Neb. Rev. Stat. § 86-805

(1) Any wireless carrier authorized to do business in this state or submitting to the jurisdiction of this state shall provide updated contact information to the Nebraska State Patrol on a semiannual basis or within three working days after a change in such information that would render previous contact information invalid or inefficient for use under the Kelsey Smith Act. (2) The Nebraska State Patrol shall collect and maintain a register of contact information for all such wireless carriers.