Nebraska constitution
Article III: legislative
Section 19

The surviving spouse of any retired public officer, agent, or servant, who has retired under a pension plan or system, shall be considered as having pensionable status and shall be entitled to the same benefits which may, at any time, be provided for or available to spouses of other public officers, agents, or servants who have retired under such pension plan or system at a later date, and such benefits shall not be prohibited by the restrictions of this section or of Article XIII, section 3 of the Constitution of Nebraska.