Originally Posted by
RJtrashPilot
Checking out has nothing to do with it. You need to do it before your 20 minute release window after block in. It's after 20 minutes that you are released, regardless of whether or not you check out.
Yes, CKO in SBS is purely an administrative thing. It updates your currency in landings, and it notifies you of upcoming assignments. You are released to rest 20 mins after block in.
Oh, and if you ever want to have some fun, type CKL in SBS and see whose name pops up.