Neb. Rev. Stat. § 76-808

(1) Each co-owner may use the elements held in common in accordance with the purpose for which they are intended, without hindering or encroaching upon the lawful rights of the other co-owners. (2) The association of co-owners and board of administrators, or other administrative body governing the condominium, is responsible for maintenance, repair, and replacement of the common elements. Each co-owner of an apartment is responsible for maintenance, repair, and replacement of such co-owner's apartment.