"Probationary status" refers to a period of time when someone is being observed or tested to determine if they meet certain requirements or perform well enough to become a permanent member or obtain a certain status. Full definition
And, most crucially, with the current state of incarceration / probationary status of Paul Rivela. (sbnation.com)
I was kicked out of the clown program (can't serve in ministry without faith) and put in some sort of probationary status for six months when they would reconsider membership and clowning (balloon animals are fun!). (nakedpastor.com)
Failure to comply can result in probationary status or termination of the charter. (gacharters.org)