Neb. Rev. Stat. § 71-644: Neb. Rev. Stat. § 71-644

A certificate or report that is amended under sections 71-635 to 71-644 shall indicate that it has been amended as provided by rules and regulations of the department. A record shall be maintained which identifies the evidence upon which the amendment was based, the date of the amendment, and the identity of the person making the amendment.