(CBS Detroit) — The University of Michigan has banned 375 students for violating its COVID-19 rules.

Students who did not take a required weekly coronavirus test can not access university buildings, according to officials.

READ MORE: Preorders For Ford Electric F-150 Lightning Tops 100,000

After multiple attempts to reach those students access cards were then deactivated.

READ MORE: State Lawmakers Look To Fight Pollution in Michigan Auto Lots and Junkyards

To gain access again students must get tested or submit a testing exemption letter.

MORE NEWS: Michigan Lawmakers Looks To Give More Time For Drivers To Renew Expired Drivers License and Vehicle Registrations

© 2021 CBS Broadcasting Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.