The general provisions of 4.1.1, 4.1.2 and 4.1.3 shall be met.

Special packing provisions B5:
For UN Nos. 1791, 2014, 2984 and 3149, IBCs shall be provided with a device to allow venting during transport. The inlet to the venting device shall be sited in the vapour space of the IBC under maximum filling conditions during transport.