We know that the NHL will allow teams like the New York Islanders to sign unsigned draft picks like Ilya Sorokin to current year contracts for the 2019-20 season.
Sorokin can sign his one-year ELC for 2019-20, burn it, and then sign for more money in 2020-21. The NHL indicated while Sorokin could sign a contract for 2019-20 he wouldn't be able to actually play for Islanders teams this year.
What wasn't quite clear was if Sorokin could participate in Phase 3 (training camp) or join his team for Phase 4 (hub cities) of the NHL's Return to Play Plan.