17.4.2 Preseason Practice -- On-Court Practice. An institution shall not commence on-court preseason basketball practice sessions before the date that is 42 days before the date of the institution's first regular-season contest. An institution shall not engage in more than 30 days of countable athletically related activities before its first regular-season contest. Any countable athletically related activities (e.g., conditioning, skill-related instruction) that occur within the 42-day period shall count against the 30 days of countable athletically related activities. (Revised: 4/28/05 effective 8/1/05, 1/14/08 effective 8/1/08, 4/29/10, 1/14/12 effective 8/1/12, 5/2/13 effective 8/1/13, 1/15/14, 1/18/18 effective 8/1/18)