Was this handled correctly?

Originally Posted by BryanV21

That lays out the correct procedure in order to call a foul, but it does not say that a whistle must be blown before a foul is called.

When the manual uses words/phrases like "imperative", "definite procedure", and "should be performed in the order listed" that sounds pretty definite to me.

Originally Posted by BryanV21

There are many instances where an official does not do things by the book, but that doesn't mean their call is incorrect or nullified.

This isn't one of those instances.