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NESCAC Pre-read date

My D is rising senior lacrosse player communicating with a few NESCAC schools. I have a question about the July 1 pre-read date for NESCAC schools: do the schools tell athletes before July 1 that they want to submit pre-read on that date or, alternatively, do the schools tell the athletes on July 1 that they want to submit a pre-read? Any info appreciated, thanks.