In order for a player to be assigned to the minors, they need to clear through waivers unless:
-they are exempt (see below), or
-they previously cleared waivers and have not played in 10 or more cumulative NHL Games since and 30 days have not passed
When a player is put on waivers, all other teams have the opportunity to claim them.
*Reduced to 3 years the first year 11+ NHL Games Played
**Reduced to 4 years the first year 11+ NHL Games Played
*** Exempt for remainder of season
Once a player 20+ plays 1 NHL Game, that is considered the first year