Notice of filing pursuant to § 9-4-8 shall be served by the petitioners upon the mayor or president of the Board of Trustees, as the case may be, together with a notice of the time and place when and where a hearing will be had upon such petition, at least ten days before the date of such hearing.
The hearing on the petition may be had by the court at a regular or special term or in vacation.
SDCL 9-4-9