Section 4105 - Revocation and renewal of certificates of approval(a) Hearing to review approved devices.--When the department has reason to believe that an approved device being sold commercially does not comply with the requirements of this part, it may, after giving 30 days' notice to the person holding the certificate of approval for the device, conduct a hearing upon the question of compliance of the approved device. After the hearing, the department shall determine whether the approved device meets the requirements of this part and shall notify the person holding the certificate of approval of the determination.(b) Devices determined to be in violation.--If the department determines as a result of the hearing that the device does not meet the requirements of this part, the person holding the certificate of approval shall have a period of 90 days to resubmit a request for approval. In the event the device is determined to be hazardous, the department may take immediate action through injunctive relief pursuant to section 4108 (relating to injunctive relief). If the person holding the certificate of approval fails to satisfy the department that the resubmitted device as thereafter to be sold meets the requirements of this part, the department shall revoke the approval issued unless the device is resubmitted to and retested by an authorized testing laboratory and is found to meet the requirements of this part. The department may require that all devices sold since the notification following the hearing be replaced with devices that do comply with the requirements of this part.(c) Expiration of certificate.--Certificates of approval issued for items of equipment required to be approved under this part will not expire except as provided by regulation or until revoked by the department.(d) Renewal of certificate.--Certificates of approval which expire pursuant to regulation shall be void after the period stated from the date of issue unless application is made for renewal of the certificates in accordance with the procedure established by the department, together with the applicable fee, and a new certificate of approval is issued.(e) Promulgation of regulations.--The department shall promulgate rules and regulations to effectuate the provisions of this section. 1976, June 17, P.L. 162, No. 81, § 1, effective 7/1/1977.