New rule of origin: 71.13-71.18 ?A change to heading 71.13 through 71.18 from any heading outside that group. ###>Nouvelle rÃ¨gle d'origine : 71.13-71.18 ?Un changement aux positions 71.13 Ã 71.18 de toute position Ã l'extÃ©rieur de ce groupe.