That depends on the assessment of the capabilities of the disabled person by the coach and parents.
The referee.
A referee usually controls a football match
The head referee for the final match was Howard Webb(England).
William Gunn in the England vs. Australia match
Yes the referees can interfere in a match
Robin Hood
Another word for a sports referee is an umpire.
Amy Fearn was the first woman to referee a championship match.
The referee is the one who begins the match (linesmen don't count)
Yes
?
Because he is a referee and he can.