Any person or persons, jointly or severally aggrieved by any decision of Board of Appeals, or any taxpayer or any officer, department, board or bureau, upon written authority of the county, may present to the Circuit Court of Wicomico County a petition, duly verified, setting forth that such decision is illegal, in whole or in part, specifying the grounds of the illegality. Such petition shall be presented to the Court within 30 days after filing of the decision in the office of the Board of Appeals.