If the report shows the petition to be sufficient the petition shall be published as provided in Section 6066 of the Government Code in a newspaper of general circulation in the county in which the proposed district is located together with a notice setting forth the day, hour and place at which the petition will be heard by the board of supervisors and stating that at the designated time and place all persons interested may appear and be heard. The notice shall also state that any interested person, including any owner of taxable real property within the proposed district, may file with the clerk of the body conducting the hearing at any time prior to the time fixed for the hearing a written protest or objection to the formation of the district. The names of only three signers of the petition need be published. The time fixed for the hearing shall not be less than 30 nor more than 60 days after the first publication of the petition and notice of hearing.