Prior to July 1, the COVID policies stated that if someone is to present a negative PCR test, it must be dated no earlier than July 27. Didn't give much time to get one before con, but at least you knew for certain when the cutoff date was.
With the updated policy on July 1, it now says "no more than 3 days prior to picking up your badge", which leaves things less clear to me. So someone who won't be in until Friday has 1 less day with which to get a PCR test than someone who is able to come in on Thursday? I'm guessing these are going to be like the 18+ wristbands and are designed to