(1) Packaged articles:

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

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

Packagings shall conform to the packing group III performance level.

The packagings shall be designed and constructed so as to prevent movement of the articles and inadvertent operation during normal conditions of transport.

(2) Unpackaged articles:

Except for UN 3559, the articles may also be transported unpackaged in dedicated handling devices, vehicles or containers when moved to, from, or between where they are manufactured and an assembly plant including intermediate handling locations.

Additional requirement:
Any pressure receptacle shall be in accordance with the requirements of the competent authority for the substance(s) contained therein.