\documentclass[twoside]{scrartcl}
\usepackage[frame]{xy}
\usepackage{tabularx}
\usepackage[latin1]{inputenc}
\setlength{\voffset}{0.4cm}
\setlength{\hoffset}{-2.0cm}
\setlength{\topmargin}{0cm}
\setlength{\headheight}{0.0cm}
\setlength{\headsep}{1cm}
\setlength{\topskip}{0pt}
\setlength{\oddsidemargin}{1.0cm}
\setlength{\evensidemargin}{1.0cm}
\setlength{\textwidth}{19.2cm}
\setlength{\textheight}{24.5cm}
\setlength{\footskip}{1cm}
\setlength{\parindent}{0pt}
\renewcommand{\baselinestretch}{1}
\begin{document}


\fontfamily{cmss}\fontsize{9pt}{9pt}\selectfont

\parbox[t]{12cm}{
  <?lsmb company ?>

  <?lsmb address ?>}
\hfill
\parbox[t]{6cm}{\hfill <?lsmb source ?>}

\vspace*{0.6cm}

<?lsmb text_amount ?> \dotfill <?lsmb decimal ?>/100 \makebox[0.5cm]{\hfill}

\vspace{0.5cm}

\hfill <?lsmb datepaid ?> \makebox[2cm]{\hfill} <?lsmb amount ?>

\vspace{0.5cm}

<?lsmb name ?>

<?lsmb address1 ?>

<?lsmb address2 ?>

<?lsmb city ?> <?lsmb state ?> <?lsmb zipcode ?>

<?lsmb country ?>

\vspace{1.8cm}

<?lsmb memo ?>

\vspace{0.8cm}

<?lsmb company ?>

\vspace{0.5cm}

<?lsmb name ?> \hfill <?lsmb datepaid ?> \hfill <?lsmb source ?>

\vspace{0.5cm}
\begin{tabularx}{\textwidth}{lXrr@{}}
\textbf{Invoice No.} & \textbf{Invoice Date}
  & \textbf{Due} & \textbf{Applied} \\
<?lsmb foreach invnumber ?>
<?lsmb invnumber ?> & <?lsmb invdate ?> \dotfill
  & <?lsmb due ?> & <?lsmb paid ?> \\
<?lsmb end invnumber ?>
\end{tabularx}

\vspace{1cm}

<?lsmb memo ?>

\vfill
<?lsmb message ?>
\end{document}