Notice of hearing. Notice of any hearing before the Board of Appeals shall be published by the Village Clerk in the official paper at least five days prior to the date of said hearing. Notice of the hearing shall also be mailed by the Board to any parties having jurisdiction over such appeal, at least five days before such hearing, and shall give any other notice required by law. The applicant shall mail, by certified mail, at least 10 days before such hearing, notice of the hearing to all abutting property owners and to all owners of the property situated directly across a street from the property affected by such appeal, and any other property owners as the Village Clerk or Chairman of the Board of Appeals may determine. Proof of such mailing, in a form acceptable to the Village Clerk, shall be submitted to the Board by the applicant prior to the hearing. The applicant shall be responsible for the cost of publication and mailing of such notice. Such notice shall include a plain-language description of the proposed construction and the variance requested. Further, the applicant shall post a sign, which should be located so that it is visible from the nearest public street, on the property referenced in such application at least 10 days but not more than 20 days prior to the Board of Appeals' scheduled hearing on the matter, and for a period of time determined by the Board of Appeals. Such signs shall be issued by the Building Department upon payment by the applicant of an amount to be set forth by resolution by the Village Board of Trustees.