If the department, upon inspection, investigation or complaint, finds a violation of this act or regulations promulgated by the department under this act or under Federal law, it shall give written notice specifying the violation to the PECC operator. The notice shall require the PECC operator to take action or to submit a plan of correction that shall bring the PECC into compliance with applicable law or regulation within a specified time. The plan of correction must be submitted within ten days of receipt of the written notice or sooner if directed to do so by the department. The department may ban admissions or revoke a license before a plan of correction is submitted if deficiencies pose a significant threat to the health or safety of the children.