The following combination packagings are authorized provided the general provisions of 4.1.1 and 4.1.3 are met:

Drums (1A1, 1A2, 1B1, 1B2, 1N1, 1N2, 1H1, 1H2, 1D, 1G);
Boxes (4A, 4B, 4N, 4C1, 4C2, 4D, 4F, 4G, 4H1, 4H2);
Jerricans (3A1, 3A2, 3B1, 3B2, 3H1, 3H2).

Packagings shall conform to the performance level consistent with the packing group assigned to the kit as a whole (see 3.3.1, special provision 251). Where the kit contains only dangerous goods to which no packing group is assigned, packagings shall meet Packing Group II performance level.

Maximum quantity of dangerous goods per outer packaging: 10 kg excluding the mass of any carbon dioxide, solid (dry ice) used as a refrigerant.

If dry ice is used as a coolant, the requirements of 5.5.3 shall apply.

Additional requirement:
Dangerous goods in kits shall be packed in inner packagings which shall be protected from other materials in the kit.