\documentclass[french,12pt]{article}
\usepackage[T1]{fontenc}
\usepackage{a4}
\usepackage{times}
\usepackage{eurosym}
\usepackage{babel}
\usepackage{doublespace}
\usepackage{vmargin}
\usepackage{boxedminipage}
%%ENTETE%%

\setmarginsrb{1cm}{1cm}{1cm}{2cm}{0in}{0in}{0in}{0in}

\begin{document}
\singlespace

~
\vspace*{2.5cm}
~

\begin{flushright}
  \begin{bf}
  \begin{tabular}{p{8cm}}
    %%ADRESSE%% 
  \end{tabular}
  \end{bf}
\end{flushright}

\vspace*{2cm}

\begin{center}
\begin{tabular}{|c|}
  \hline
  \\
  \begin{large}
  {\bf ~~~~~~~FACTURE~~%%NO%%
    ~~~~}
  \end{large}
  \\
  
  \\
  \hline
\end{tabular}
\end{center}
\vspace*{0.5cm}

\vspace*{1cm}
\noindent
\begin{tabular}{p{6cm}l}
  {\bf Date d'émission :} %%DATEEMI%%&{\bf Échéance :} %%DATEECH%%\\
\end{tabular}
\\\\
{\bf Description}\\
\begin{boxedminipage}[t]{15cm}
%%DESCR%%
\end{boxedminipage}\\

\vspace*{1cm}
\noindent
\begin {tabular}{|r|r|}
  \hline
  {\bf Montant \euro HT}&{\bf Montant \euro TTC} \\ %&{\bf Réglé}&{\bf Dû}\\
  \hline
  %%LIGNES%%
  \hline
\end{tabular}

\begin{table}[b]
  \begin{center}
    \begin {tabular}{|c|c|c|c|cc|c|c|c|}
      \cline{1-4}
      \cline{7-8}
      Base HT&Mt TVA&\% TVA&{\bf Totaux}&&&{\bf \euro }&{\bf FF}\\
      \cline{1-4}
      \cline{7-8}
      \cline{1-4}
      \cline{7-8}
      %%HTE%%
      &%%MTTVA%%
      &%%TVA%%
      &
      \begin{tabular}{lr}
        HT&%%HTE%%\\
        TVA&%%MTTVA%%\\
      \end{tabular}
      &
      &
      \begin{tabular}{r}
        %{\bf Total TTC}\\
        %{\bf Réglé}\\
        {\bf Net à payer}\\
      \end{tabular}
      &
      \begin{tabular}{r}
        %%TTCE%%\\
        % %%REGLEE%%\\
        %{\bf %%DUE%%          }\\
      \end{tabular}
      &
      \begin{tabular}{r}
        %%TTCF%%\\
        % %%REGLEF%%\\
        % {\bf %%DUF%%          }\\
      \end{tabular}
      \\
      \cline{1-4}
      \cline{7-8}
      
    \end{tabular}
    
    \vspace*{1cm}
    
  \end{center}
\end{table}

~
\vfill
~

\end{document}