During the tournament, refer to the live doc for up-to-date information:
https://docs.google.com/document/d/1Cz7z6rTA_nJeyVjWjauN--TR-6Dv9InKas7wbYBgedY/edit?usp=sharing
These deadlines are set in Tabroom for technical purposes. Always consult the invitation or tournament notices for official policies about deadlines and procedures.