3. Whenever the codes 1A2, 1B2, 1N2, 1H2, 3A2, 3B2 or 3H2 are indicated for drums or jerricans permitted as outer packagings of combination packagings in the packing instructions of Chapter 4.1, insert the codes 1A1, 1B1, 1N1, 1H1, 3A1, 3B1 or 3H1 as appropriate and delete the words &quot; removable head &quot; if relevant (applies to packing instructions P001, P002, P010, P110(a), P111, P112(a), P112(b), P112(c), P113, P114(a), P114(b), P115, P116, P130, P131, P134, P135, P136, P137, P138, P139, P140, P141, P142, P143, P144, P400, P403, P404, P410, P501, P502, P503, P504, P520, P600, P601, P602, P800, P802 and P804).
3. Remplacer les codes 1A2, 1B2, 1N2, 1H2, 3A2, 3B2 ou 3H2 figurant dans les instructions d &apos; emballage du chapitre 4.1 pour les fûts ou les bidons (jerricanes) autorisés comme emballages extérieurs d &apos; emballages combinés, par les codes 1A1, 1B1, 1N1, 1H1, 3A1, 3B1 ou 3H1 et supprimer le cas échéant les mots &lt; &lt; dessus amovible &gt; &gt; (cela s &apos; applique aux instructions d &apos; emballage P001, P002, P010, P110(a), P111, P112(a), P112(b), P112(c), P113, P114(a), P114(b), P115, P116, P130, P131, P134, P135, P136, P137, P138, P139, P140, P141, P142, P143, P144, P400, P403, P404, P410, P501, P502, P503, P504, P520, P600, P601, P602, P800, P802 et P804).