Nebraska Revised Statute 21-516
21-516.
Associated member.
(a) Only a member of a series limited liability company may be an associated member of a protected series of the company.
(b) A member of a series limited liability company becomes an associated member of a protected series of the company if the operating agreement or a procedure established by the agreement states:
(1) that the member is an associated member of the protected series;
(2) the date on which the member became an associated member; and
(3) any protected-series transferable interest the associated member has in connection with becoming or being an associated member.
(c) If a person that is an associated member of a protected series of a series limited liability company is dissociated from the company, the person ceases to be an associated member of the protected series.