\documentclass[twoside]{scrartcl}
\usepackage{eurosym}
\usepackage{tabularx}
\usepackage{ifthen}
\usepackage[utf8]{inputenc}
\begin{document}

\setlength{\parindent}{0cm}

\pagestyle{empty}

\newlength{\descrwidth}\setlength{\descrwidth}{10cm}

\fontfamily{cmss}\fontshape{n}\selectfont

\fontfamily{cmss}\fontsize{10pt}{12pt}\selectfont

\vspace*{1.5cm}

\begin{minipage}{8cm}
  <%name%>

  <%street%>

  <%zipcode%> <%city%>

  <%country%>
\end{minipage}
\hfill
\begin{minipage}{6cm}
  \rightline{\LARGE\textbf{\textit{Lieferschein}}} \vspace*{0.2cm}
  \rightline{\large\textbf{\textit{Nr. <%donumber%>% \vspace*{0.2cm}
  }}}

  Lieferscheindatum:\hfill <%dodate%>

  Kunden-Nr:\hfill <%customernumber%>

  Telefon:\hfill <%phone%>

  Telefax:\hfill <%fax%>

  Ansprechpartner:\hfill <%employee%>
\end{minipage}

\vspace*{0.5cm}

\begin{tabular*}{\textwidth}{@{}lp{\descrwidth}@{\extracolsep\fill}rl@{}}
  \textbf{Nummer} & \textbf{Artikel} & \textbf{Anz} & \textbf{Einh}  \\

<%foreach number%>
  <%number%> & <%description%> & <%qty%> & <%unit%>   \\
    & <%serialnumber%>  & & \\
<%end number%>
\end{tabular*}

\vspace{1cm}
<%if deliverydate%>
        Die Auslieferung/Fertigstellung erfolgte am : <%deliverydate%>
<%end if%>
<%if notes%>
  <%notes%>
<%end if%>

\end{document}

