The trial court held an evidentiary hearing. If the defendant pleads guilty, an evidentiary hearing usually follows. Such attachment is necessary in order to comply with the evidentiary rule against hearsay. Infrared instruments are also known as "evidentiary breath testers" and generally produce court-admissible results. There will often be an evidentiary hearing. The North Carolina State Board of Elections held an evidentiary hearing in February 2019. The evidentiary hearing was held in June 2010. Considerations include existing condition, rarity, and evidentiary and market values. "It's an evidentiary nullity," he said. Video recorders document suspect activities for evidentiary use. For political and evidentiary reasons, it never took place. No evidentiary support is available for either statement. The evidentiary base is particularly sparse for Iraqi nuclear programs.