Nebraska Revised Statute 54-648
Denial of refund, reimbursement of fees, or replacement; conditions.
No refund or reimbursement of fees or replacement of a pet animal under section 54-647 shall be required if one or more of the following conditions exist:
(1) The serious health problem or death of the pet animal resulted from maltreatment, neglect, or injury occurring after delivery of the pet animal to the purchaser;
(2) Any written disclosure statements provided by a seller pursuant to subsection (2) of section 54-646 disclosed the serious health problem for which the purchaser is seeking a remedy; or
(3) The purchaser failed to follow through with preventative care, including, but not limited to, vaccinations, deworming treatment, or medication, recommended by a licensed veterinarian examining the pet animal.