Neb. Rev. Stat. §§ 75-315
Permits and certificates shall be effective from the dates specified in the permits and certificates and shall remain in effect until terminated as provided in this section and section 75-316. A permit or certificate may, upon application of the permit or certificate holder, in the discretion of the commission, be revoked or may, upon complaint or on the commission's own initiative, after notice and hearing, be suspended, changed, or revoked, in whole or in part, for willful failure to comply with any of the provisions of sections 75-101 to 75-801, with any lawful order, rule, or regulation of the commission promulgated under such sections, or with any term, condition, or limitation of the permit or certificate. The commission may, after notice and a hearing, suspend or revoke the permit or certificate of a motor carrier who refuses or subjects to any undue or unreasonable delay any pickup, delivery, or connecting line service, to any shipper, consignee, carrier, or any other person or persons, at any point authorized to be served by such carrier, notwithstanding any hot cargo agreement or other agreement between such motor carrier and a labor organization or any other organization or person.
Neb. Rev. Stat. §§ 75-315