I don't believe so. If you are interested in playing soccer, contact the coach. Depending on the sport, there may be a pre-indoc meet and greet and you may be able to drop off your equipment a day early.
"The athletic program offers 27 varsity team and intramural sports. These teams have been successful at levels ranging from NCAA Division III National Champions to Conference Champions."
Back in old days of 1980s I did not have to register for DIII lax. DS was looked at by a DII and told he had to register with the NCAA eligibility center. Current NCAA website only references DI and II having to pay and register with Eligibilty registration. Nice job getting into KP and good luck!