The Zoning Board of Appeals shall fix a reasonable time for the hearing, cause notice thereof to be published in accordance with Chapter
135 of this Code not less than seven days prior thereto, and cause notice to be given to the appellant or applicant and the administrative officer(s) appealed from by regular mail or by personal service not less than five days prior to the date of hearing. In every case involving a variance, notice shall also be mailed not less than five days prior to the hearing to the fee owners of record of all land within 100 feet of any part of the subject building or premises involved in the appeal.
Any person or persons aggrieved by any decision of the Zoning
Board of Appeals may present to a court of record a petition, duly
verified, setting forth that such decision is illegal and specifying
the grounds of the illegality. Such petition shall be presented to
the court within 30 days after the filing of the decision in the office
of the Zoning Board of Appeals.