Du meinst wohl IBAN / BIC im Fuss der Rechnung -> ist nicht im Standard enthalten.
-> suche im Moduleverzeichnis die invoicepdfoxorder.php
-> dort die Methode pdfFooter() - ca. ab Zeile 103
ändere
/* column 1 - company name, shop owner info, shop address */
$oPdf->setFont( $oPdfBlock->getFont(), '', 7 );
$oPdf->text( 15, 275, strip_tags( $oShop->oxshops__oxcompany->getRawValue() ) );
$oPdf->text( 15, 278, strip_tags( $oShop->oxshops__oxfname->getRawValue() ).' '. strip_tags( $oShop->oxshops__oxlname->getRawValue() ) );
$oPdf->text( 15, 281, strip_tags( $oShop->oxshops__oxstreet->getRawValue() ) );
$oPdf->text( 15, 284, strip_tags( $oShop->oxshops__oxzip->value ).' '. strip_tags( $oShop->oxshops__oxcity->getRawValue() ) );
$oPdf->text( 15, 287, strip_tags( $oShop->oxshops__oxcountry->getRawValue() ) );
/* column 2 - phone, fax, url, email address */
$oPdf->text( 85, 275, $this->translate( 'ORDER_OVERVIEW_PDF_PHONE' ).strip_tags( $oShop->oxshops__oxtelefon->value ) );
$oPdf->text( 85, 278, $this->translate( 'ORDER_OVERVIEW_PDF_FAX' ).strip_tags( $oShop->oxshops__oxtelefax->value ) );
$oPdf->text( 85, 281, strip_tags( $oShop->oxshops__oxurl->value ) );
$oPdf->text( 85, 284, strip_tags( $oShop->oxshops__oxorderemail->value ) );
/* column 3 - bank information */
$oPdf->text( 150, 275, strip_tags( $oShop->oxshops__oxbankname->getRawValue() ) );
$oPdf->text( 150, 278, $this->translate( 'ORDER_OVERVIEW_PDF_ACCOUNTNR' ).strip_tags( $oShop->oxshops__oxbanknumber->value ) );
$oPdf->text( 150, 281, $this->translate( 'ORDER_OVERVIEW_PDF_BANKCODE' ).strip_tags( $oShop->oxshops__oxbankcode->value ) );
$oPdf->text( 150, 284, strip_tags( $oShop->oxshops__oxvatnumber->value ) );
$oPdf->text( 150, 287, '' );
in
/* column 1 - company name, shop owner info, shop address */
$oPdf->setFont( $oPdfBlock->getFont(), '', 7 );
$oPdf->text( 15, 275, strip_tags( $oShop->oxshops__oxcompany->getRawValue() ) );
$oPdf->text( 15, 278, strip_tags( $oShop->oxshops__oxfname->getRawValue() ).' '. strip_tags( $oShop->oxshops__oxlname->getRawValue() ) );
$oPdf->text( 15, 281, strip_tags( $oShop->oxshops__oxstreet->getRawValue() ) );
$oPdf->text( 15, 284, strip_tags( $oShop->oxshops__oxzip->value ).' '. strip_tags( $oShop->oxshops__oxcity->getRawValue() ) );
$oPdf->text( 15, 287, strip_tags( $oShop->oxshops__oxcountry->getRawValue() ) );
/* column 2 - phone, fax, url, email address */
$oPdf->text( 85, 275, $this->translate( 'ORDER_OVERVIEW_PDF_PHONE' ).strip_tags( $oShop->oxshops__oxtelefon->value ) );
$oPdf->text( 85, 278, $this->translate( 'ORDER_OVERVIEW_PDF_FAX' ).strip_tags( $oShop->oxshops__oxtelefax->value ) );
$oPdf->text( 85, 281, strip_tags( $oShop->oxshops__oxurl->value ) );
$oPdf->text( 85, 284, strip_tags( $oShop->oxshops__oxorderemail->value ) );
$oPdf->text( 85, 287, strip_tags( $oShop->oxshops__oxvatnumber->value ) );
/* column 3 - bank information */
$oPdf->text( 150, 275, strip_tags( $oShop->oxshops__oxbankname->getRawValue() ) );
$oPdf->text( 150, 278, $this->translate( 'ORDER_OVERVIEW_PDF_ACCOUNTNR' ).strip_tags( $oShop->oxshops__oxbanknumber->value ) );
$oPdf->text( 150, 281, $this->translate( 'ORDER_OVERVIEW_PDF_BANKCODE' ).strip_tags( $oShop->oxshops__oxbankcode->value ) );
$oPdf->text( 150, 284, $this->translate( 'ORDER_OVERVIEW_PDF_IBAN' ).strip_tags( $oShop->oxshops__oxibannumber->value ) );
$oPdf->text( 150, 287, $this->translate( 'ORDER_OVERVIEW_PDF_BIC' ).strip_tags( $oShop->oxshops__oxbiccode->value ) );
(Steuer-id in Spalte 2 verschoben und in Spalte 3 IBAN / BIC ergänzt)