LaTex signature template (useful for contracts between companies)

signatureTemplate.tex

\documentclass[a4paper,twoside,11pt]{article}
\usepackage{delarray}
\usepackage{fancyhdr}
\usepackage[cp1250]{inputenc}
\usepackage[T1]{fontenc}

\pagestyle{fancyplain} \fancyfoot[LE,RO]{\thepage} \cfoot{}
\renewcommand{\headrulewidth}{0pt}
\headheight=14pt


\pagestyle{plain} \textwidth=12.8cm \textheight=19.7cm
\parindent=1cm

\oddsidemargin=1cm \evensidemargin=1cm \setcounter{page}{1}
\newcommand\sig[3]{
	\vbox{
		\hsize=5.5cm
    		\hbox to \hsize{\strut\hfil #1,  \hfil}
		\hbox to \hsize{\strut\hfil #2 \hfil}
		\hbox to \hsize{\strut\hfil #3 \hfil}
   		\kern1cm\hrule\kern1ex
		
  	}
}
\newcommand\signatures[6]{%
\hbox to \hsize{\quad\sig{#1}{#2}{#3}\hfil\hfil\sig{#4}{#5}{#6}\quad}
}

\begin{document}
\begin{center}\signatures{Company 1}{Name 1}{Function 1}{Company 2}{Name 2}{Function 2}\end{center}
\end{document}