Yup. Page 37.....

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"A player listed on the final list [of 23] may be replaced in the event of serious injury up until 24 hours before the kick-off of his team's first match. The replacement players do not need to be limited to the release list [ie the other players in the original list of 30]."

Posted By: Tricky Hawes, Jun 5, 15:49:44