The Planning Board shall, within a reasonable time after receipt of the application, fix a date for hearing of same and shall give the applicant, by registered mail, notice of the time and place of said hearing. The applicant shall, at least 10 days prior to the date appointed for such hearing, serve another notice, either in person or by certified mail, return receipt requested, upon such persons as are shown by the assessment rolls of the Township of Pohatcong to be the owners of property within 200 feet of the property in question. The applicant shall, at the hearing, present proof, in affidavit form, of the service of said notices.