How Does ICC’s Concussion Substitute Rule Work?

2. When Can a Team Use a Concussion Substitute?

Here’s what the ICC specifies about the conditions under which a team can ask for a concussion replacement:

1.2.7 If a player sustains a concussion or suspected concussion as a result of a head or neck injury during the course of the relevant match, a Concussion Replacement may be permitted in the following circumstances:

1.2.7.1 The head or neck injury must have been sustained during play and within the playing area.

1.2.7.2 A concussion or suspected concussion must have been formally diagnosed by the Team Medical Representative.

1.2.7.3 The Team Medical Representative or Team Manager shall submit a Concussion Replacement Request to the ICC Match Referee on a standard form.

1.2.8 The ICC Match Referee should ordinarily approve a Concussion Replacement Request if the replacement is a like-for-like player whose inclusion will not excessively advantage his team for the remainder of the match.

1.2.8.1 In assessing whether the nominated…