(a) General. Retest inspection certificates shall be issued according to § 868.70 and instructions. The certificate shall show the results of the factor(s) retested and the original results not included in the retest service.

(b) Required statements on retest certificates. Each retest inspection certificate shall show the statements required by this section, § 868.71, and the instructions.

(1) Each retest inspection certificate shall clearly show the term “Retest” and a statement identifying the superseded original certificate. The superseded certificate shall be considered null and void as of the date of the retest certificate. When applicable, the certificate shall also show a statement as to which factor(s) result is based on the retest inspection service and that all other results are those of the original inspection service.

(2) If the superseded certificate is in the custody of the Service, the superseded certificate shall be marked “Void.” If the superseded certificate is not in the custody of the Service at the time the retest certificate is issued, a statement indicating that the superseded certificate has not been surrendered shall be shown on the retest certificate.