I had a 30-minute break. I think it used to be 15 minutes and that's how most practice tests are set up but when I went to Prometric, it allotted me 30 min. At the prometric I was at, there are different break rules for each test but for my OAT experience, I was able to sign out and access all my things in my locker, including my phone. I left to go to the parking lot even to get a snack. I think this applies across all OAT test takers.
