This does not trump a player's responsibility to make reasonable efforts to avoid contact and to not commit a blocking foul. If you commit a blocking foul, the fact that you jumped to the spot instead of running does not negate the foul.
This rule was changed from the previous rulebook version
This rule was added from the previous rulebook version
This rule has updates in the next rulebook version
19.E
Observers will have a whistle to make active calls effectively.