Division 1 All necessary measures must be taken to ensure that:

consignments of animal by-products and derived products are identifiable and kept separate and identifiable during collection where the animal by-products originate and during transportation;

a marking substance for the identification of animal by-products or derived products of a specific category is only used for the category for which its use is required under this Regulation, or is established or laid down pursuant to point 4;

F1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .