Sport Pilot Certified Flight Instructors - There are over thirteen separate logbook endorsements that must be specifically and EXACTLY worded when signing off logbooks for students or sport pilots for taking the written & practical tests, category, type and set endorsements, additional privileges, solo endorsement, biennial reviews etc.
These pressure sensitive endorsement stockers can be used for Flight Reviews and Instrument Proficiency Checks, and comply with FAR 61.56 and FAR 61.57 on PIC recent flight experience and flight reviews