Without prejudice to Articles 11(3) and 19(2) of Regulation (EC) No 1907/2006, the Agency shall ensure that all registrants of the same substance are part of the same registration under that Regulation.

Where the Agency permits a potential registrant of a substance that has already been registered to refer to requested information in accordance with F1Article 27(6) of Regulation (EC) No 1907/2006, the Agency shall ensure that any subsequent submission of information by that potential registrant is part of the existing joint submission for that substance.

Where a potential registrant has complied with his obligations under F2Article 26 of Regulation (EC) No 1907/2006 and has ascertained that he is not required to share tests on vertebrate animals for the purposes of his registration, he may decide to invoke Articles 11(3) or 19(2) in order to submit separately all or part of the relevant information in Article 10(a) of that Regulation.

In such cases, the potential registrant shall inform any previous registrants of that substance of his decision. He shall also inform the Agency which shall ensure that this separate submission, made in accordance with Article 11(3) or 19(2) of Regulation (EC) No 1907/2006, remains part of the existing registration for that substance in accordance with paragraph 1.