1. Seal of testing organization: If the sample retention reinspection report is issued by the testing organization, it shall be stamped with the official seal or special seal of the testing organization. This means that the testing organization is responsible for the contents of the report and confirms its accuracy and reliability.
2. Seal of authorized signatory: If the sample retention reinspection report is issued by an individual, the report shall be signed or sealed by the authorized signatory. This means that the signatory is authorized to be responsible for the contents of the report and confirm its accuracy and reliability.
3. Sewing stamp: If the sample re-inspection report has multiple pages, in order to prevent the report from being tampered with or replaced, the first page and the last page of the report can be stamped with riding stamp. This means that the whole report is a complete whole and inseparable.
4. Date stamp: Stamping the date stamp on the sample re-examination report can ensure the timeliness of the report. This means that the report was released on a specific date and its contents and data are accurate.