Within 30 days of receiving a resolution adopted pursuant to Section 23203 or of determining that a petition filed pursuant to Section 23205 has been signed by the required number of signatures, the board of supervisors shall adopt a resolution which shall:
(a)
Set a time, date, and place of hearing on the proposal which shall be not less than 30 days nor more than 60 days from the date of adoption of the resolution setting the hearing.
(b)
State that any person may appear and be heard at the hearing. Any person desiring to protest against the proposal may file a written protest with the board of supervisors. Any written protest by a resident-voter shall contain the address of the voter. Any written protest by a property owner shall contain a description sufficient to identify the property owned.