Graduate Personal Property Appraiser is the professional designation awarded by the NAA Education Institute to qualified property appraisers who meet the educational and experiential requirements of the Institute and who adhere to a strict code of ethics and standards of practice. In order to be designated with the GPPA, auctioneer-scholars are required to complete 35 classroom hours, a detailed written appraisal report and proof of at least two affidavits of appraisals. This designation also requires 24 hours of continuing education every three years including extensive training in USPAP (Uniform Standards of Professional Appraisal Practice.