Neb. Rev. Stat. § 52-1404

If the lender responds with a letter of commitment, the supplier may not obtain a lien for the amount stated in the letter of commitment. If the lender responds with a written refusal to issue a letter of commitment, the rights of the lender and the supplier are not affected by sections 52-1401 to 52-1411 , and any prior perfected lien of the lender under the Uniform Commercial Code shall retain its established priority.