4 Pa. Code § 611.3 – Probationary period following reassignment or transfer.

(a) Regular employees. An employee who has achieved regular status and who is appointed to a position through reassignment or transfer shall retain regular status.
(b) Probationary employees. The unexpired portion of the probationary period of an employee who never achieved regular status and who is appointed to a position through a reassignment or transfer shall continue to be served in the position, unless the employee accepted the appointment after being notified in writing that the appointing authority having jurisdiction over the position requires a full probationary period in the position as a condition of appointment.