"A person aggrieved by a decision of the Administrative Hearing Officer who was a party to the proceedings may appeal to the Board of Appeals within 30 days after the date upon which the memorandum was filed, except that a person who meets the threshold standing requirements under federal law has standing to appeal a decision of the Administrative Hearing Officer granting or denying a critical area variance for development in the buffer to the Board of Appeals. On the filing of an appeal, the Administrative Hearing Officer shall promptly transmit the application, sign-in sheet, exhibits, and the memorandum to the office of the Board of Appeals and notify those persons who were provided with copies of the memorandum of the date of transmittal. § 18-16- 402."