Nebraska Revised Statute 14-518
The powers granted in section 14-517 shall be conditioned upon the following: A petition for the creation of such district and the issuance of such bonds shall be filed with the city clerk of such city, signed by the owners of sixty percent of the real estate contained in any such special assessment sewer district. At the time of the filing of such petition the city clerk shall cause to be published in the official newspaper of said city for not less than three consecutive days the plan of assessment and amounts proposed to be assessed against each parcel of real estate in such proposed district. Any person signing such petition shall have the absolute right within ten days after the same shall have been filed with the city clerk to withdraw his name therefrom and in such event his name shall not be counted in computing the sixty percent.
Laws 1935, Spec. Sess., c. 4, § 2, p. 60;
C.S.Supp.,1941, § 14-560;
R.S.1943, § 14-518.