In cricket, a batter may retire from an innings at any time when the ball is dead; they must then be replaced by a teammate who has not been dismissed.
In all other cases the batter is considered retired - out and may not return to the innings, unless the opposing captain offers an exemption.
If a batting player becomes injured or falls ill (or some other exceptional circumstance forces them to leave the field), and they receive permission from the umpire, they may retire not out.
He retired and flew from Antigua to Barbados to visit the hospital where his daughter was being treated; she died two days later.
As a mark of respect, opposing Indian captain Kapil Dev granted an exemption for Greenidge, and he was recorded as "retired not out".
[9] In the 2022 Indian Premier League, R Ashwin retired out while playing for Rajasthan Royals against Lucknow Super Giants.