No 178/2002 and pursuant to Article 39(3 ) thereof , the Authority may also grant confidential treatment with respect to the following items of information , where the disclosure of such information is demonstrated by the applicant to potentially harm its interests to a significant degree : ( a ) the study plan for studies demonstrating the efficacy of a feed additive in terms of the aims of its intended use as defined in Article 6(1 ) of , and Annex I to , this Regulation