2020-January 21 @ 23:59 CST. As per the CPU Bylaws, registration must close 42 days before the first day of the competition.
After registration closes; however, tentative schedule can be found here.
Athletes who are qualified to compete have:
1) Obtained a qualifying total within their age class and event category within the last two years
2) Competed at regionals within two years of their first nationals
3) Athletes must compete at nationals at minimum every two years in order to avoid having to qualify
4) Met their respective provincial requirements as outlined by each home province.
The CPU will exempt master lifters who would be attending their first CPU Nationals in 2020 from the CPU regional requirement provided that they have at least completed in more than two previous powerlifting competitions