This Athletic article (paywall) is good at explaining what still needs to be ironed out.
https://www.nytimes.com/athletic/582...rs-eligiblity/
Key things that we don't know yet like:
When can a CHL player transfer to NCAA?
Will the CHL education packages transfer to the NCAA?
What will the CBA say about the rights of players who were drafted in the CHL but elect to go to college?
Are players who sign NHL contracts allowed to play in the NCAA?