\documentclass[usletter]{article}
\usepackage{textpos}
\usepackage[top=0.0in, bottom=0in, left=0in, right=0in]{geometry}
\setlength{\parindent}{0pt}
\setlength{\TPHorizModule}{1in}
\setlength{\TPVertModule}{1in}
<?lsmb BLOCK taxformpart ?>
\begin{textblock}{4}[0,1](1, 1.5)
<?lsmb company_name ?>\\
<?lsmb company_address ?>\\
Tel: <?lsmb company_telephone ?>
\end{textblock}

\begin{textblock}{2}[0,1](1, 3.5)
<?lsmb my_tax_code ?>
\end{textblock}

\begin{textblock}{2}[0,1](3, 3.5)
<?lsmb taxnumber ?>
\end{textblock}

\begin{textblock}{4}[0,1](1, 4)
<?lsmb legal_name ?>\\
<?lsmb IF street1 ?><?lsmb street1 ?>\\ <?lsmb END ?>
<?lsmb IF street2 ?><?lsmb street2 ?>\\ <?lsmb END ?>
<?lsmb IF street3 ?><?lsmb street3 ?>\\ <?lsmb END ?>
<?lsmb city ?>, <?lsmb state ?> <?lsmb mail_code ?>
\end{textblock}

\begin{textblock}{2}[0,1](4.5, 4.5)
<?lsmb total_sum ?>
\end{textblock}
<?lsmb END # Block taxformpart ?>
<?lsmb BLOCK taxform ?>
<?lsmb PROCESS taxformpart ?>
\clearpage
<?lsmb PROCESS taxformpart ?>
\clearpage
<?lsmb PROCESS taxformpart ?>
\clearpage
<?lsmb PROCESS taxformpart ?>
\clearpage
<?lsmb END #BLOCK taxform ?>
