Any time an infraction is called, the Continuation Rule applies. Continuation Rule: Play stops when the thrower in possession acknowledges that an infraction has been called.
This belief may be based on the player's perspective on the particular sequence of events or based on a disagreement over the application of the rules, provided the player has read and understands the rules. For example, "No, I didn't slap your hand" or "Tipping the disc to someone else is not a travel."
the time of the throw,
Therefore, if a long pass is thrown and there is a contested receiving foul, the players will return to where they were at the time of the throw (rather than remaining downfield after chasing down the disc).