The expansion draft takes place right after the playoffs are over and before the entry draft.
The 30 NHL Clubs must submit their Protection List by 5:00 P.M. ET on Saturday, June 17, 2017. The Las Vegas team must submit their Expansion Draft Selections by 5:00 P.M. ET on June 20 and the announcement of their selections will be released on made [sic] on June 21.
Like previous drafts, teams need to meet rules for which players they may protect and which they may expose. There are two schemes the team can use to decide who to protect:
Protected Lists
* Clubs will have two options for players they wish to protect in the Expansion Draft:
a) Seven forwards, three defensemen and one goaltender
b) Eight skaters (forwards/defensemen) and one goaltender
* All players who have currently effective and continuing "No Movement" clauses at the time of the Expansion Draft (and who to decline to waive such clauses) must be protected (and will be counted toward their club's applicable protection limits).