80It was after it had amended that report on its own initiative, without taking the precaution of asking the applicant what possible impact its unilateral action might have on the reliability of the information which the applicant had provided, that the Commission concluded that there had been an apparent breach of the undertaking by the applicant. The data contained in the October 1997 report, amended in that way, evidently cannot therefore be considered the best information, within the meaning of the provisions referred to in paragraph 77 above, available to the Commission at the time on which to base its conclusion as to whether the applicant had complied with its undertaking.