Appeals to the Board may be taken by any party when there is a denial of the request for a permit by the Maryland Aviation Administration. An appeal shall be filed within 30 days of a decision by the Administration. Requests to the Board for a specific variance from noise zone or airport zoning district regulations shall be filed within 30 days of the decision by the Administration. The Chairman may extend the time limits set forth in §§A and B, of this regulation. The extension shall be at the discretion of the Chairman and only for good cause. A party requesting an extension shall file with the Board a written request setting forth the reason for the requested extension. This request shall be filed with the Board within the time period set forth in §A or B, of this regulation. Form of Appeal. Appeals shall be filed in writing with the Board and shall contain the following information: A caption setting forth the: Parties, Name of the Board, Docket number; The basis for the appeal; and The relief sought. Request for Variance. A request for variance shall be filed in writing with the Board and shall contain the following information: A caption setting forth the: Parties, Name of the Board, Docket number; The basis for the request for variance; and The relief sought.