The Department for transport (DfT) has signed Multilateral Agreement M345, which concerns the transport of UN 2672 ammonia solution in IBCs with a vapour pressure of more than 110 kPa (1.1 bar) at 50 °C or 130 kPa (1.3 bar) at 50 °C.

UNECE Multilateral Agreements are available at

A copy of MLA M345 is attached.

Due to a counter-signature by Ireland, this agreement can be used domestically.

It is valid until 31 January 2027 unless otherwise revoked.

17 February 2022