Men’s Division 1 Important Dates 2023-2024 October 31 - Deadline to have Fall eligibility form submitted November 1 - Deadline for payment of ACHA Dues and to submit an application for entrance into M1 for 2024/2025 season January 31 - Deadline to have Spring eligibility form submitted February 15 - Final day that a M1 player can be added to the roster TBD - Final Day for Rankings TBD - Final Nationals Rankings released March 7th-12th - Nationals in Saint Louis, Missouri