Del. Code tit. 9 § 508
Thereafter, the election shall be held at such time as may be fixed by the county government and shall be previously advertised by posting a notice, in 4 of the most public places within the community, at least 30 days prior thereto and by publishing a notice in a newspaper published within the county of such community and having a general circulation therein, once in each of 4 weeks preceding the week in which the election is held. Such notice shall state the time and place of the election, and further state that the purpose of the election is to determine whether a majority of the residents of the community and the real property owners are in favor of the issuance of bonds by the county government to cover the cost of the improvement or improvements contemplated. The notice shall also state the total amount of the proposed bond issue and a clear and concise description of each of the improvements contemplated together with the estimated cost of each improvement and the total cost of all improvements and shall include the costs of preliminary engineering and construction inspection as set forth elsewhere in this subchapter.
9 Del. C. § 508