Which FAA Order can flight instructors use to learn the standardized procedures used by Designated Pilot Examiners when conducting practical tests?

Flight instructors can refer to FAA Order 8710.3, titled "General Aviation and Part 142 Pilot Examiner Handbook," to learn the standardized procedures used by Designated Pilot Examiners (DPEs) during practical tests. This order outlines the responsibilities, procedures, and standards DPEs must follow, providing valuable guidance for instructors preparing students for their practical examinations.