Aloha Gerald,

Perhaps the org-export-latex-classes variable is mis-configured.   
IIUC, the [EXTRA] macro needs to be present:

> If you need more control about the sequence in which the header is  
> built
> up, or if you want to exclude one of these building blocks for a  
> particular
> class, you can use the following macro-like placeholders.
>
>  [DEFAULT-PACKAGES]      \usepackage statements for default packages
>  [NO-DEFAULT-PACKAGES]   do not include any of the default packages
>  [PACKAGES]              \usepackage statements for packages
>  [NO-PACKAGES]           do not include the packages
>  [EXTRA]                 the stuff from #+LaTeX_HEADER
>  [NO-EXTRA]              do not include #+LaTeX_HEADER stuff
>  [BEAMER-HEADER-EXTRA]   the beamer extra headers

HTH,
Tom

On Oct 20, 2010, at 10:16 AM, gerald.jean@dgag.ca wrote:

>
> Hello,
>
> I am new to org-mode, not to Emacs and LaTeX though.  I am trying to  
> export
> an org document to LaTeX.  It does export but not with the options I  
> want.
> For example, trying to add just one package I have the following at  
> the end
> of my org file, I tried to put it at the begining also but it didn't  
> work
> neither?  Any way I tried to include packages didn't work, I also  
> tried
> with "#+SETUPFILE: /home/jeg002/org/2010/setupLaTeX.org", no luck?
>
> #+TITLE: MODÉLISATION du TAUX de SOUMISSION en MARKETING DIRECT.
> #+AUTHOR:    Gérald Jean
> #+EMAIL:     gerald.jean@dgag.ca
> #+LANGUAGE:  "fr"
> #+TEXT:      Le fichier "Org" pour le projet 33539.
> #+OPTIONS:   H:3 num:t toc:t \n:nil @:t ::t |:t ^:t -:t f:t *:t TeX:t
> LaTeX:t skip:t d:nil tags:not-in-toc
> #+latex_header: \usepackage[english, francais]{babel}
>
> thanks for any help,
>
> Gérald Jean
> Conseiller senior en statistiques,
> VP Actuariat et Solutions d'assurances,
> Desjardins Groupe d'Assurances Générales
> télephone            : (418) 835-4900 poste (7639)
> télecopieur          : (418) 835-6657
> courrier électronique: gerald.jean@dgag.ca
>
> "We believe in God, others must bring Data."
>
> W. Edwards Deming
>
>
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