Unreported Courtesy Runner still an illegal player?

[IRISHMAFIA]

Originally Posted by rwest

Last year ASA modified the penalty for unreported subs. Looking over ASA's illegal player rule (4.6.E and 4.6.F) and the unreported substitute rule (4.6.C) I was wondering if ASA overlooked something.

Suppose S1, who has been in the game, comes into run for the catcher who is on 1B.

Then shame on you as the umpire for allowing such a thing to happen.

Is S1 an illegal player or an unreported substitute and which rule takes precedence?

An illegal courtesy runner is an illegal player. However, if they come into run for the catcher unreported they are also an unreported sub.

4.5.C