How can I speed up the Check-In process? At the secretariat, during the Check-In process, you must provide your tax number (NIF) to speed up your registration. admin69272024-07-05T08:37:28+00:00April 4, 2024|Congress| Share This Story, Choose Your Platform! FacebookXRedditLinkedInWhatsAppTumblrPinterestVkXingEmail About the Author: admin6927