Neb. Rev. Stat. § 60-4,118.07

An applicant for a Class O or Class M license that fails three successive tests of his or her ability to drive and maneuver a motor vehicle safely as provided in subdivision (3)(b) of section 60-4,114 may be issued an LPD-learner's permit. The applicant shall not be eligible to reapply for the Class O or Class M license and retake such test until he or she presents proof of successful completion of a department-approved driver training school or until he or she has held an LPD-learner's permit for at least ninety days.