The tie is delicately poised after a goalless draw at Carrow Road with the winner heading to Wembley.
Premier League referees will make on-field VAR announcements next season that will be broadcast over stadium public address systems, under new plans by Craig Pawson to make the process more transparent to match-going fans.
Wolves have warned that the Premier League could be “irrevocably damaged” if clubs do not ditch VAR, urging rivals to listen to their fans.