(46)To enhance the transparency of cross-border operations, it is important that the registers of the Member States involved contain the necessary information from other registers about the companies involved in those operations in order to be able to track the history of those companies. In particular, the file in the register in which the company was registered prior to the cross-border operation should contain the new registration number attributed to that company after the cross-border operation. Similarly, the file in the register in which the company is registered after the cross-border operation should contain the initial registration number attributed to the company prior to the cross-border operation.