Article 34: Duty to communicate information on substances and  mixtures up the supply chain

Any actor in the supply chain of a substance or a ►M3  mixture ◄ shall communicate the following information to the next actor or distributor up the supply chain:

(a) new information on hazardous properties, regardless of the uses concerned;
(b) any other information that might call into question the appropriateness of the risk management measures identified in a safety data sheet supplied to him, which shall be communicated only for identified uses.
Distributors shall pass on that information to the next actor or distributor up the supply chain.