diff --git a/inst/templates/basic/after_body.tex b/inst/templates/basic/after_body.tex
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/inst/templates/basic/before_body.tex b/inst/templates/basic/before_body.tex
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/inst/templates/basic/in_header.tex b/inst/templates/basic/in_header.tex
new file mode 100644
index 0000000000000000000000000000000000000000..420c91cc284b45a0eed4b46b19c84ebdca6b7b42
--- /dev/null
+++ b/inst/templates/basic/in_header.tex
@@ -0,0 +1,52 @@
+% Basic report template
+
+\usepackage[utf8]{inputenc}
+
+% Page margin definitions
+\usepackage[left=2cm,right=2cm,top=2cm,bottom=2cm]{geometry}
+
+% Citations renderer
+\usepackage[style=authoryear,]{biblatex}
+% Keep lower case in biblatex French
+% https://tex.stackexchange.com/questions/438423/keep-lowercase-in-biblatex
+\iflanguage{french}{\DefineBibliographyExtras{french}{\restorecommand\mkbibnamefamily}}
+
+% Quotations
+% @see https://fr.sharelatex.com/learn/Typesetting_quotations
+% @usage the environment displayquote prints a display quotation and the command \textquote an in-line quotation
+\usepackage{csquotes}
+
+% Table format
+% https://bookdown.org/yihui/bookdown/tables.html#cb48
+% https://bookdown.org/yihui/bookdown/yaml-options.html#cb112
+\usepackage{booktabs}
+\usepackage{longtable}
+
+% Extra space for numbered titles in table of contents
+% http://tex.stackexchange.com/a/13691/124910
+% \usepackage{tocstyle} % tocstyle is deprecated see https://ctan.org/pkg/tocstyle
+\usepackage{tocbasic}
+
+\usepackage{textcomp} % Unicode degree symbol °
+
+% Ecrire les siècles
+\iflanguage{french}{\def\siecle#1{\textsc{\romannumeral #1}\textsuperscript{e}~siècle}}
+
+% Supprime les liens moches et permet le retour à la ligne du ToC
+\PassOptionsToPackage{hyphens}{url}\usepackage[hidelinks,breaklinks]{hyperref}
+
+%How to create fixed width table columns with text raggedright/centered/raggedleft?
+% @see https://tex.stackexchange.com/a/12712
+% @example \begin{tabular}{| c | L{3cm} | C{3cm} | R{3cm} |}
+\newcolumntype{L}[1]{>{\raggedright\let\newline\\\arraybackslash\hspace{0pt}}m{#1}}
+\newcolumntype{C}[1]{>{\centering\let\newline\\\arraybackslash\hspace{0pt}}m{#1}}
+\newcolumntype{R}[1]{>{\raggedleft\let\newline\\\arraybackslash\hspace{0pt}}m{#1}}
+
+% Avoir la possibilité de ne pas avoir de césure sur un bloc de texte (pour le titre en page de garde) http://tex.stackexchange.com/a/5003
+% @example \nohyphens{(text block)}
+\usepackage{hyphenat}
+
+% pour fixer l'emplacement des figures
+% \begin{figure}[H]
+% Voir http://tex.stackexchange.com/a/8633
+\usepackage{float}
diff --git a/inst/templates/inrae/in_header.tex b/inst/templates/inrae/in_header.tex
index 688f8bbf346e194b1065df3ab581dac3875618aa..c9e2ef698d8948535a3bcaeffb62a2b83710692a 100644
--- a/inst/templates/inrae/in_header.tex
+++ b/inst/templates/inrae/in_header.tex
@@ -5,10 +5,9 @@
 \newcommand{\insertthirdlogo}{}
 \newcommand{\insertfourthlogo}{}
 
+\input{../../templates/basic/in_header}
 \input{../../templates/inrae/preambule_inrae.tex}
 
-%\usepackage[french]{babel}
-
 \newcommand{\service}{UMR G-EAU}
 \newcommand{\site}{
     UMR G-EAU
diff --git a/inst/templates/inrae/preambule_inrae.tex b/inst/templates/inrae/preambule_inrae.tex
index 93f21f08a7b5cd491f5cb46fbc70b843178f652d..1ec31785e798a54ee1ca6a529e20c555fe270734 100644
--- a/inst/templates/inrae/preambule_inrae.tex
+++ b/inst/templates/inrae/preambule_inrae.tex
@@ -5,82 +5,7 @@
 % @date Avril 2017
 %*******************************************************************************
 
-% Citations renderer
-\usepackage[style=authoryear,]{biblatex}
-% Keep lower case in biblatex French
-% https://tex.stackexchange.com/questions/438423/keep-lowercase-in-biblatex
-%\DefineBibliographyExtras{french}{\restorecommand\mkbibnamefamily}
 
-% Beau tableau
-\usepackage{booktabs}
-
-\usepackage{tikz}
-
-% Quotations
-% @see https://fr.sharelatex.com/learn/Typesetting_quotations
-% @usage the environment displayquote prints a display quotation and the command \textquote an in-line quotation
-\usepackage{csquotes}
-% displayquote in italic
-\renewcommand{\mkbegdispquote}[2]{\itshape}
-
-% Gestion de la bibliographie avec biblatex
-% \input{rapport/preambule_biblatex}
-
-
-% Extra space for numbered titles in table of contents
-% http://tex.stackexchange.com/a/13691/124910
-% \usepackage{tocstyle} % tocstyle is deprecated see https://ctan.org/pkg/tocstyle
-\usepackage{tocbasic}
-% In case of `no room for new \write` issue
-% \usepackage{scrwfile}
-
-% Ajout de la gestion des couleurs
-% The \usepackage is obvious, but the initialization of additional commands like usenames allows you to use names of the default colors, the same 16 base colors as used in HTML. The dvipsnames allows you access to more colors, another 64, and svgnames allows access to about 150 colors. The initialization of "table" allows colors to be added to tables by placing the color command just before the table. https://en.wikibooks.org/wiki/LaTeX/Colors
-% @see http://mirrors.ircam.fr/pub/CTAN/macros/latex/contrib/xcolor/xcolor.pdf
-% \usepackage[usenames,dvipsnames,svgnames,table]{xcolor}
-
-\usepackage{textcomp} % Unicode degree symbol °
-
-% Ecrire les siècles
-\def\siecle#1{\textsc{\romannumeral #1}\textsuperscript{e}~siècle}
-
-% Supprime les liens moches et permet le retour à la ligne du ToC
-\PassOptionsToPackage{hyphens}{url}\usepackage[hidelinks,breaklinks]{hyperref}
-
-% Définition des marges
-\usepackage[left=2cm,right=2cm,top=2cm,bottom=2cm]{geometry}
-
-% Table's definition
-% http://www.xm1math.net/doculatex/tableaux.html
-\usepackage{array,multirow,makecell}
-
-%How to create fixed width table columns with text raggedright/centered/raggedleft?
-% @see https://tex.stackexchange.com/a/12712
-% @example \begin{tabular}{| c | L{3cm} | C{3cm} | R{3cm} |}
-\newcolumntype{L}[1]{>{\raggedright\let\newline\\\arraybackslash\hspace{0pt}}m{#1}}
-\newcolumntype{C}[1]{>{\centering\let\newline\\\arraybackslash\hspace{0pt}}m{#1}}
-\newcolumntype{R}[1]{>{\raggedleft\let\newline\\\arraybackslash\hspace{0pt}}m{#1}}
-
-% Avoir la possibilité de ne pas avoir de césure sur un bloc de texte (pour le titre en page de garde) http://tex.stackexchange.com/a/5003
-% @example \nohyphens{(text block)}
-\usepackage{hyphenat}
-
-% pour fixer l'emplacement des figures
-% \begin{figure}[H]
-% Voir http://tex.stackexchange.com/a/8633
-\usepackage{float}
-
-%subfigures http://tex.stackexchange.com/a/37597
-\usepackage{subcaption}
-
-% Liens colorés http://tex.stackexchange.com/a/12408
-\usepackage{url}
-\hypersetup{
-    colorlinks,
-    linkcolor={blue!50!black},
-    citecolor={blue!50!black},
-    urlcolor={blue!80!black}
-}
 
 % Forcer les figures à apparaître dans la section en cours
 % http://tex.stackexchange.com/a/32605
@@ -121,8 +46,6 @@
 % \input{rapport/headfoot_content}
 % }
 
-\usepackage[utf8]{inputenc}
-
 % Définition de la police du document http://stackoverflow.com/q/877597
 \usepackage{times}
 \renewcommand{\familydefault}{\sfdefault}
@@ -130,6 +53,7 @@
 \urlstyle{same} %http://tex.stackexchange.com/questions/261434/changing-url-font
 
 % Première de couverture
+\usepackage{tikz}
 \usepackage{titling}
 \makeatletter
 \def\maketitle{%
@@ -158,6 +82,8 @@
 \definecolor{titreColor}{HTML}{008C8E}  % inraeDark
 \definecolor{linkColor}{HTML}{423089}  % inraeBlue
 
+% Liens colorés http://tex.stackexchange.com/a/12408
+\usepackage{url}
 \hypersetup{
     colorlinks,
     linkcolor={linkColor},
@@ -202,9 +128,6 @@
 \usepackage{enumitem}
 \setlist[itemize]{label=\raisebox{0.25ex}{$\bullet$}}
 
-% Acronymes
-\usepackage[printonlyused,withpage]{acronym}
-
 % List of figures and tables as sections in a report https://texblog.org/2014/03/25/table-of-contents-list-of-figures-and-tables-as-sections-in-a-report/
 \makeatletter
 \renewcommand\listoftables{%
@@ -216,3 +139,7 @@
     \@starttoc{lof}%
 }
 \makeatother
+
+% Acronymes
+\usepackage[printonlyused,withpage]{acronym}
+
diff --git a/inst/templates/umr_geau/in_header.tex b/inst/templates/umr_geau/in_header.tex
index 900866aa7905d47dc1212907eca70f4c4a539175..9a9b52458575b0d9d3af266d1ac3172c7a6bda05 100644
--- a/inst/templates/umr_geau/in_header.tex
+++ b/inst/templates/umr_geau/in_header.tex
@@ -22,6 +22,7 @@
 \url{www.inrae.fr}
 }
 
+\input{../../templates/basic/in_header}
 \input{../../templates/inrae/preambule_inrae.tex}
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%