The general provisions of 4.1.1 and 4.1.3 shall be met.

Inner packagings of plastics, paper or fibre shall be sift-proof.

Outer packagings of flexible plastics (51H) shall only be used with flexible inner packagings.

The volume of the large packaging may not exceed 3 m³.

Special packing provision L4:
For UN Nos. 1932, 2008, 2009, 2545, 2546, 2881 and 3189 flexible or fibre inner packagings shall be hermetically sealed.