Neb. Rev. Stat. § 29-1927: Neb. Rev. Stat. § 29-1927

No evidence offered by a defendant for the purpose of establishing an alibi to an offense shall be admitted in the trial of the case unless notice of intention to rely upon an alibi is given to the county attorney and filed with the court at least thirty days before trial, except that such notice shall be waived by the presiding judge if necessary in the interests of justice.