See remarks 1) and 2) on the table in 2.4.2.3.2.3:

1) Azodicarbonamide formulations which fulfil the criteria of 2.4.2.3.3.2 (b). The control and emergency temperatures shall be determined by the procedure given in 7.1.5.3 to 7.1.5.3.1.3.

2) "EXPLOSIVE" subsidiary hazard label (Model No 1, see 5.2.2.2.2) required.