diff --git a/Layout/default/PreorderBilling/Index.php b/Layout/default/PreorderBilling/Index.php
index 942cb73bb..14bda6ece 100644
--- a/Layout/default/PreorderBilling/Index.php
+++ b/Layout/default/PreorderBilling/Index.php
@@ -117,12 +117,22 @@ $pagination_entity_name = "Billingrecords";
                                 <!--button type="submit" class="btn btn-primary"><i class="fas fa-fw fa-check"></i> Markierte Elemente als Contract übernehmen</button-->
                             </div>
                             <div class="float-right">
-                                <a class="btn btn-outline-primary mb-2" href="<?=self::getUrl("PreorderBilling", "importPreorders")?>">
-                                    <i class="far fa-fw fa-file-import"></i> Rechnungsdatensätze erstellen
-                                </a>
-                                <a class="btn btn-primary mb-2 ml-2" href="<?=self::getUrl("PreorderBillingInvoice", "create")?>">
-                                    <i class="far fa-fw fa-file-invoice"></i> Rechnungen erstellen
-                                </a>
+                                <div class="row">
+                                    <div class="col">
+                                        <a class="btn btn-outline-primary mb-2" href="<?=self::getUrl("PreorderBilling", "importPreorders")?>">
+                                            <i class="far fa-fw fa-file-import"></i> Rechnungsdatensätze erstellen
+                                        </a>
+                                    </div>
+                                </div>
+                                <?php if(PreorderBilling::count(["invoice_id" => false])): ?>
+                                <div class="row">
+                                    <div class="col">
+                                        <a class="btn btn-primary mb-2" href="<?=self::getUrl("PreorderBillingInvoice", "create")?>">
+                                            <i class="far fa-fw fa-file-invoice"></i> Rechnungen erstellen
+                                        </a>
+                                    </div>
+                                </div>
+                                <?php endif; ?>
                             </div>
                         </div>
                     </div>
diff --git a/Layout/default/PreorderBillingInvoice/Index.php b/Layout/default/PreorderBillingInvoice/Index.php
index d560922e9..6d6d619ad 100644
--- a/Layout/default/PreorderBillingInvoice/Index.php
+++ b/Layout/default/PreorderBillingInvoice/Index.php
@@ -109,7 +109,7 @@ $pagination_entity_name = "Rechnungen";
                                     <th>Rechnungsdatum</th>
                                     <th>Kundennummer</th>
                                     <th>Rechnungsadresse</th>
-                                    <th>Text</th>
+                                    <th>Rechnungstext</th>
                                     <th>Netto</th>
                                     <th>Ust.</th>
                                     <th>Brutto</th>
@@ -137,7 +137,7 @@ $pagination_entity_name = "Rechnungen";
                                             <?=$invoice->zip?> <?=$invoice->city?>
                                             <?=($invoice->country != "Österreich") ? "<br >".$invoice->country : ""?>
                                         </td>
-                                        <td><?=$invoice->head_text?></td>
+                                        <td><?=nl2br(htmlentities($invoice->head_text))?></td>
                                         <td>€ <?=number_format($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_FOOTER.html b/Layout/default/PreorderBillingInvoice/PDF_FOOTER-4807.html
similarity index 74%
rename from Layout/default/PreorderBillingInvoice/PDF_FOOTER.html
rename to Layout/default/PreorderBillingInvoice/PDF_FOOTER-4807.html
index 309127f03..2836e0b50 100644
--- a/Layout/default/PreorderBillingInvoice/PDF_FOOTER.html
+++ b/Layout/default/PreorderBillingInvoice/PDF_FOOTER-4807.html
@@ -28,14 +28,7 @@
     }
 </script>
 
-<div style="margin-bottom: 16px;height: 1px"></div>
-<div style="color:grey;text-align: center;margin-bottom: 0">
-    <span>RML Infrastruktur GmbH | Wirtschaftspark A | 8940 Liezen</span><br>
-    <span>E-Mail: office@rmlinfrastruktur.at | IBAN: {{ bank_iban }}</span><br>
-    <span>UID: ATU77557626 | FN: 568443x | Gerichtsstand Liezen</span><br>
-</div>
-
-<div style="text-align: right">Seite <span class="page"></span> von <span class="topage"></span></div>
+<div style="padding-bottom: 56px; padding-right: 6px; text-align: right;">Seite <span class="page"></span> von <span class="topage"></span></div>
 
 <div style="margin-top: 16px;height: 1px"></div>
 </body>
diff --git a/Layout/default/PreorderBillingInvoice/PDF_HEADER.html b/Layout/default/PreorderBillingInvoice/PDF_HEADER-4807.html
similarity index 84%
rename from Layout/default/PreorderBillingInvoice/PDF_HEADER.html
rename to Layout/default/PreorderBillingInvoice/PDF_HEADER-4807.html
index 18e45f383..5dcc1a6d8 100644
--- a/Layout/default/PreorderBillingInvoice/PDF_HEADER.html
+++ b/Layout/default/PreorderBillingInvoice/PDF_HEADER-4807.html
@@ -11,19 +11,33 @@
             border: 0;
             margin: 0;
             padding-top: 0;
-            font-family: "Open Sans", sans-serif, Verdana;
+            font-family: "Calibri", sans-serif, Verdana;
             font-size: 12px;
         }
 
+        .rml-header-text {
+            padding-left: 12pt;
+            width: 60%;
+            font-size: 17px;
+            padding-top: 52px;
+            line-height: 18px;
+        }
+
+        .rml-header-text .header {
+            font-size: 20px;
+        }
+
         .info-table {
             border-collapse: collapse;
             width: 100%;
         }
 
         .customer-details {
+            font-weight: bold;
             vertical-align: top;
             font-size: 14px;
             padding-left: 30pt;
+            padding-right: 30pt;
             width: 50%;
         }
 
@@ -62,18 +76,17 @@
 </head>
 <body>
 
-<div id="topSpacer"></div>
 
 <table style="width: 100%; margin-bottom: 64px;">
     <tr>
-        <td style="padding-left: 30pt; width: 60%; font-size: 14px; padding-top: 52px;">
-            <strong>RML Infrastruktur GmbH</strong><br />
+        <td class="rml-header-text">
+            <span class="header">RML Infrastruktur GmbH</span><br />
             Wirtschaftspark A<br />
             8940 Liezen<br />
             Österreich
         </td>
         <td style="width: 40%; text-align: right; padding-right: 0;">
-            <img alt="RML Logo" src="{{ basedir }}/public/assets/images/rml-logo-header.png" style="text-align:right;height: 125px;">
+
         </td>
     </tr>
 </table>
diff --git a/Layout/default/PreorderBillingInvoice/PDF_MAIN.php b/Layout/default/PreorderBillingInvoice/PDF_MAIN-4807.php
similarity index 58%
rename from Layout/default/PreorderBillingInvoice/PDF_MAIN.php
rename to Layout/default/PreorderBillingInvoice/PDF_MAIN-4807.php
index a41783146..818533e51 100644
--- a/Layout/default/PreorderBillingInvoice/PDF_MAIN.php
+++ b/Layout/default/PreorderBillingInvoice/PDF_MAIN-4807.php
@@ -1,8 +1,13 @@
 <?php
+/*
+ * RML Preorder Invoice Layout
+ */
+
 /**
  * @var string $ressourcePathPrefix
  * @var Invoice $invoice
  * @var array $vat
+ * @var string $qrcode
  */
 $net_total = $invoice->total;
 $gross_total = $invoice->total_gross;
@@ -12,8 +17,6 @@ $invoice_date = new DateTime($invoice->invoice_date);
 
 $this->setReturnValue(['filename' => $invoice->invoice_number . ".pdf"]);
 
-//die(json_encode($invoice->positions));
-
 ?>
 
 <!DOCTYPE html>
@@ -21,16 +24,20 @@ $this->setReturnValue(['filename' => $invoice->invoice_number . ".pdf"]);
 <head>
     <title>Rechnung</title>
     <meta charset="utf-8" />
-    <!--    <link href="-->
-    <?php //= self::getResourcePath() ?><!--assets/css/bootstrap.min.css" rel="stylesheet" type="text/css" />-->
 
     <style>
         body {
             margin-top: 0;
             padding-top: 0;
             /*padding-top: 20pt;*/
-            font-family: "Open Sans", sans-serif, Verdana;
-            font-size: 12px;
+            font-family: "Calibri", Arial, sans-serif;
+            font-size: 14px;
+        }
+
+        .head-text {
+            font-family: Calibri, Arial, sans-serif;
+            font-size: 16px;
+            margin-bottom: 24px;
         }
 
         tr {
@@ -61,7 +68,7 @@ $this->setReturnValue(['filename' => $invoice->invoice_number . ".pdf"]);
         }
 
         #invoiceTable tr td {
-            font-size: 11px;
+            font-size: 13px;
         }
 
         tr.position td {
@@ -87,7 +94,7 @@ $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>
+        <p class="head-text"><?=nl2br(htmlentities($invoice->head_text))?></p>
     <?php endif; ?>
 
     <table style="border-collapse: collapse; width: 100%;" id="invoiceTable">
@@ -103,26 +110,26 @@ $this->setReturnValue(['filename' => $invoice->invoice_number . ".pdf"]);
         <?php
         $i = 0;
         foreach($invoice->positions as $p):
-        $amount = (float) number_format($p->amount, 3, ",", ".");
-        $price = number_format($p->price, 2, ",",".");
-        $price_total = number_format($p->price_total, 2, ",",".");
-        $price_gross = number_format($p->price_gross, 2, ",",".");
-        $vatrate = number_format($p->vatrate, 0, ",",".");
+            $amount = (float) number_format($p->amount, 3, ",", ".");
+            $price = number_format($p->price, 2, ",",".");
+            $price_total = number_format($p->price_total, 2, ",",".");
+            $price_gross = number_format($p->price_gross, 2, ",",".");
+            $vatrate = number_format($p->vatrate, 0, ",",".");
 
-        ?>
+            ?>
 
-        <tr class="position <?=($i%2 == 0) ? "even" : "uneven" ?>">
-            <td style="text-align: left"><?=$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"><?=$amount?></td>
-            <td style="text-align: left"><?=$p->unit?></td>
-            <td style="text-align: right"><?=$price?> €</td>
-            <td style="padding-right: 4pt;"><?=$price_total?> €</td>
-        </tr>
+            <tr class="position <?=($i%2 == 0) ? "even" : "uneven" ?>">
+                <td style="text-align: left"><?=$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"><?=$amount?></td>
+                <td style="text-align: left"><?=$p->unit?></td>
+                <td style="text-align: right"><?=$price?> €</td>
+                <td style="padding-right: 4pt;"><?=$price_total?> €</td>
+            </tr>
 
-        <?php
-        $i++;
+            <?php
+            $i++;
         endforeach;
         ?>
         <tr style="font-weight: bold; background-color: #ebebeb; border-bottom: 1px solid black;border-top: 1px solid black">
@@ -153,7 +160,28 @@ $this->setReturnValue(['filename' => $invoice->invoice_number . ".pdf"]);
             <p style="font-weight: bold;"><?=$invoice->tax_text?></p>
         <?php endif; ?>
 
-        Zahlungsziel 14 Tage.
+        <table style="width: 100%; border-collapse: collapse;">
+            <tr>
+                <th style="width: 20%; text-align: left">Zahlungskondition:</th>
+                <td style="text-align: left;">Zahlbar sofort nach Erhalt der Rechnung ohne Abzug</td>
+                <td rowspan="3">
+                    <img alt="QR-Code" src="<?=$qrcode?>" style="text-align:right;height: 3cm;">
+                </td>
+            </tr><tr>
+                <th style="text-align: left; vertical-align: top;">Bankverbindung:</th>
+                <td style="text-align: left; vertical-align: top;">
+                    UniCredit Bank Austria AG<br />
+                    IBAN: AT85 1200 0100 3986 5885 &nbsp; BIC: BKAUATWWXXX
+                </td>
+            </tr><tr>
+                <td style="width: 20%; text-align: left; vertical-align: top; padding-top: 16px;"></td>
+                <td style="text-align: left; vertical-align: top; padding-top: 16px;">
+                    <strong>+43 664 128 10 43</strong><br />
+                    <strong>office@rml-infrastruktur.at</strong>
+                </td>
+            </tr>
+        </table>
+
 
     </div>
 
diff --git a/application/ADBWohneinheit/ADBWohneinheitModel.php b/application/ADBWohneinheit/ADBWohneinheitModel.php
index 82508c4e2..968b20bb9 100644
--- a/application/ADBWohneinheit/ADBWohneinheitModel.php
+++ b/application/ADBWohneinheit/ADBWohneinheitModel.php
@@ -13,6 +13,7 @@ class ADBWohneinheitModel {
   public $zusatz;
   public $bezeichner;
   public $nutzung;
+  public $enduser_setup_invoice_date;
   public $rimo_ex_state;
   public $rimo_op_state;
   public $patch_cluster;
diff --git a/application/Api/v1/AddressdbApicontroller.php b/application/Api/v1/AddressdbApicontroller.php
index ac934de98..156b4f1ee 100644
--- a/application/Api/v1/AddressdbApicontroller.php
+++ b/application/Api/v1/AddressdbApicontroller.php
@@ -941,7 +941,7 @@ class AddressdbApicontroller extends mfBaseApicontroller {
 
 
         //$paid = $unit->enduser_setup_paid;
-        if(PreorderBilling::getFirst(["adb_wohneinheit_id" => $unit->id, "product_id" => $enduser_setup_product_id, "invoice_id" => false])) {
+        if($unit->enduser_setup_invoice_date || PreorderBilling::getFirst(["adb_wohneinheit_id" => $unit->id, "product_id" => $enduser_setup_product_id, "invoice_id" => false])) {
             $prices_return["enduser_setup_price_net"] = 0;
             $prices_return["enduser_setup_price_gross"] = 0;
             $prices_return["enduser_setup_info"] = "paid";
diff --git a/application/PreorderBilling/PreorderBillingController.php b/application/PreorderBilling/PreorderBillingController.php
index d666e5fcc..b6bfb311a 100644
--- a/application/PreorderBilling/PreorderBillingController.php
+++ b/application/PreorderBilling/PreorderBillingController.php
@@ -47,13 +47,6 @@ class PreorderBillingController extends mfBaseController {
             $pagination['start'] = intval($this->request->s);
         }
 
-        /*$my_campaigns = [];
-        $my_networks = $this->me->myNetworks(["netowner", "salespartner"]);
-        foreach($my_networks as $network) {
-            foreach(PreordercampaignModel::search(['network_id' => $network->id]) as $campaign) {
-                if(!array_key_exists($campaign->id, $my_campaigns)) $my_campaigns[] = $campaign;
-            }
-        }*/
         $my_campaigns = PreordercampaignModel::search(["owner_id" => $this->me->address_id]);
         //var_dump($my_network_ids,$my_campaign_ids);exit;
         $this->layout()->set("my_campaigns", $my_campaigns);
@@ -275,6 +268,7 @@ class PreorderBillingController extends mfBaseController {
         $order_date = $options['order_date'];
         $today = $options['today'];
         $bill_date = $options['bill_date'];
+        $latest_bill_date = $options['latest_bill_date'];
         $earliest_bill_date = $options['earliest_bill_date'];
         $latest_quarter_bill_date = $options["latest_quarter_bill_date"];
 
@@ -329,6 +323,16 @@ class PreorderBillingController extends mfBaseController {
             $status_change_date = new DateTime("@".$preorder->create);
         }
 
+        if($status_change_date < $earliest_bill_date) {
+            $this->log->debug(__METHOD__.": Not billing setups for preorder ".$preorder->id." because status change date ".$status_change_date->format("Y-m-d")." is before earliest_bill_date ".$earliest_bill_date->format("Y-m-d"));
+            return true;
+        }
+
+        if($status_change_date->format("Ymd") > $latest_bill_date->format("Ymd")) {
+            $this->log->debug(__METHOD__.": Skipping setup for preorder ".$preorder->id." because billing date (status change date) ".$status_change_date->format("Y-m-d")." is after latest_bill_date ".$latest_bill_date->format("Y-m-d"));
+            return true;
+        }
+
         $billing_data = [
             "netowner_id" => $netowner->id,
             "preorder_id" => $preorder->id,
@@ -390,10 +394,11 @@ class PreorderBillingController extends mfBaseController {
                 $billing_data[$key] = $value;
             }
 
+            $address = $preorder->adb_hausnummer->strasse->name." ".$preorder->adb_hausnummer->hausnummer." ".($preorder->adb_hausnummer->stiege ? "/".$preorder->adb_hausnummer->stiege : "").", ".$preorder->adb_hausnummer->plz->plz." ".$preorder->adb_hausnummer->ortschaft->name;
             $billing_data["preorderbillingcustomer_id"] = $customer->id;
             $billing_data["fibu_account_number"] = $customer->fibu_account_number;
             $billing_data["product_name"] = "Herstellungsentgelt Glasfaser-Internetanschluss";
-            $billing_data["product_info"] = "Bestellung vom ".$order_date->format("d.m.Y");
+            $billing_data["product_info"] = $address;
 
         } elseif($type == "operator_setup") {
             $change_to_active = PreorderHistoryModel::getFirstStatusChangeTo($preorder->id, 500);
@@ -408,6 +413,11 @@ class PreorderBillingController extends mfBaseController {
                 return true;
             }
 
+            if($status_change_date->format("Ymd") > $latest_bill_date->format("Ymd")) {
+                $this->log->debug(__METHOD__.": Skipping setup for preorder ".$preorder->id." because billing date (status change date) ".$status_change_date->format("Y-m-d")." is after latest_bill_date ".$latest_bill_date->format("Y-m-d"));
+                return true;
+            }
+
             // Netzbetreiber Setup Gebühr
             $billing_data["product_name"] = "Brereitstellungsentgelt ".$status_change_date->format("m/Y");
             $billing_data["owner_id"] = $netoperator->id;
@@ -449,6 +459,7 @@ class PreorderBillingController extends mfBaseController {
         $order_date = $options['order_date'];
         $today = $options['today'];
         $bill_date = $options['bill_date'];
+        $latest_bill_date = $options['latest_bill_date'];
         $earliest_bill_date = $options['earliest_bill_date'];
         $latest_quarter_bill_date = $options["latest_quarter_bill_date"];
 
@@ -470,7 +481,7 @@ class PreorderBillingController extends mfBaseController {
 
         if($preorder->status->code >= 899) {
             $this->log->debug(__METHOD__.": Preorder ".$preorder->id." / ".$preorder->oaid." is cancelled");
-            // TODO is cancelled, so determine if refund is necessary
+            // TODO: is cancelled, so determine if refund is necessary
             return true;
         }
 
@@ -502,6 +513,11 @@ class PreorderBillingController extends mfBaseController {
             $earliest_bill_date = $status_change_date;
         }
 
+        if($status_change_date->format("Ymd") > $latest_bill_date->format("Ymd")) {
+            $this->log->debug(__METHOD__.": Skipping setup for preorder ".$preorder->id." because billing date (status change date) ".$status_change_date->format("Y-m-d")." is after latest_bill_date ".$latest_bill_date->format("Y-m-d"));
+            return true;
+        }
+
         $first_bill_date = clone $status_change_date;
 
 
diff --git a/application/PreorderBillingInvoice/PreorderBillingInvoice.php b/application/PreorderBillingInvoice/PreorderBillingInvoice.php
index 9df473fce..a712feea1 100644
--- a/application/PreorderBillingInvoice/PreorderBillingInvoice.php
+++ b/application/PreorderBillingInvoice/PreorderBillingInvoice.php
@@ -1,5 +1,9 @@
 <?php
 
+use chillerlan\QRCode\QRCode;
+use chillerlan\QRCode\QROptions;
+use chillerlan\QRCode\Output\QROutputInterface;
+
 class PreorderBillingInvoice extends mfBaseModel {
     protected $forcestr = ["company", "zip", "email", "phone"];
     private $positions;
@@ -34,6 +38,8 @@ class PreorderBillingInvoice extends mfBaseModel {
             $invoice_date = new DateTime("@1");
         }
 
+        $conf = TT_PREORDER_BILLING[$this->netowner_id];
+
         $filename = "";
         $positions = $this->getProperty("positions");
 
@@ -48,13 +54,14 @@ class PreorderBillingInvoice extends mfBaseModel {
         $pdf_vars = [
             "invoice" => $this,
             "vat" => $vat,
+            "qrcode" => $this->getSepaQRCode($this->netowner_id, $invoice_number, round($this->total_gross, 2)),
         ];
 
         $me = new User();
         $me->loadMe();
 
         // Replace placeholders in header
-        $headerHtml = file_get_contents(BASEDIR . "/Layout/default/PreorderBillingInvoice/PDF_HEADER.html");
+        $headerHtml = file_get_contents(BASEDIR . "/Layout/default/PreorderBillingInvoice/PDF_HEADER-".$this->netowner_id.".html");
         $headerHtml = str_replace("{{ basedir }}", BASEDIR, $headerHtml);
         $headerHtml = str_replace("{{ addressLine_1 }}", $this->company ? $this->company : "", $headerHtml);
         $headerHtml = str_replace("{{ addressLine_2 }}", $this->firstname . " " . $this->lastname, $headerHtml);
@@ -75,23 +82,59 @@ class PreorderBillingInvoice extends mfBaseModel {
 
 
         // Replace placeholders in header
-        $footerHtml = file_get_contents(BASEDIR . "/Layout/default/PreorderBillingInvoice/PDF_FOOTER.html");
-        $footerHtml = str_replace("{{ bank_iban }}", "AT85 1200 0100 3986 5885", $footerHtml);
-        $footerHtml = str_replace("{{ bank_bic }}", "", $footerHtml);
+        $footerHtml = file_get_contents(BASEDIR . "/Layout/default/PreorderBillingInvoice/PDF_FOOTER-".$this->netowner_id.".html");
+        $footerHtml = str_replace("{{ bank_iban }}", $conf["bank-account-iban"], $footerHtml);
+        $footerHtml = str_replace("{{ bank_bic }}", $conf["bank-account-bic"], $footerHtml);
 
         $footerFile = BASEDIR . "/var/temp/preorderbillinginvoice_footer-" . date("U") . "-" . rand(1000, 9999) . ".html";
         file_put_contents($footerFile, $footerHtml);
 
 
-        $pdf = new PdfForm("PreorderBillingInvoice/PDF_MAIN", $pdf_vars);
-        $wkhtmltopdfArgs = "--margin-top 10mm --header-spacing 90 --header-html '$headerFile' --footer-html '$footerFile'";
+        $pdf = new PdfForm("PreorderBillingInvoice/PDF_MAIN-".$this->netowner_id, $pdf_vars);
+        $wkhtmltopdfArgs = "--margin-top 2mm --header-spacing 90 --header-html '$headerFile' --footer-html '$footerFile'";
 
         $filename = $pdf->render($wkhtmltopdfArgs);
 
+        if($conf["invoice-pdf-bg-file"]) {
+            // run pdftk with $filename as input and $conf["invoice-pdf-bg-file"] as output
+            // to add background to pdf
+            $bg_file = $conf["invoice-pdf-bg-file"];
+            $temp_file_name = tempnam(TEMP_DIR, "invoice-pdftk").".pdf";
+            $pdftk_cmd = PDFTK_BIN_PATH." '$filename' background '$bg_file' output '$temp_file_name'";
+
+            $this->log->debug(__METHOD__." $pdftk_cmd");
+            shell_exec($pdftk_cmd);
+
+            $filename = $temp_file_name;
+        }
+
         return $filename;
 
     }
 
+    public function getSepaQRCode($netowner_id, $invoice_number, $amount) {
+        if(!$netowner_id) return "";
+        $conf = TT_PREORDER_BILLING[$netowner_id];
+        $IBAN = str_replace(" ", "", $conf["bank-account-iban"]);
+        $BIC = str_replace(" ", "", $conf["bank-account-bic"]);
+        $Owner = $conf["bank-account-owner"];
+
+        $epc = "BCD
+001
+1
+SCT
+$BIC
+$Owner
+$IBAN
+EUR$amount
+
+$invoice_number
+
+RML Infrastruktur GmbH";
+
+        return (new QRCode)->render($epc);
+    }
+
 
 
     public function getProperty($name) {
diff --git a/application/PreorderBillingInvoice/PreorderBillingInvoiceController.php b/application/PreorderBillingInvoice/PreorderBillingInvoiceController.php
index fa26ead89..8ef72310f 100644
--- a/application/PreorderBillingInvoice/PreorderBillingInvoiceController.php
+++ b/application/PreorderBillingInvoice/PreorderBillingInvoiceController.php
@@ -168,6 +168,20 @@ class PreorderBillingInvoiceController extends mfBaseController {
     protected function createAction() {
         $netowner_id = $this->me->address_id;
         $today = new DateTime();
+        $bill_month = clone $today;
+        $bill_month->modify("-1 month");
+
+        $fmt = new IntlDateFormatter(
+            MFLOCALE_TIME,
+            IntlDateFormatter::NONE,
+            IntlDateFormatter::NONE,
+            "Europe/Vienna",
+            IntlDateFormatter::GREGORIAN,
+            'MMMM'
+        );
+        $bill_month_year_text = $fmt->format($bill_month)." ".$bill_month->format("Y");
+        $bill_quarter = ceil($bill_month->format("n") / 3);
+
 
         $billing_row_count = 0;
         $positions_count = 0;
@@ -191,6 +205,8 @@ class PreorderBillingInvoiceController extends mfBaseController {
             }
             $campaign_name = $campaign->name;
             $campaign_name = preg_replace('/^RML Liezen\s+-\s+/', '', $campaign_name);
+            $cluster = array_shift($campaign->salesclusters);
+            $cluster_name = $cluster->extref;
 
             $bill_positions = [];
             $credit_positions = [];
@@ -397,8 +413,12 @@ class PreorderBillingInvoiceController extends mfBaseController {
                     unset($position->count);
 
 
-                    if($position->product_id != 2) {
-                        $invoice->head_text = "Entgelte für Netzgebiet $campaign_name";
+                    if($position->product_type != "enduser_setup") {
+                        if(array_key_exists($netoperator_id, TT_PREORDER_BILLING[$netowner_id]["netoperators"]) && TT_PREORDER_BILLING[$netowner_id]["netoperators"][$netoperator_id]["billing-period"] == "quarterly") {
+                            $invoice->head_text = "Abrechnung Q$bill_quarter ".$bill_month->format("Y")."\n$campaign_name\nPOP-Cluster: $cluster_name";
+                        } else {
+                            $invoice->head_text = "Abrechnung $bill_month_year_text\n$campaign_name\nPOP-Cluster: $cluster_name";
+                        }
                     }
 
                     $total_net += $position->price_total;
diff --git a/public/assets/pdf/rml-letter-background.pdf b/public/assets/pdf/rml-letter-background.pdf
new file mode 100644
index 000000000..51271ab15
Binary files /dev/null and b/public/assets/pdf/rml-letter-background.pdf differ