When a batsman who is retired hurt leaves the field due to injury or illness, he is out of the game until a teammate replaces him in the batting order. The batter can re-enter to continue their innings at a later time if they recover, as long as they have not yet been dismissed. https://preniumdirectory.com/listings13775581/how-batting-teams-use-fielding-restrictions-to-build-different-scoring-plans