Neb. Rev. Stat. § 68-1924: Neb. Rev. Stat. § 68-1924

If the department determines that a nursing facility or skilled nursing facility has underpaid or overpaid the quality assurance assessment, the department shall notify the nursing facility or skilled nursing facility of the unpaid quality assurance assessment or refund due. Such payment or refund shall be due or refunded within thirty days after the issuance of the notice.