Material change-A substantial reduction in wages or in the number of hours or days ordinarily worked by the claimant employed in part-time work.
Return to work-Resumption of employment with an employer from whom the claimant had been separated, at the level of employment that existed immediately prior to the separation.
Separation from employment-A termination of the employment relationship, a suspension of active employment, or a reduction in the number of hours worked by the claimant.
34 Pa. Code § 63.31
This section cited in 34 Pa. Code § 63.23 (relating to unacceptable reasons).