = "--margin-top 10mm --header-spacing 96 --header-html '$headerFile' --footer-html '$footerFile'";
+        $wkhtmltopdfArgs = "--margin-top 10mm --header-spacing 90 --header-html '$headerFile' --footer-html '$footerFile'";
 
         $filename = $pdf->render($wkhtmltopdfArgs);
 
@@ -182,8 +182,8 @@ class PreorderBillingInvoice extends mfBaseModel {
 
         $table_fields = [
             "netowner_id","invoice_number","invoice_date","preorderbillingcustomer_id","owner_id","billingaddress_id","fibu_account_number","fibu_cost_area",
-            "fibu_cost_account", "fibu_revenue_account","fibu_taxcode","tax_text","company","firstname","lastname","street","zip","city","country","email","uid",
-            "billing_type", "billing_delivery","bank_account_bank","bank_account_owner","bank_account_iban","bank_account_bic","total","total_gross","vatgroup_id",
+            "fibu_cost_account", "fibu_revenue_account","fibu_taxcode","tax_text","head_text","company","firstname","lastname","street","zip","city","country","email",
+            "uid", "billing_type", "billing_delivery","bank_account_bank","bank_account_owner","bank_account_iban","bank_account_bic","total","total_gross","vatgroup_id",
             "vatrate", "bmd_export_date","date_delivered",
             "create_by","edit_by","create","edit"
         ];
diff --git a/application/PreorderBillingInvoice/PreorderBillingInvoiceController.php b/application/PreorderBillingInvoice/PreorderBillingInvoiceController.php
index 80b6922af..4809b8f34 100644
--- a/application/PreorderBillingInvoice/PreorderBillingInvoiceController.php
+++ b/application/PreorderBillingInvoice/PreorderBillingInvoiceController.php
@@ -183,6 +183,14 @@ class PreorderBillingInvoiceController extends mfBaseController {
             $owner_id = $base["owner_id"];
             $billingaddress_id = $base["billingaddress_id"];
             $billing_delivery = $base["billing_delivery"];
+            $campaign_id = $base["campaign_id"];
+
+            $campaign = new Preordercampaign($campaign_id);
+            if(!$campaign->id) {
+                die("Kampagne $campaign_id nicht gefunden");
+            }
+            $campaign_name = $campaign->name;
+            $campaign_name = preg_replace('/^RML Liezen\s+-\s+/', '', $campaign_name);
 
             $bill_positions = [];
             $credit_positions = [];
@@ -193,12 +201,11 @@ class PreorderBillingInvoiceController extends mfBaseController {
                 "preorderbillingcustomer_id" => $preorderbillingcustomer_id,
                 "owner_id" => $owner_id,
                 "billingaddress_id" => $billingaddress_id,
+                "preordercampaign_id" => $campaign_id,
                 "billing_delivery" => $billing_delivery,
                 "invoice_id" => null,
             ];
 
-
-
             $billing_rows = PreorderBilling::search($bill_filter);
             if(!count($billing_rows)) {
                 var_dump($bill_filter);
@@ -210,7 +217,7 @@ class PreorderBillingInvoiceController extends mfBaseController {
             $sorted_positions = [];
             $invoice_positions = [];
             $invoice_vatrate = 20;
-            $price_total_sum = 0;
+            //$price_total_sum = 0;
 
             foreach($billing_rows as $bill) {
                 $billing_row_count++;
@@ -241,6 +248,7 @@ class PreorderBillingInvoiceController extends mfBaseController {
                     $detail_data = [
                         "owner_id" => $bill->owner_id,
                         "company" => ($bill->company) ?: $bill->firstname . " " . $bill->lastname,
+                        "network_name" => $campaign_name,
                         "oaid" => $bill->oaid,
                         "order_date" => $bill->order_date,
                         "start_date" => $start_date->format("Y-m-d"),
@@ -349,6 +357,7 @@ class PreorderBillingInvoiceController extends mfBaseController {
             $invoice_data["fibu_revenue_account"] = TT_PREORDER_BILLING[$netowner_id]["fibu-revenue-code"];
             $invoice_data["fibu_tax_code"] = 1;
             $invoice_data["tax_text"] = null;
+            $invoice_data["head_text"] = null;
             $invoice_data["uid"] = $bill->uid;
             $invoice_data["company"] = $bill->company;
             $invoice_data["firstname"] = $bill->firstname;
@@ -385,6 +394,11 @@ class PreorderBillingInvoiceController extends mfBaseController {
                     unset($position->preorder_billings);
                     unset($position->count);
 
+
+                    if($position->product_id != 2) {
+                        $invoice->head_text = "Entgelte für Netzgebiet $campaign_name";
+                    }
+
                     $total_net += $position->price_total;
                     $total_gross += $position->price_gross;
 
@@ -446,14 +460,15 @@ class PreorderBillingInvoiceController extends mfBaseController {
             if(count($invoice_detail_data)) {
                 // create CSV file
                 //var_dump($invoice_detail_data);exit;
-                $csv = "\u{FEFF}Netzbetreiber;Rechungsnummer;Rechnungsdateum;OAID;Bestelldatum;Periode von;Periode bis;Artikelnummer;Produkt;Anzahl;Preis Netto\n";
+                $csv = "\u{FEFF}Netzbetreiber;Rechungsnummer;Rechnungsdateum;Netzgebiet;OAID;Bestelldatum;Periode von;Periode bis;Artikelnummer;Produkt;Anzahl;Preis Netto\n";
                 foreach ($invoice_detail_data as $detail) {
                     //var_dump($detail);
                     //exit;
 
-                    $csv .= '"'.str_replace(["\r","\n"], " ", $detail["company"]).'";';
+                    $csv .= '"'.str_replace(["\r","\n", '"'], [" "," ",'""'], $detail["company"]).'";';
                     $csv .= '"'.$invoice->invoice_number.'";';
                     $csv .= '"'.$invoice->invoice_date.'";';
+                    $csv .= '"'.str_replace('"','""',$detail["network_name"]).'";';
                     $csv .= '"'.$detail["oaid"].'";';
                     $csv .= '"'.$detail["order_date"].'";';
                     $csv .= '"'.$detail["start_date"].'";';
diff --git a/application/PreorderProductMarketshareDiscount/PreorderProductMarketshareDiscount.php b/application/PreorderProductMarketshareDiscount/PreorderProductMarketshareDiscount.php
index 37992bfeb..1cd2d0451 100644
--- a/application/PreorderProductMarketshareDiscount/PreorderProductMarketshareDiscount.php
+++ b/application/PreorderProductMarketshareDiscount/PreorderProductMarketshareDiscount.php
@@ -110,6 +110,7 @@ class PreorderProductMarketshareDiscount extends mfBaseModel {
                 WHERE $where 
                 ORDER BY preorderproductprice_id,bracket LIMIT 1";
         //var_dump($sql);exit;
+        mfLoghandler::singleton()->debug($sql);
         $res = $db->query($sql);
         if($db->num_rows($res)) {
             $data = $db->fetch_object($res);
diff --git a/application/PreorderProductPrice/PreorderProductPrice.php b/application/PreorderProductPrice/PreorderProductPrice.php
index d41609483..525dd2c38 100644
--- a/application/PreorderProductPrice/PreorderProductPrice.php
+++ b/application/PreorderProductPrice/PreorderProductPrice.php
@@ -10,6 +10,15 @@ class PreorderProductPrice extends mfBaseModel {
     private $creator;
     private $editor;
 
+    public function getMarketshareBracket($bracket) {
+        $bracket = PreorderProductMarketshareDiscount::getFirst(["preorderproductprice_id" => $this->id, "bracket" => $bracket]);
+        if(!$bracket) {
+            return false;
+        }
+
+        return $bracket;
+    }
+
     public function getProperty($name) {
         if($this->$name == null) {
 
diff --git a/application/Preordercampaign/Preordercampaign.php b/application/Preordercampaign/Preordercampaign.php
index a756d9233..e446155d7 100644
--- a/application/Preordercampaign/Preordercampaign.php
+++ b/application/Preordercampaign/Preordercampaign.php
@@ -109,6 +109,17 @@ class Preordercampaign extends mfBaseModel {
     
     return ['activation' => $activation_products, 'provision' => $provision_products, 'reorder' => $reorder_products];
   }
+
+  public function getUnitCount() {
+        $count = 0;
+
+        $netzgebiete = $this->getProperty("salesclusters");
+        foreach($netzgebiete as $netzgebiet) {
+            $count += $netzgebiet->unit_count;
+        }
+
+        return $count;
+  }
   
   public function getProperty($name) {
     if($this->$name == null) {
diff --git a/db/migrations/20250324141243_preorder_billing_invoice_add_head_text.php b/db/migrations/20250324141243_preorder_billing_invoice_add_head_text.php
new file mode 100644
index 000000000..3ee635a94
--- /dev/null
+++ b/db/migrations/20250324141243_preorder_billing_invoice_add_head_text.php
@@ -0,0 +1,31 @@
+<?php
+declare(strict_types=1);
+
+use Phinx\Migration\AbstractMigration;
+
+final class PreorderBillingInvoiceAddHeadText extends AbstractMigration
+{
+    public function up(): void
+    {
+        if($this->getEnvironment() == "thetool") {
+            $table = $this->table("PreorderBillingInvoice");
+            $table->addColumn("head_text", "text", ["null" => true, "default" => null, "after" => "tax_text"]);
+            $table->update();
+        }
+        
+        if($this->getEnvironment() == "addressdb") {
+          
+        }
+    }
+
+    public function down(): void
+    {
+        if($this->getEnvironment() == "thetool") {
+            $this->table("PreorderBillingInvoice")->removeColumn("head_text")->update();
+        }
+        
+        if($this->getEnvironment() == "addressdb") {
+          
+        }
+    }
+}