2. The Commission may, by decision, impose on undertakings fines not exceeding 1 % of the total turnover in the preceding business year where, intentionally or negligently, those undertakings supply incorrect, incomplete or misleading information in response to a request for information made pursuant to Article 76(4) or fail to supply information within the time-limit set in a decision adopted pursuant to Article 76(6), first subparagraph. When setting the amount of a fine, the Commission shall take into account the gravity of the undertaking’s failure to comply with the network codes and guidelines adopted pursuant to Articles 70 to 74 and the guidelines laid down in Annex I.