Neb. Rev. Stat. § 59-1726

In selling, leasing, or offering to sell or lease a seller-assisted marketing plan in this state, sellers of such plans shall not: (1) Use the phrase buy-back or secured investment or similar phrase orally or in writing when soliciting, offering, leasing, or selling a seller-assisted marketing plan if the security is the value of the equipment, supplies, products, or services supplied by the seller to the purchaser; or (2) Use the phrase buy-back or secured investment or similar phrase orally or in writing when soliciting, offering, leasing, or selling a seller-assisted marketing plan unless there are no restrictions or qualifications whatsoever preventing or limiting a purchaser from being able to invoke the buy-back or secured portion of the seller-assisted marketing plan contract at any time the purchaser desires during the one-year period following the contract date.