%Dokumenttyp bestimmen
 \documentclass[paper=a4,fontsize=12pt,twoside=false,$$KOMA_language$$]{scrlttr2}

 %Packages einbinden
 \usepackage[left=2cm, top=2cm, bottom=2cm, outer=2cm]{geometry}
 \usepackage[$$KOMA_language$$]{babel}
 \usepackage[latin1]{inputenc}
 \usepackage{textcomp} %Eurosymbol
 \usepackage{graphicx}
 \usepackage{longtable}
 \usepackage{multirow}
 \usepackage{textfit}
 \usepackage{setspace}
 \usepackage{wallpaper}
 \usepackage[scaled=.90]{helvet}
 \renewcommand{\familydefault}{\sfdefault}
 \input ean8

 %Verschiebung der Fußzeile
 \makeatletter
 \@addtoplength{firstfootvpos}{-1cm}
 \makeatother

 %Dokumentabschnitt beginnt
 \begin{document}
 $$background_1$$
 %Variablen der Rechnungsvorlage die als Package eingebunden wurde
 \setkomavar{subject}{$$Subject$$}
 \setkomavar{invoice}{$$BillID$$}
 \setkomavar{customer}{$$CustomerID$$}
 \setkomavar{date}{$$billDate$$}
 \setkomavar*{myref}{Transaktionsnummer}
 \setkomavar{myref}{$$ods_extern_ref$$}
 \setkomavar{signature}{}
 \setkomavar{fromname}{$$SellerNameSmall$$}
 \setkomavar{fromaddress}{$$SellerAddressSmall$$}
 \setkomavar{fromphone}{$$SellerPhone$$}
 \setkomavar{fromfax}{$$SellerFax$$}
 \firsthead{\null
 %\includegraphics[width=4cm]{logo}
 \EAN $$packIDtoEAN$$
 %\parbox[t][\headheight][t]{6.5cm}{
 %\raggedright
 %\textbf{$$SellerName$$}\\[\baselineskip]
 %$$SellerStreet$$\\
 %$$SellerZipCodeAndCity$$\\[\baselineskip]
 %$$SellerWebsiteURI$$\\
 %}
 }
 \firstfoot{
 \renewcommand{\baselinestretch}{0.6}
 \parbox[t]{\textwidth}{\footnotesize
 \begin{tabular}[t]{l@{}}
 \tiny{$$SellerName$$}\\
 \tiny{$$SellerStreet$$}\\
 \tiny{$$SellerZipCodeAndCity$$}\\
 \tiny{UmSt. Id. Nr.: $$SellerSalesTaxID$$}
 \end{tabular}
 \hfill
 \begin{tabular}[t]{l@{}}
 \tiny{Tel: $$SellerPhone$$}\\
 \tiny{Fax: $$SellerFax$$}\\
 \tiny{$$SellerEmail$$}\\
 \tiny{Web: $$SellerWebsiteURI$$}\\
 \end{tabular}
 \hfill
 \begin{tabular}[t]{l@{}}
 \tiny{$$SellerCommercialRegister$$}\\
 \tiny{BLZ: $$SellerBankRoutingNumber1$$}\\
 \tiny{Konto: $$SellerBankAccountNumber1$$}\\
 \tiny{IBAN: $$SellerBankIBAN1$$}\\
 \tiny{BIC: $$SellerBankBIC1$$}
 \end{tabular}
 }
 }\begin{letter}{$$BuyerCompanySlash$$$$BuyerNameSlash$$$$BuyerStreet$$\\[0.5ex]$$BuyerZipCodeAndCity$$\\$$BuyerCountry$$\\$$kdn_uid$$\\}
 \opening{$$opening$$}
 \begin{longtable}{|p{1.8cm}|r|p{4.5cm}|r|r|r|}
 \hline
 §10128§ & §00135§ & §10137§ & §10125§ & §10126§ & §10127§ \\
 \hline
 \endfirsthead
 \hline
 §10128§ & §00135§ & §10137§ & §10125§ & §10126§ & §10127§ \\
 \hline
 \endhead
 \hline
 $$table_total_price_netto$$
 $$table_mwst$$
 $$table_total_price$$
 \endlastfoot
 \hline
 $$table$$
 \end{longtable}
 \noindent $$comment$$ \\
 $$zahlungs_bedingungen$$\\
 \textbf{$$kunden_notiz$$}
 \closing{$$closing$$}

 \end{letter}
 \end{document}