62That being so, it is sufficient for the Commission to show that the entire capital of a subsidiary is held by the parent company in order to conclude that the parent company exercises decisive influence over its commercial policy. The Commission will then be able to hold the parent company jointly and severally liable for payment of the fine imposed on the subsidiary, unless the parent company proves that the subsidiary does not, in essence, comply with the instructions which it issues and, as a consequence, acts autonomously on the market.