What rule would a player violate for rerouting of an opponent?

[Raymond]

Originally Posted by MiamiWadeCounty

For instance, on a fast break, an offensive player tries to reroute a defensive player by using body contact, or a defensive player tries to reroute an offensive player by using body contact.

The problem with your question is the words "tries" and "re-route".

Tries means they weren't successful.

Re-routing could be done without actual contact. So we need specific, descriptive examples to work with here.