A child, or staff person, including a volunteer, having contact with children, who has been absent from school by reason of having had or because of residing on premises where there has been a disease for which isolation is required, may not be readmitted to school without the permission of the LMRO.
28 Pa. Code § 27.74
This section cited in 28 Pa. Code § 27.76 (relating to exclusion and readmission of children, and staff having contact with children, in child care group settings).