May be packed together with articles covered by the same UN number.

Shall not be packed together with goods of Class 1 having different UN numbers, except

(a) With their own means of initiation, provided that the means of initiation will not function under normal conditions of carriage; or

(b) With articles of compatibility groups C, D and E; or

(c) If provided for by special provision MP 24.

Shall not be packed together with goods of other classes or with goods which are not subject to the requirements of ADR.

When goods are packed together in accordance with this special provision, account shall be taken of a possible amendment of the classification of packages in accordance with 2.2.1.1. For the description of the goods in the transport document, see 5.4.1.2.1 (b).