The following packagings are authorized provided that the general provisions of 4.1.1 and 4.1.3 and the special packing provisions of 4.1.9.1.2, 4.1.9.1.4 and 4.1.9.1.7 are met:

Packagings consisting of:
(a) Metal or plastics primary receptacle(s); in
(b) Leakproof rigid secondary packaging(s); in
(c) A rigid outer packaging:
Drums (1A2, 1B2, 1N2, 1H2, 1D, 1G);
Boxes (4A, 4B, 4C1, 4C2, 4D, 4F, 4G, 4H1, 4H2);
Jerricans (3A2, 3B2, 3H2).

Additional requirements:
1 Primary inner receptacles shall be packed in secondary packagings in a way that, under normal conditions of transport, they cannot break, be punctured or leak their contents into the secondary packaging. Secondary packagings shall be secured in outer packagings with suitable cushioning material to prevent movement. If multiple primary receptacles are placed in a single secondary packaging, they shall be either individually wrapped or separated so as to prevent contact between them.
2 The contents shall comply with the provisions of 2.7.2.4.5.2.
3 The provisions of 6.4.4 shall be met.
4 In the case of fissile-excepted material, limits specified in 2.7.2.3.5 shall be met.