They have looked over it and are asking to completely throw out those scores and retest using the Cogat for academic and mental and teacher rankings for creativity and motivation (the later two were not tested previously).
Are they asking you, or telling you? Because that makes a big difference. If you have any choice in the matter I would absolutely stick with the scores you already have.
If the CogAT must be given, then absolutely ask for an untimed test administered one-on-one.
FWIW DD did poorly on the CogAT in 1st grade before being medicated for ADHD, and scored a 99% the next year. She had the above accommodations both times.
