(a) Notice of a special election called pursuant to Section 21554 shall specify the purpose of the election and the day, hours, and polling places in each precinct for holding the election, and shall be posted in three public places in each election precinct in the district for at least 20 days and published in a newspaper published in the county once a week for at least three successive weeks.
(b) The election shall be held and the result determined and declared as nearly as practicable in conformity with general district elections.