.row.white-back
  %a{ href: '/admin/procedures/new_from_existing', class: 'btn-sm btn-primary' }
    Créer une nouvelle procédure à partir d'une procédure existante

.row.white-back
  %h2
    = t('dynamics.admin.dossiers.tableau_de_bord.nouvelle_procedure')

  #procedure_new.section.section-label
    = form_for @procedure, url: { controller: 'admin/procedures', action: :create }, multipart: true do |f|
      = render partial: 'informations', locals: { f: f }
      = f.submit 'Valider', class: 'btn btn-info', id: 'save-procedure', style: 'float: right;'

.row.white-back
  %a{ href: new_from_existing_admin_procedures_path, class: 'btn-sm btn-primary' }
    Créer une nouvelle procédure à partir d'une procédure existante

.row.white-back
  %h2
    = t('dynamics.admin.dossiers.tableau_de_bord.nouvelle_procedure')

  #procedure_new.section.section-label
    = form_for @procedure, url: { controller: 'admin/procedures', action: :create }, multipart: true do |f|
      = render partial: 'informations', locals: { f: f }
      = f.submit 'Valider', class: 'btn btn-info', id: 'save-procedure', style: 'float: right;'

Use the path helper in the new procedure template
Use the path helper in the new procedure template