%ul.nav.nav-tabs
  %li= link_to('Description', admin_procedure_path(@procedure))
  %li= link_to('Champs', admin_procedure_types_de_champ_path(@procedure))
  %li.active= link_to('Pièces justificatives', admin_procedure_pieces_justificatives_path(@procedure))

#piece_justificative_form
  = render 'form'