https://docs.google.com/forms/d/e/1FAIpQLSfsFGsePZk-E_SDHad_-IFTPXcZOqjDkSUfmeWbTsTX7ZNQaA/viewform?usp=sf_link
These deadlines are set in Tabroom for technical purposes. Always consult the invitation or tournament notices for official policies about deadlines and procedures.